Yacht, IMO 1011472

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The current position of AIR is at North East Atlantic Ocean reported 1 min ago by AIS. The vessel is en route to IEGGA , sailing at a speed of 12.6 knots and expected to arrive there on Jun 19, 14:00 . The vessel AIR (IMO 1011472, MMSI 248879000) is a Yacht built in 2011 (13 years old) and currently sailing under the flag of Malta .

AIR photo

Position & Voyage Data

Predicted ETA-
Distance / Time-
Course / Speed 
Current draught3.5 m
Navigation Status Under way
Position received
IMO / MMSI1011472 / 248879000
Callsign9HA4843
FlagMalta
Length / Beam81 / 12 m

Map position & Weather

Recent port calls, vessel particulars.

IMO number1011472
Vessel NameAIR
Ship typeYacht
FlagMalta
Homeport
Gross Tonnage1893
Summer Deadweight (t)-
Length Overall (m)81
Beam (m)12
Draught (m)
Year of Build2011
Builder
Place of Build
Yard
TEU-
Crude Oil (bbl)-
Gas (m3)-
Grain-
Bale-
Classification Society
Registered Owner
Owner Address
Owner Website-
Owner Email-
Manager
Manager Address
Manager Website-
Manager Email-

AIR current position and history of port calls are received by AIS. Technical specifications, tonnages and management details are derived from VesselFinder database. The data is for informational purposes only and VesselFinder is not responsible for the accuracy and reliability of AIR data.

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Yacht classification definitions

The merchant shipping sector is ruled by safety regulations developed since the beginning of the 20th century, and is familiar with international conventions such as SOLAS, MARPOL and Load Lines. But the application of common safety requirements to pleasure vessels is something relatively new – a continuous work in progress – and is very much dependant on the service and the flag of the yacht.

Defining the problems

Definitions do not help. How often have we read of large yachts, superyachts, megayachts, gigayachts or other bombastic adjectives? How many times have we mentioned MCA, RINA, and Lloyd’s, without having a clear idea of who’s doing what?

A good starting point for understanding the subject is to clarify the main definitions and the roles of the main players:

Large yacht

A large yacht is a pleasure vessel with a load line length equal to or over 24m. Almost all the flag administrations have adopted safety codes dedicated to large yachts and this is, therefore, the only definition having a universal meaning in the international regulatory framework of yachts.

Commercial yacht

A motor or sailing vessel in commercial use (i.e. charter) for sport and pleasure, carrying no cargo and not more than 12 passengers.

Private yacht

A pleasure vessel solely used for the recreational and leisure purpose of its owner and his guests.

Flag administration

The government of the state whose flag the yacht is entitled to fly . This administration sets the safety regulations, manning requirements and fiscal aspects relevant to the yacht registration.

Different flag administrations can inspect the safety aspects of yachts with their own inspectors (see MCA for example) or delegate this activity partially or totally to other recognised bodies such as the classification societies.

The main flag authorities in the yachting industry are: The UK-MCA, Cayman Islands, Isle of Man, Malta, the Marshall Islands, Italy and Luxembourg.

Classification societies

Organisations that establish and apply technical standards in relation to the design, construction and survey of ships.

Classification rules are developed to assess the structural strength and integrity of the essential parts of the hull, the reliability and function of the propulsion, steering systems, power generation and all the other features installed on board which contribute to guarantee the main essential services.

In addition to this ‘third party check’ function, class societies carry out statutory duties on behalf of the major flag administrations in accordance with specific delegation agreements signed with each government.

The main class societies involved in yachting are: American Bureau of Shipping, Bureau Veritas, Det Norske Veritas, Germanischer Lloyd, Lloyd’s Register, and RINA.

Large yachts: Applicable rules and certificates

Private yachts

The mandatory requirements for these boats are very light. For the majority of flag states, a registration survey and a tonnage measurement, carried out by an authorised surveyor, are sufficient.

The only mandatory international conventions are those relevant to the marine environment: MARPOL and the Anti-Fouling System Convention.

The International Convention for the Prevention of Pollution from Ships (MARPOL) is intended to eliminate the intentional pollution and to minimise the accidental pollution of the marine environment caused by harmful substances.

The Anti-Fouling System Convention’s purpose is to eliminate the presence of harmful substances for the marine environment contained in anti-fouling paints applied to ships.

Classification

While classification is not mandatory, building and maintaining a private yacht in class is the only evidence that the boat has been designed, constructed and operated in compliance with appropriate technical standards. It is therefore highly desirable, especially in relation to insurance and re-sale purposes.

Commercial yachts

All flag administrations require commercial yachts to be certified in accordance with a specific large yacht safety code.

The most popular of these safety codes, and the first that was developed, is the MCA Large Commercial Yacht Code (LY2) published in 2004. It replaced the Code of Practice for the Safety of Large Commercial Sailing and Motor Vessels (LY1) published in 1997.

LY2 is applied by the Red Ensign Group Flags (UK, Cayman Islands, Isle of Man, Bermuda, Gibraltar, British Virgin Islands, etc.) and is recognised as a reference standard for all the yachting industry.

Other flags have developed similar codes. Luxembourg, Italy, Marshall Islands, Malta, Belize and The Netherlands are some examples.

While introducing a stricter set of rules and regulations compared to private yachts, commercial registration offers yacht owners the possibility of making a profit from the chartering activity of their boats, and allows them to take advantage of all the other benefits of a commercial operation (in particular VAT exemption on the purchase, sale, bunkering, provisions, dry-docking, and others).

Mandatory certificates

The number and type of the mandatory certificates depends on the size of the vessel; the following is an indicative list:

  • International Tonnage Certificate : A measurement of the internal volumes of the yacht expressed in gross tons (GT). This measurement should not be confused with displacement tonnage, which quantifies the weight of a vessel.
  • Large Yacht Code Certificate : Covers life-saving appliances, fire protection and means of escape, navigational and signalling equipment, intact and damaged stability, manning and crew accommodation.
  • Class Certificate : This mainly deals with the yacht’s hull, machinery, electrical equipment and outfitting.
  • International Load Line Certificate : This certifies the weather-tightness of the yacht.
  • Safety Radio Certificate : This is applicable if gross tonnage exceeds 300GT This concerns the radio communication and distress installations.
  • MARPOL Annex I Certificate : This is applicable if gross tonnage exceeds 400GT This deals with the disposal of oil and bilge water from machinery spaces.
  • MARPOL Annex IV Certificate : This is applicable if gross tonnage exceeds 400 or the yacht is certified to carry over 15 persons. This deals with the disposal of sewage from ships.
  • MARPOL Annex V : This is applicable to all ships. It covers the disposal of rubbish.
  • MARPOL Annex VI : This is applicable if gross tonnage exceeds 400GT as well as to all main and auxiliary engines with a power exceeding 130kW. It concerns the emissions from main and auxiliary engines (NOx and SOx).
  • Safety Construction and Safety Equipment : These are additional prescriptions on machinery, electrical parts, life-saving and navigational equipment for yachts with a gross tonnage above 500GT.
  • International Safety Management Certificate : This is only applicable to yachts having a gross tonnage greater than 500GT. A certified management company is requested to carry out this service, preparing operational manuals, procedures for drills, and taking care of the maintenance of the yacht and its installations.
  • International Ship and Port Security Certificate : This is only applicable to yachts having a gross tonnage greater than 500GT and deals with the anti-piracy certification. A certified management company is requested to provide the ashore assistance and establish on-board procedures and operational manuals.

The GT Factor

The gross tonnage value (GT) is a key issue, not only as a reference for the registration fees applied by the different flag administrations, but also because it determines whether an international convention, rather than a particular safety standard, applies to a yacht.

The table below summarises how the conventions and relevant certificates come into force depending on the gross tonnage of the yacht. In particular, the following values may have a critical impact:

300GT: In many codes, when you reach this value the yacht must be certified in unrestricted service (stricter requirements regarding stability, load line and life-saving appliances).

400GT: This is the threshold for almost all the environmental conventions such as MARPOL and Anti-fouling System.

500GT: This is the threshold for the application of the SOLAS Convention, meaning stricter requirements on machinery, safety systems, materials of construction, fire protection, life-saving appliances and navigational equipment. Furthermore an external certified management company is requested for the ISM and ISPS certifications.

The tonnage issue could also arise on existing yachts when undertaking major refits or modifications, in that any change to the internal volumes of the boat – such as adding enclosed deckhouses or superstructures, or modifying the hull transom or bow – will modify the tonnage value with the risk of subjecting the yacht to stricter mandatory rules.

UPDATE: Since this article was originally published, LY2 has been superseded by Large Commercial Yacht Code Revision 3 (LY3) .

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Motor Yacht

Air is a custom motor yacht launched in 1998 by Benetti, in Italy and most recently refitted in 2020.

Over one century of history, more than 350 boats built including three giga yachts of 100mt and longer, over 300,000 sq m (3.229.173 sq.ft) of production facilities. These facts and figures unambiguously demonstrate the momentum of Benetti’s growth and Clients’ unrestrained confidence in the brand.

Air measures 50 metres in length, with a max draft of 2.64 metres and a beam of 8.97 metres. She has a gross tonnage of 496 tonnes. She has a deck material of teak.

Air has a steel hull with an aluminium superstructure.

Her interior design is by Terence Disdale.

Terence Disdale Design is an award-winning design studio responsible for the interior and exterior design of the some of the world’s most significant yachts. Based in the UK, the studio is renowned for producing refreshingly casual yet chic designs.

Air also features naval architecture by Benetti.

Performance and Capabilities

Air has a top speed of 17.00 knots and a cruising speed of 14.00 knots. She is powered by a twin screw propulsion system.

Air has a fuel capacity of 82,900 litres, and a water capacity of 17,000 litres.

She also has a range of 3,800 nautical miles.

Accommodation

Air accommodates up to 14 guests in 7 cabins. She also houses room for up to 11 crew members.

Other Specifications

Air is MCA compliant, her hull NB is FB 221.

Air is an ABS class yacht. She flies the flag of the Cayman Islands.

  • Yacht Builder Benetti View profile
  • Naval Architect Benetti View profile
  • Exterior Designer Stefano Natucci No profile available
  • Interior Designer Terence Disdale View profile

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air yacht gross tonnage

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The 5 largest yachts by gross tonnage at the Monaco Yacht Show 2018

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By Rebecca Bradbury   14 September 2018

The 2018 Monaco Yacht Show is fast-approaching, and as 120 one-off superyachts prepare to go on display, YachtCharterFleet reveals the five largest on the line-up according to gross tonnage.

In an article written last week, we rounded up the 5 largest yachts attending the Monaco Yacht Show by length . But, below we list - in ascending order - the yachts with the biggest gross tonnage - a measurement that refers to a yachts’ overall internal volume.

#5 Areti – 2,817 GT

superyacht Areti anchors in the Mediterranean

The 85m/279ft superyacht ARETI , a Lurssen build, was fifth on the list for the longest yachts signed up for the upcoming show and stays in the same place when comparing the interior volume.

She returns to the event after making her worldwide debut at the 2017 edition and is expected to once again capture much attention for both her vast expanse and world-class amenities. Among these are gym and spa facilities designed for elite athletes and space for 20-plus guests.

The interior styling from Andrew Winch Design is also notable for its fresh American-classic theme. This has been created by combining makore joinery, Emperador and Borricno marble floors and brass accents. 

#4 Aquarius - 2,980 GT

Superyacht AQUARIUS profile shot on the water

After making her debut at last year's edition of the Monaco Yacht Show, the 92m/302ft  motor yacht AQUARIUS is reappearing and takes fourth spot on the leaderboard for her gross tonnage.

The luxury yacht was designed by Feadship, and features immaculate interiors with accommodation for up to 14 guests. She is one of the most recent yachts to confirm her attendance at the event.

Though sadly not available for private yacht charter, the yacht will be on display for show-goers to admire her sleek and contemporary finish. High windows allow light to flood in and bathe her interior spaces, giving the superyacht an elegant and sophisticated edge.

#3 Barbara – 2,984 GT

charter yacht Barbara underway on a Mediterranean yachting vacation

Oceanco ’s 88m/290ft charter yacht BARBARA comes in as the fourth largest yacht by length but, at 2,984 GT, the third largest yacht by volume. With her dark hull and shapely superstructure, the 2017 launch will certainly not be hard to spot lined up in Monaco’s Port Hercules.

Show attendees lucky enough to climb aboard will also find it impossible not to note her unusual layout. Most noteworthy is the owner’s office which, located in the central area of the yacht, has drop-down balconies either side to create a huge expanse filled with fresh air and natural light.

The self-contained master suite, meanwhile, is located forward on the owner’s deck and other distinctive features include an aquarium by Living Color in the main salon, a lower deck cinema with Lay-Z Boy chairs and a striking timber and metal vine sculpture that wraps its way around the lift shaft.

#2 Dar – 2,999 GT

motor yacht DAR cuts through the water while undertaking sea trials

Not only will the 90m/295ft superyacht DAR – also from Oceanco - be the second largest yacht by volume to appear at MYS 2018, but she will be the second largest yacht by length at the event.

Launched in July, she is one of the most exciting superyachts to hit the water this year due to her ground-breaking design and technological innovations. Making her worldwide debut at the show, she is expected to attract much attention and acclaim.

One of her radical features is the glass-clad exterior and this has been designed in harmony with the interior. Based on the theme of nature, the inside guest living areas are said to be decorated in fine fabrics, wall paper, 3D lacquer and woods such as Brazilian Carballo and bleached grey maple.

#1 Illusion Plus – 3,642 GT

motor yacht Illusion Plus outside yard's facilities following her delivery

Ranking in first place with a huge volume of 3,642 GT is the 89m/291ft motor yacht ‘Illusion Plus’ from Chinese shipyard Pride Mega Yachts. This figure is an impressive 643 GT ahead of her nearest rival (DAR) and may be surprising given that, at 89 metres, she is only the third longest yacht on the line-up.

Similarly to DAR, she was launched this summer and will be premiering at the yachting event after undertaking her maiden voyage from China to Monaco . She is expected to receive a warm welcome from industry professionals keen to discover her unparalleled sense of space and luxury interior.

A dedicated spa, beauty salon and gymnasium, and an 80-square-metre master suite are just a few of her highlights for guests to enjoy, while a diesel-electric propulsion package by Rolls Royce ensures the ultimate in cruising performance and energy efficiency.

For further details on any charter yacht at MYS 2018, speak to your preferred charter broker .

Alternatively, view all superyachts attending the Monaco Yacht Show 2018 .

A selection of charter yachts at the Monaco Yacht Show 2018:

Athos yacht charter

63m Holland Jachtbouw 2010 / 2023

After You yacht charter

55m Heesen 2011 / 2022

Stealth yacht charter

46m Palmer Johnson 2010 / 2022

Whisper yacht charter

95m Lurssen 2014

Barbara yacht charter

89m Oceanco 2017

Irisha yacht charter

51m Heesen 2018

Casino Royale

72m Tankoa Yachts 2018 / 2023

Never Blue

38m Custom Line 2018

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Cruise Ship Size Comparison, Dimensions

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Compare cruise ship sizes by length, weight (tonnage), height, width/beam. Review cruise ship dimensions in both meters and feet, and FAQ information, definitions.

Cruise ship size comparison

In our huge table below there's a list of all most famous, ever best passenger cruise ships sorted by name. This survey also offers smaller cruise ships size comparison of top luxury all-inclusive vessels with gross tonnage even lesser than 5,000 GT. Now the list of all ship sizes related and integrated articles:

  • passenger capacity of cruise ships
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Cruise Ship Size Comparison, Dimensions - CruiseMapper

Length of a cruise ship (Length Overall / LOA)

The cruise ship length is professionally referred to as LOA (length overall), meaning the maximum length between the two most distant points on its hull. LOA may also include the tip of the bowsprit - the pole extending from the ship's prow (usually on tall sailing ships, yachts, and smaller boats). The bowsprit is the "winning" part of the ship when competing in a race or during trials/speed tests.

Another passenger cruise ship length measuring (though not included in this survey) is called LWL. LWL signifies "loaded waterline length" (or just "waterline length"). It excludes the total length, denoting only the length at the point where the vessel sits in the water. The LWL measure plays an important role when assessing some ship properties, like "hull speed" (aka "displacement speed"), water displacement, the amount of paint needed for the ship's bottom, etc.

cruise ship dimensions in feet and meters

Longest cruise ship in the world

The longest cruise ships by size also occupy the first two positions in the list of the largest cruise ships of the world by passenger capacity and gross tonnage. The humongous Royal Caribbean's floating cities Allure and Oasis boast the whole 360 meters in length (1,181 ft), and breadth of 47 meters (154 ft), the unbelievable for a passenger cruise ship tonnage of 225,300 tons, and max crew-passenger capacity of almost 8,500 (2,170+6,300) - each!

Weight of a cruise ship (tonnage) and draft

The size (tonnage weight) of a cruise ship is measured in "gross tonnage" (GT). It relates to the vessel's internal volume (keel to funnel* and to the outside of the hull) and applying a mathematical formula. The cruise ship tonnage is generally used for determining registration fees, port fees, safety rules, regulations. Another ship data (though not included in this survey) is the vessel's "deadweight tonnage" (DWT), which is the weight a vessel can safely carry (cargo, passengers, etc).

The cruise ship draft (or draught) measures the number of meters/feet from the waterline to the lowest point of the keel - or the ship's "invisible" portion below the surface (and especially when loaded). The cruise ship's draft is very important when considering docking in a particular port, sailing through channels or the inland waterways of the continents (rivers and canals).

*Note: Actually, the ship's funnel is the only part of the enclosed interior space that is NOT included in its Gross Tonnage measurement.

Cruise ship weight

As one of our fans Mr John Spooner (cruiser / Retired Master Mariner) have pointed out, the "Gross Tonnage" weight is a measurement of VOLUME, and not of MASS. GT  is an index related to marine vessels' overall internal volume. According to Wikipedia's definition:

  • "Gross Tonnage" (GT) calculations are based on the volume of all the ship's enclosed spaces.
  • "Gross Register Tonnage" (GRT) is the vessel's total internal volume measured in "register tons" (each ton equals 100 ft3 / 2,83 m3).
  • Neither GT nor GTR measures the vessel's displacement (mass), but really show how big cruise ships are.
  • "Deadweight Tonnage" (DWT) measures how much weight a cruise ship (or any of the marine vessel types) can carry safely. This a weighted sum of the vessel's cargo (incl provisions, passengers, crew), fuel, water (fresh and ballast), etc.
  • "Displacement Tonnage" is how much weight the water that a cruise ship (any vessel) displaces when floating (the total weight of the ship / including its contents). Displacement is usually applied to the navy rather than commercial marine vessels. It is measured when the ship is loaded at full capacity.

Compare cruise ship sizes

Ship nameYear BuiltSize (GT Tonnage)Max Draft m/ftLength m/ftWidth m/ft
AIDAaura200342,2896.30m / 20.67 ft202m / 662.73 ft28m / 91.86 ft
AIDAbella200869,2037.30m / 24 ft251m / 823.49 ft32m / 105 ft
AIDAblu201071,3047.30m / 24 ft253m / 830 ft32m / 105 ft
AIDAcara199638,5576m / 19.69 ft193m / 633.20 ft27m / 88.58 ft
AIDAdiva200769,2037.30m / 24 ft251m / 823.49 ft32m / 105 ft
AIDAluna200969,2037.30m / 24 ft251m / 823.49 ft32m / 105 ft
AIDAmar201271,3047.30m / 24 ft253m / 830 ft32m / 105 ft
AIDAmira199948,2007m / 23 ft216m / 708.66 ft32m / 105 ft
AIDAnova2018183,9008m / 29 ft337m / 1,105.64 ft42m / 137.80 ft
AIDAperla2017124,5008.25m / 27.07 ft300m / 984.25 ft37m / 121.39 ft
AIDAprima2016124,5008.25m / 27.07 ft300m / 984.25 ft37m / 121.39 ft
AIDAsol201171,3047.30m / 24 ft253m / 830 ft32m / 105 ft
AIDAstella201371,3047.30m / 24 ft253m / 830 ft32m / 105 ft
AIDAvita200242,2896.30m / 20.67 ft202m / 662.73 ft28m / 91.86 ft
American Constellation2017  82m / 269 ft17m / 55.77 ft
American Constitution2018  82m / 269 ft17m / 55.77 ft
American Glory20021,2672m / 6.50 ft53m / 173.88 ft12m / 39.37 ft
American Harmony2019 3m / 9.51 ft82m / 269 ft18m / 59.06 ft
American Pride20122,700 90m / 295.28 ft14m / 46 ft
American Song2018 3m / 9.51 ft82m / 269 ft18m / 59.06 ft
American Spirit20041,955 67m / 219.82 ft13m / 42.65 ft
American Star20071,973 66m / 216.54 ft13m / 42.65 ft
Queen of the Mississippi20153,800 90m / 295.28 ft16m / 52.49 ft
Queen of the West19952,1002.13m / 7 ft71m / 233 ft15m / 49.21 ft
American Duchess20173,560 104m / 341.21 ft30m / 98.43 ft
American Empress20035,9753.81m / 12.50 ft110m / 360.89 ft18m / 59.06 ft
American Queen19953,707 127m / 416.67 ft27m / 88.58 ft
Azamara Journey200030,2776m / 19.52 ft181m / 593.83 ft25m / 82 ft
Azamara Pursuit200130,2776m / 19.69 ft181m / 593.83 ft25m / 82 ft
Azamara Quest200030,2776m / 19.52 ft181m / 593.83 ft25m / 82 ft
Grand Celebration198747,2638m / 26 ft223m / 731.63 ft28m / 91.86 ft
Grand Classica199152,9267.60m / 25 ft220m / 721.78 ft30m / 98.43 ft
Carnival Breeze2012128,0529m / 29.53 ft306m / 1,004 ft37m / 121.39 ft
Carnival Conquest2002110,2398m / 26.25 ft290m / 951.44 ft38m / 124.67 ft
Carnival Dream2009128,2518.20m / 26.90 ft305m / 1,000.66 ft37m / 121.39 ft
Carnival Ecstasy199170,5267m / 23 ft262m / 859.58 ft31m / 101.71 ft
Carnival Elation199870, 3908m / 26.25 ft260m / 853 ft31m / 101.71 ft
Carnival Fantasy199070,3678m / 26.25 ft260m / 853 ft31m / 101.71 ft
Carnival Fascination199470,5388m / 26.25 ft262m / 859.58 ft31m / 101.71 ft
Carnival Freedom2007110,3208m / 26.25 ft289m / 948.16 ft38m / 124.67 ft
Carnival Glory2003110,2398m / 26.25 ft290m / 951.44 ft38m / 124.67 ft
Carnival Horizon2018133,500 322m / 1,056.43 ft37m / 121.39 ft
Carnival Imagination199570,3678m / 26.25 ft262m / 859.58 ft31m / 101.71 ft
Carnival Inspiration199670,3678m / 26.25 ft262m / 859.58 ft31m / 101.71 ft
Carnival Legend200285,9428m / 26.25 ft292m / 958 ft32m / 105 ft
Carnival Liberty2005110,3208m / 26.25 ft290m / 951.44 ft38m / 124.67 ft
Carnival Magic2011128,0488m / 26.25 ft305m / 1,000.66 ft37m / 121.39 ft
Carnival Miracle200485,9428m / 26.25 ft292m / 958 ft32m / 105 ft
Carnival Panorama2019133,5003m / 9.51 ft322m / 1,056.43 ft37m / 121.39 ft
Carnival Paradise199870,3908m / 26.25 ft262m / 859.58 ft31m / 101.71 ft
Carnival Pride200185,9208m / 26.25 ft292m / 958 ft32m / 105 ft
Carnival Sensation199370,5388m / 26.25 ft262m / 859.58 ft31m / 101.71 ft
Carnival Spirit200185,9208m / 26.25 ft292m / 958 ft32m / 105 ft
Carnival Splendor2008113,3238m / 26.25 ft290m / 951.44 ft38m / 124.67 ft
Carnival Sunshine1996103,8818m / 26.25 ft272m / 892.39 ft38m / 124.67 ft
Carnival Sunrise (ex Triumph)1999101,5098m / 26.25 ft272m / 892.39 ft38m / 124.67 ft
Carnival Valor2004110,2398m / 26.25 ft290m / 951.44 ft38m / 124.67 ft
Carnival Victory2000101,5098m / 26.25 ft272m / 892.39 ft38m / 124.67 ft
Carnival Vista2016133,500 322m / 1,056.43 ft37m / 121.39 ft
Celebrity Apex2020129,5003m / 9.51 ft306m / 1,004 ft39m / 128 ft
Celebrity Constellation200290,9408m / 26.25 ft294m / 964.57 ft32m / 105 ft
Celebrity Eclipse2010121,8788.62m / 28.28 ft317m / 1,040 ft36m / 118.11 ft
Celebrity Edge2018129,500 306m / 1,004 ft39m / 128 ft
Celebrity Equinox2009121,8788.62m / 28.28 ft317m / 1,040 ft36m / 118.11 ft
Celebrity Flora20195,7393m / 9.51 ft101m / 331.36 ft17m / 55.77 ft
Celebrity Infinity200190,9408m / 26.25 ft294m / 964.57 ft32m / 105 ft</ td>
Celebrity Millennium200090,9638.30m / 27.23 ft294m / 964.57 ft32m / 105 ft
Celebrity Reflection2012125,3668.60m / 28.22 ft319m / 1,046.59 ft37m / 121.39 ft
Celebrity Silhouette2011122,2108.62m / 28.28 ft315m / 1,033.46 ft36m / 118.11 ft
Celebrity Solstice2008121,8788.30m / 27.23 ft317m / 1,040 ft36m / 118.11 ft
Celebrity Summit200190,9408m / 26.25 ft294m / 964.57 ft32m / 105 ft
Celebrity Xpedition20012,8423.60m / 11.81 ft88m / 288.71 ft14m / 46 ft
Celebrity Xperience20021,6103m / 9.51 ft64m / 210 ft13m / 42.65 ft
Celebrity Xploration20073191.40m / 4.59 ft30m / 98.43 ft11m / 36.09 ft
Celestyal Crystal198025,6116m / 19.40 ft158m / 518.37 ft25m / 82 ft
Celestyal Nefeli199219,0935.40m / 17.72 ft164m / 538.06 ft23m / 75.46 ft
Celestyal Olympia198237,5847m / 23 ft215m / 705.38 ft28m / 91.86 ft
Louis Aura196815,7816.70m / 22 ft160m / 525 ft22m / 72.18 ft
L'Austral201110,9444.80m / 15.75 ft142m / 465.88 ft18m / 59.06 ft
Le Bellot20209,9003m / 9.51 ft131m / 429.79 ft18m / 59.06 ft
Le Boreal201010,9444.80m / 15.75 ft142m / 465.88 ft18m / 59.06 ft
Le Bougainville20199,900 131m / 429.79 ft18m / 59.06 ft
Le Champlain20189,900 131m / 429.79 ft18m / 59.06 ft
Le Dumont dUrville20199,9003m / 9.51 ft131m / 429.79 ft18m / 59.06 ft
Le Laperouse20189,900 131m / 429.79 ft18m / 59.06 ft
Le Lyrial201510,7005m / 16.08 ft142m / 465.88 ft18m / 59.06 ft
Le Ponant19911,1894m / 13.12 ft88m / 288.71 ft11m / 36.09 ft
Le Soleal201310,9925m / 16.08 ft142m / 465.88 ft18m / 59.06 ft
Le Surville202010,0003m / 9.51 ft127m / 416.67 ft18m / 59.06 ft
Ponant Icebreaker202130,0003m / 9.51 ft150m / 492.13 ft 
Costa Atlantica200085,6198m / 26.25 ft292m / 958 ft32m / 105 ft
Costa Deliziosa201092,7208.10m / 26.57 ft294m / 964.57 ft35m / 114.83 ft
Costa Diadema2014132,5008.50m / 27.89 ft306m / 1,004 ft36m / 118.11 ft
Costa Fascinosa2012113,2168.30m / 27.23 ft289m / 948.16 ft38m / 124.67 ft
Costa Favolosa2011113,2168m / 26.25 ft</ td>289m / 948.16 ft38m / 124.67 ft
Costa Fortuna2003102,5878.30m / 27.23 ft272m / 892.39 ft38m / 124.67 ft
Costa Luminosa200992,7208.10m / 26.56 ft294m / 964.57 ft35m / 114.83 ft
Costa Magica2004102,5878.30m / 27.23 ft272m / 892.39 ft36m / 118.11 ft
Costa Mediterranea200385,6198m / 26.25 ft292m / 958 ft32m / 105 ft
Costa neoRomantica199356,76917m / 55.77 ft220m / 721.78 ft32m / 105 ft
Costa Pacifica2009114,2888m / 26.25 ft289m / 948.16 ft38m / 124.67 ft
Costa Serena2007114,1478.30m / 27.23 ft289m / 948.16 ft38m / 124.67 ft
Costa Smeralda2019183,900 337m / 1,105.64 ft42m / 137.80 ft
Costa Venezia2019135,500 324m / 1,063 ft37m / 121.39 ft
Costa Victoria199675,1668m / 26.25 ft250m / 820.21 ft32m / 105 ft
Astor198720,7046.15m / 20.18 ft176m / 577.43 ft22m / 72.18 ft
Astoria194816,1447.60m / 25 ft160m / 525 ft21m / 68.90 ft
Columbus198963,7868m / 26.25 ft245m / 803.81 ft32m / 105 ft
Magellan198546,0528m / 26.25 ft221m / 725.07 ft32m / 105 ft
Marco Polo196522,0808.60m / 28.22 ft176m / 577.43 ft23m / 75.46 ft
Crystal Bach20175,000 135m / 443 ft12m / 39.37 ft
Crystal Debussy20185,000 135m / 443 ft12m / 39.37 ft
Crystal Endeavor202019,8003m / 9.51 ft183m / 600.39 ft 
Crystal Esprit19913,3413.80m / 12.46 ft85m / 278.87 ft14m / 46 ft
Crystal Mahler20175,000 135m / 443 ft12m / 39.37 ft
Crystal Mozart19873,100 120m / 393.70 ft23m / 75.46 ft
Crystal Ravel20185,000 135m / 443 ft12m / 39.37 ft
Crystal Serenity200368,8708m / 26.25 ft250m / 820.21 ft32m / 105 ft
Crystal Symphony199551,0448m / 26.25 ft238m / 780.84 ft30m / 98.43 ft
Queen Elizabeth201090,9018m / 26.25 ft293m / 961.29 ft32m / 105 ft
Queen Mary 22004148,52810m / 32.81 ft345m / 1,131.89 ft44m / 144.36 ft
Queen Victoria200790,0498m / 26.25 ft293m / 961.29 ft32m / 105 ft
Disney Dream2010129,6908m / 26.25 ft339m / 1,112.20 ft41m / 134.51 ft
Disney Fantasy2012129,7508.32m / 27.30 ft339m / 1,112.20 ft41m / 134.51 ft
Disney Magic199883,9698m / 26.25 ft294m / 964.57 ft32m / 105 ft
Disney Wonder199983,3088m / 26.25 ft294m / 964.57 ft32m / 105 ft
Genting Dream2016151,3008.30m / 27.23 ft335m / 1,099.08 ft39.7m / 130.25 ft
World Dream2017151,3008.62m / 28.28 ft335m / 1,099.08 ft38m / 124.67 ft
Balmoral198843,5377.25m / 23.79 ft187m / 613.52 ft28m / 91.86 ft
Black Watch197228,6137.55m / 24.76 ft205m / 672.57 ft25m / 82 ft
Boudicca197328,5517.55m / 24.76 ft206m / 675.85 ft25m / 82 ft
Braemar199324,3445.41m / 17.75 ft195m / 639.76 ft22m / 72.18 ft
MV Clio19983,5043.22m / 10.56 ft100m / 328.08 ft14m / 46 ft
MV Corinthian19904,0774m / 13.12 ft88m / 288.71 ft15m / 49.21 ft
Hanseatic Inspiration201915,540 138m / 452.76 ft22m / 72.18 ft
Hanseatic Nature201915,540 138m / 452.76 ft22m / 72.18 ft
Hanseatic Spirit202115,5403m / 9.51 ft138m / 452.76 ft22m / 72.18 ft
MS Bremen19906,7524.80m / 15.75 ft111m / 364.17 ft17m / 55.77 ft
ms Europa199928,8906.30m / 20.67 ft198m / 649.61 ft24m / 78.74 ft
ms Europa 2201342,8306.50m / 21.33 ft225m / 738.19 ft26m / 85.30 ft
ms Amsterdam200062,7358m / 26.25 ft237m / 777.56 ft31m / 101.71 ft
ms Eurodam200886,2738m / 26.25 ft285m / 935 ft32m / 105 ft
ms Koningsdam201699,500 285m / 935 ft32m / 105 ft
ms Maasdam199355,5758m / 26.25 ft219m / 718.50 ft30m / 98.43 ft
ms Nieuw Amsterdam201086,2738m / 26.31 ft285m / 935 ft32m / 105 ft
ms Nieuw Statendam201899,500 285m / 935 ft32m / 105 ft
ms Noordam200682,8978m / 26.25 ft285m / 935 ft32m / 105 ft
ms Oosterdam200382,3058m / 26.25 ft285m / 935 ft32m / 105 ft
ms Prinsendam198839,0517m / 23 ft204m / 669.29 ft29m / 95.14 ft
ms Rotterdam199761,8498m / 26.25 ft237m / 777.56 ft32m / 105 ft
ms Veendam199657,0928m / 26.25 ft219m / 718.50 ft30m / 98.43 ft
ms Volendam199961,2148m / 26.25 ft237m / 777.56 ft32m / 105 ft
ms Westerdam200482,3488m / 26.25 ft290m / 951.44 ft32m / 105 ft
ms Zaandam200061,3968m / 26.25 ft202m / 662.73 ft32m / 105 ft
ms Zuiderdam200282,3058m / 26.25 ft285m / 935 ft32m / 105 ft
MS Finnmarken200215,6904.80m / 15.75 ft139m / 456 ft21m / 68.90 ft
MS Fram200711,6475.10m / 16.73 ft113m / 370.73 ft20m / 65.62 ft
MS Fridtjof Nansen2020  140m / 459.32 ft24m / 78.74 ft
MS Kong Harald199311,2044.70m / 15.42 ft121m / 397 ft19m / 62.34 ft
MS Lofoten19642,6214.62m / 15.16 ft87m / 285.43 ft13m / 42.65 ft
MS Midnatsol200316,1515.11m / 16.78 ft136m / 446.19 ft21m / 68.90 ft
MS Nordkapp199611,3864.70m / 15.42 ft123m / 403.54 ft19m / 62.34 ft
MS Nordlys199411,2044.70m / 15.42 ft121m / 397 ft19m / 62.34 ft
MS Nordnorge199711,3844.70m / 15.42 ft123m / 403.54 ft19m / 62.34 ft
MS Nordstjernen19562,1914.51m / 14.79 ft87m / 285.43 ft12.6m / 41.34 ft
MS Polarlys199611,3414.70m / 15.42 ft123m / 403.54 ft19m / 62.34 ft
MS Richard With199311,2054.70m / 15.42 ft121m / 397 ft19m / 62.34 ft
MS Roald Amundsen2019  140m / 459.32 ft24m / 78.74 ft
MS Spitsbergen20097,0255.30m / 17.40 ft98m / 321.52 ft18m / 59.06 ft
MS Trollfjord200216,1405.10m / 16.73 ft135m / 443 ft21m / 68.90 ft
MS Vesteralen19836,2614.60m / 15.09 ft108m / 354.33 ft16m / 52.49 ft
50 Let Pobedy icebreaker200723,44011m / 36.09 ft151m / 495.41 ft30m / 98.43 ft
Akademik Ioffe icebreaker19896,4506m / 19.69 ft117m / 383.86 ft18m / 59.06 ft
Murmansk icebreaker201511,7208.50m / 27.89 ft120m / 393.70 ft28m / 91.86 ft
Novorossiysk icebreaker201611,7208.50m / 27.89 ft120m / 393.70 ft28m / 91.86 ft
Rossiya icebreaker198520,68011m / 36.09 ft150m / 492.13 ft30m / 98.43 ft
RRS Discovery20135,9527m / 23 ft100m / 328.08 ft18m / 59.06 ft
RRS Sir David Attenborough icebreaker20191,500 129m / 423.23 ft24m / 78.74 ft
Sankt Peterburg icebreaker200911,7209m / 29.53 ft120m / 393.70 ft28m / 91.86 ft
Sevmorput icebreaker198838,22611.80m / 38.71 ft260m / 853 ft32m / 105 ft
Sibir icebreaker201933,5403m / 9.51 ft173m / 567.59 ft34m / 111.55 ft
Ural icebreaker202033,5403m / 9.51 ft173m / 567.59 ft34m / 111.55 ft
Viktor Chernomyrdin icebreaker201816,000 147m / 482.28 ft29m / 95.14 ft
Vladivostok icebreaker201511,7208.50m / 27.89 ft120m / 393.70 ft28m / 91.86 ft
Xue Long icebreaker199315,3528m / 26.25 ft167m / 547.90 ft23m / 75.46 ft
Yamal icebreaker199220,64611m / 36.09 ft150m / 492.13 ft30m / 98.43 ft
Yevgeny Primakov icebreaker20188,626 104m / 341.21 ft21m / 68.90 ft
National Geographic Endeavour19663,1326m / 19.69 ft89m / 292 ft14m / 46 ft
National Geographic Endeavour II20052,7163.30m / 10.83 ft73m / 239.50 ft13m / 42.65 ft
National Geographic Endurance2020</ td> 3m / 9.51 ft  
National Geographic Explorer19826,4714.74m / 15.55 ft112m / 367.45 ft16m / 52.49 ft
National Geographic Islander19951,0212m / 6.33 ft49m / 160.76 ft13m / 42.65 ft
National Geographic Orion20033,9844m / 13.12 ft102m / 334.65 ft14m / 46 ft
National Geographic Quest20172,9063m / 9.51 ft73m / 239.50 ft14m / 46 ft
National Geographic Sea Bird19826300.30m / 1 ft50m / 164 ft9m / 29.53 ft
National Geographic Sea Lion19826302.60m / 8.53 ft50m / 164 ft9m / 29.53 ft
National Geographic Venture20182,9063m / 9.51 ft73m / 239.50 ft14m / 46 ft
Marella Celebration198433,9337.70m / 25.26 ft214m / 702.10 ft27m / 88.58 ft
Marella Discovery199669,4728.07m / 26.47 ft264m / 866.14 ft32m / 105 ft
Marella Discovery 2199569,4728.07m / 26.47 ft264m / 866.14 ft35m / 114.83 ft
Marella Dream198654,7637.21m / 23.67 ft243m / 797.24 ft29m / 95.14 ft
Marella Explorer199676,9989m / 29.53 ft264m / 866.14 ft32m / 105 ft
Marella Explorer 2199777,3028m / 26.25 ft264m / 866.14 ft32m / 105 ft
Thomson Spirit198333,9307.52m / 24.67 ft215m / 705.38 ft27m / 88.58 ft
MSC Armonia200165,5427m / 23 ft275m / 902.23 ft32m / 105 ft
MSC Bellissima2019171,598 315m / 1,033.46 ft43m / 141.08 ft
MSC Divina2012139,0728.65m / 28.38 ft333m / 1,092.52 ft38m / 124.67 ft
MSC Fantasia2008137,9368.65m / 28.38 ft333m / 1,092.52 ft37m / 121.39 ft
MSC Grandiosa2019177,1003m / 9.51 ft331m / 1,086 ft43m / 141.08 ft
MSC Lirica200365,5916.80m / 22.31 ft275m / 902.23 ft32m / 105 ft
MSC Magnifica201095,1287.85m / 25.75 ft294m / 964.57 ft32m / 105 ft
MSC Meraviglia2017171,5988.75m / 28.71 ft315m / 1,033.46 ft43m / 141.08 ft
MSC Musica200692,4097.85m / 25.75 ft294m / 964.57 ft32m / 105 ft
MSC Opera200465,5917m / 23 ft275m / 902.23 ft32m / 105 ft
MSC Orchestra200792,4097.85m / 25.75 ft294m / 964.57 ft32m / 105 ft
MSC Poesia200892,6277.70m / 25.26 ft294m / 964.57 ft32m / 105 ft
MSC Preziosa2013139,0728.65m / 28.38 ft333m / 1,092.52 ft38m / 124.67 ft
MSC Seaside2017152,0508.80m / 28.87 ft323m / 1,059.71 ft43m / 141.08 ft
MSC Seaview2018152,050 323m / 1,059.71 ft43m / 141.08 ft
MSC Sinfonia200265,5427m / 23 ft275m / 902.23 ft32m / 105 ft
MSC Splendida2009137,9368.65m / 28.38 ft333m / 1,092.52 ft37m / 121.39 ft
MSC Virtuosa2020177,1003m / 9.51 ft331m / 1,086 ft43m / 141.08 ft
NCL Leonardo Class2022140,0003m / 9.51 ft  
Norwegian Bliss2018168,0288.72m / 28.61 ft326m / 1,069.55 ft42m / 137.80 ft
Norwegian Breakaway2013145,6558.60m / 28.22 ft326m / 1,069.55 ft51m / 167.32 ft
Norwegian Dawn200292,2508.63m / 28.30 ft294m / 964.57 ft32m / 105 ft
Norwegian Encore2019167,8003m / 9.51 ft326m / 1,069.55 ft42m / 137.80 ft
Norwegian Epic2010155,8739m / 29.62 ft329m / 1,079.40 ft40m / 131.23 ft
Norwegian Escape2015163,0008.62m / 28.29 ft326m / 1,069.55 ft42m / 137.80 ft
Norwegian Gem200793,5308.63m / 28.30 ft294m / 964.57 ft32m / 105 ft
Norwegian Getaway2014146,6008.60m / 28.22 ft326m / 1,069.55 ft51m / 167.32 ft
Norwegian Jade200693,5588.63m / 28.30 ft294m / 964.57 ft32m / 105 ft
Norwegian Jewel200593,5028.60m / 28.22 ft294m / 964.57 ft32m / 105 ft
Norwegian Joy2017167,4008.72m / 28.61 ft326m / 1,069.55 ft42m / 137.80 ft
Norwegian Pearl200693,5308.63m / 28.30 ft294m / 964.57 ft32m / 105 ft
Norwegian Sky199977,1048m / 26.30 ft258m / 846.46 ft32m / 105 ft
Norwegian Spirit199875,9048.42m / 27.63 ft268m / 879.27 ft32m / 105 ft
Norwegian Star200191,7408.63m / 28.30 ft294m / 964.57 ft32m / 105 ft
Norwegian Sun200178,3098.22m / 27 ft258m / 846.46 ft32m / 105 ft
Pride of America200580,4398m / 26.30 ft280m / 918.64 ft32m / 105 ft
NYV Caroline2020 3m / 9.51 ft174m / 570.87 ft 
Oceania Insignia199830,2776m / 19.69 ft180m / 590.55 ft25m / 82 ft
Oceania Marina201166,0848m / 26.25 ft251m / 823.49 ft32m / 105 ft
Oceania Nautica200030,2776m / 19.69 ft181m / 593.83 ft25m / 82 ft
Oceania Regatta199830,2776m / 19.52 ft181m / 593.83 ft25m / 82 ft
Oceania Riviera201266,1727m / 23 ft251m / 823.49 ft32m / 105 ft
Oceania Sirena199930,2776m / 19.69 ft181m / 593.83 ft25m / 82 ft
Arcadia200584,3428m / 26.25 ft286m / 938.32 ft32m / 105 ft
Aurora200076,1528m / 26.25 ft270m / 885.83 ft32m / 105 ft
Azura2010115,0558.50m / 27.89 ft289m / 948.16 ft48m / 157.48 ft
Britannia2015143,7307.50m / 24.61 ft330m / 1,083 ft47m / 154 ft
Iona2020184,7003m / 9.51 ft337m / 1,105.64 ft42m / 137.80 ft
Oceana200077,4998m / 26.25 ft261m / 856.30 ft32m / 105 ft
Oriana199569,8408m / 26.25 ft260m / 853 ft32m / 105 ft
Pacific Aria199455,8198m / 26.25 ft219m / 718.50 ft30m / 98.43 ft
Pacific Dawn199170,2858.10m / 26.57 ft244m / 800.52 ft31m / 101.71 ft
Pacific Eden199355,8198m / 26.25 ft219m / 718.50 ft30m / 98.43 ft
Pacific Explorer199777,4418m / 26.25 ft261m / 856.30 ft56m / 183.73 ft
Pacific Jewel199070,3108m / 26.25 ft245m / 803.81 ft32m / 105 ft
Ventura2008116,0178m / 26.25 ft289m / 948.16 ft48m / 157.48 ft
Albatros197328,5187.55m / 24.76 ft205m / 672.57 ft27m / 88.58 ft
Amadea199129,0086m / 19.69 ft192m / 630 ft24m / 78.74 ft
Artania198444,6568m / 26.25 ft230m / 754.59 ft29m / 95.14 ft
MS Deutschland199822,4965.79m / 19 ft175m / 574.15 ft22m / 72.18 ft
Caribbean Princess2004112,8948m / 26.25 ft289m / 948.16 ft48m / 157.48 ft
Coral Princess200291,6278.30m / 27.23 ft294m / 964.57 ft32m / 105 ft
Crown Princess2006113,5619m / 29.53 ft288m / 944.88 ft48m / 157.48 ft
Diamond Princess2004115,9068m / 26.25 ft290m / 951.44 ft48m / 157.48 ft
Emerald Princess2007113,5619m / 29.53 ft288m / 944.88 ft48m / 157.48 ft
Enchanted Princess2020143,7008.55m / 28 ft330m / 1,083 ft47m / 154 ft
Golden Princess2001108,8659m / 29.53 ft289m / 948.16 ft48m / 157.48 ft
Grand Princess1998107,5179m / 29.53 ft289m / 948.16 ft48m / 157.48 ft
Island Princess200391,6278m / 26.25 ft294m / 964.57 ft32m / 105 ft
Majestic Princess2017142,7148.55m / 28 ft330m / 1,083 ft47m / 154 ft
Pacific Princess199930,2776m / 19.52 ft181m / 593.83 ft25m / 82 ft
Regal Princess2014142,7148.55m / 28 ft330m / 1,083 ft47m / 154 ft
Royal Princess2013142,7148.55m / 28 ft330m / 1,083 ft47m / 154 ft
Ruby Princess2008113,5618.50m / 27.89 ft289m / 948.16 ft48m / 157.48 ft
Sapphire Princess2004115,8758m / 26.25 ft290m / 951.44 ft48m / 157.48 ft
Sea Princess199877,4998m / 26.25 ft261m / 856.30 ft32m / 105 ft
Sky Princess2019143,7008.55m / 28 ft330m / 1,083 ft47m / 154 ft
Star Princess2002108,9778m / 26.25 ft289m / 948.16 ft48m / 157.48 ft
Sun Princess199577,4418m / 26.25 ft261m / 856.30 ft32m / 105 ft
Pullmantur Horizon199047,4277.70m / 25.26 ft208m / 682.41 ft29m / 95.14 ft
Pullmantur Monarch199173,9377.55m / 24.77 ft268m / 879.27 ft32m / 105 ft
Pullmantur Sovereign198773,5297.80m / 25.59 ft268m / 879.27 ft32m / 105 ft
Pullmantur Zenith199247,4137.70m / 25.26 ft208m / 682.41 ft29m / 95.14 ft
Island Sky19924,2004.25m / 14 ft91m / 298.56 ft15m / 49.21 ft
Kapitan Khlebnikov icebreaker198112,2889m / 29.53 ft123m / 403.54 ft27m / 88.58 ft
MV Sea Spirit19914,2004.20m / 13.78 ft91m / 298.56 ft15m / 49.21 ft
Ocean Adventurer19754,3764.65m / 15.26 ft101m / 331.36 ft16m / 52.49 ft
Ocean Atlantic198612,7985.80m / 19 ft140m / 459.32 ft21m / 68.90 ft
Ocean Diamond19748,2824.80m / 15.75 ft124m / 406.82 ft16m / 52.49 ft
Ocean Endeavour198212,9075.80m / 19 ft137m / 449.48 ft21m / 68.90 ft
Ocean Nova19922,1833.67m / 12 ft73m / 239.50 ft11m / 36.09 ft
World Explorer20199,3003m / 9.51 ft126m / 413.39 ft19m / 62.34 ft
Seven Seas Explorer201656,0007.20m / 23.62 ft224m / 735 ft31m / 101.71 ft
Seven Seas Mariner200148,0757m / 23 ft216m / 708.66 ft275m / 902.23 ft
Seven Seas Navigator199928,8037.30m / 24 ft170m / 557.74 ft24m / 78.74 ft
Seven Seas Splendor202056,0003m / 9.51 ft224m / 735 ft31m / 101.71 ft
Seven Seas Voyager200342,3637m / 23 ft206m / 675.85 ft29m / 95.14 ft
Ritz-Carlton ship201924,0003m / 9.51 ft190m / 623.36 ft 
MS Victory I20014,9543.81m / 12.50 ft87m / 285.43 ft15m / 49.21 ft
MS Victory II20044,9543.81m / 12.50 ft91m / 298.56 ft15m / 49.21 ft
Adventure Of The Seas2001137,2768.82m / 29 ft311m / 1,020.34 ft47m / 154 ft
Allure Of The Seas2010225,2829.32m / 30.58 ft360m / 1,181.10 ft64m / 210 ft
Anthem of the Seas2015167,8008.80m / 28.87 ft348m / 1,141.73 ft49m / 160.76 ft
Apex Of The Seas2023    
Brilliance Of The Seas200290,0908.63m / 28.30 ft292m / 958 ft39m / 128 ft
Empress Of The Seas199048,5637.30m / 24 ft210m / 689 ft30m / 98.43 ft
Enchantment Of The Seas199782,9107.82m / 25.65 ft301m / 987.53 ft35m / 114.83 ft
Explorer Of The Seas2000137,3088.30m / 27.23 ft311m / 1,020.34 ft49m / 160.76 ft
Freedom Of The Seas2006154,4079m / 29.61 ft338m / 1,109 ft56m / 183.73 ft
Grandeur Of The Seas199673,8177.82m / 25.65 ft279m / 915.35 ft35m / 114.83 ft
Harmony Of The Seas2016227,0009.32m / 30.58 ft362m / 1,187.66 ft46m / 151 ft
Icon Of The Seas2022200,000   
Independence Of The Seas2008154,4078.80m / 28.87 ft338m / 1,109 ft56m / 183.73 ft
Jewel Of The Seas200490,0908.63m / 28.30 ft293m / 961.29 ft39m / 128 ft
Joy Of The Seas2024200,0003m / 9.51 ft  
Liberty Of The Seas2007154,4079m / 29.61 ft338m / 1,109 ft56m / 183.73 ft
Majesty Of The Seas199274,0777.88m / 25.84 ft268m / 879.27 ft32m / 105 ft
Mariner Of The Seas2003138,2798.60m / 28.22 ft311m / 1,020.34 ft49m / 160.76 ft
Navigator Of The Seas2002139,5709.12m / 30 ft311m / 1,020.34 ft49m / 160.76 ft
Oasis Of The Seas2009225,2829.32m / 30.58 ft360m / 1,181.10 ft64m / 210 ft
Ovation Of The Seas2016167,8008.82m / 29 ft348m / 1,141.73 ft49m / 160.76 ft
Passion Of The Seas2019168,6663m / 9.51 ft347m / 1,138.45 ft 
Pulse Of The Seas2020168,6663m / 9.51 ft347m / 1,138.45 ft 
Quantum Of The Seas2014167,8008.80m / 28.87 ft348m / 1,141.73 ft49m / 160.76 ft
Radiance Of The Seas200190,0908.63m / 28.30 ft293m / 961.29 ft39m / 128 ft
Rhapsody Of The Seas199778,8788m / 26 ft279m / 915.35 ft35m / 114.83 ft
Serenade Of The Seas200390,0908.63m / 28.30 ft293m / 961.29 ft39m / 128 ft
Spectrum Of The Seas2019168,666 348m / 1,141.73 ft49m / 160.76 ft
Symphony Of The Seas2018228,0819.32m / 30.58 ft362m / 1,187.66 ft46m / 151 ft
Vision Of The Seas199878,7178m / 26 ft279m / 915.35 ft35m / 114.83 ft
Voyager Of The Seas1999137,2769.10m / 29.86 ft311m / 1,020.34 ft47m / 154 ft
MS Karl Marks1957    
MS Khirurg Razumovsky     
MS Kliment Timiryazev1959 3m / 9.51 ft  
MS Knyazhna Anastasia19895,500 129m / 423.23 ft17m / 55.77 ft
MS Konstantin Fedin19805,400 125m / 410.10 ft17m / 55.77 ft
MS Konstantin Korotkov19765,400 125m / 410.10 ft17m / 55.77 ft
MS Konstantin Simonov19845,5003m / 9.84 ft129m / 423.23 ft17m / 55.77 ft
MS Kozma Minin1960    
MS Kronstadt19795,400 125m / 410.10 ft17m / 55.77 ft
MS Lebedinoye Ozero19865,500 129m / 423.23 ft17m / 55.77 ft
MS Lenin19875,5003m / 9.51 ft129m / 423.23 ft17m / 55.77 ft
MS Leonid Krasin19865,500 129m / 423.23 ft17m / 55.77 ft
MS Leonid Sobolev19855,5003m / 9.51 ft129m / 423.23 ft17m / 55.77 ft
MS Lev Tolstoy19795,400 116m / 380.58 ft17m / 55.77 ft
MS Lunnaya Sonata19885,500 129m / 423.23 ft17m / 55.77 ft
MS Maxim Gorky1969  110m / 360.89 ft15m / 49.21 ft
MS Maxim Litvinov19915,500 129m / 423.23 ft17m / 55.77 ft
MS Mikhail Bulgakov1979    
MS Mikhail Frunze19806,300 136m / 446.19 ft17m / 55.77 ft
MS Mikhail Kutuzov1957    
MS Sergey Kuchkin19796,300 136m / 446.19 ft17m / 55.77 ft
MS Sergey Obraztsov1961    
MS Solnechnyi Gorod1956    
MS Taras Shevchenko19915,500 129m / 423.23 ft17m / 55.77 ft
MS Tichy Don1977    
MS Ukraina1979  116m / 380.58 ft17m / 55.77 ft
MS Ural1958 3m / 9.51 ft  
MS Valerian Kuybyshev19766,300 136m / 446.19 ft17m / 55.77 ft
MS Valery Chkalov1961    
MS Vasily Chapaev1964    
MS Vasily Surikov1975  110m / 360.89 ft14.5m / 47.57 ft
MS Vissarion Belinsky19805,400 125m / 410.10 ft17m / 55.77 ft
MS Vladimir Mayakovsky1978 3m / 9.51 ft  
MS Volga19702,125 106m / 347.77 ft16m / 52.49 ft
MS Volga Dream19591,500 96m / 315 ft15m / 49.21 ft
MS Volga Dream 22016 3m / 9.51 ft  
MS Yuri Andropov19865,500 129m / 423.23 ft17m / 55.77 ft
Saga Pearl II198118,6276.20m / 20.34 ft164m / 538.06 ft22m / 72.18 ft
Saga Sapphire198137,0498.40m / 27.56 ft199m / 652.89 ft28m / 91.86 ft
Spirit of Adventure202055,9003m / 9.51 ft236m / 774.28 ft31m / 101.71 ft
Spirit of Discovery201958,250 236m / 774.28 ft31m / 101.71 ft
Scenic Eclipse201916,500 166m / 544.62 ft22m / 72.18 ft
Scenic Eclipse 2202016,5003m / 9.51 ft166m / 544.62 ft22m / 72.18 ft
MS Esprit2010  110m / 360.89 ft12m / 39.37 ft
Seabourn Encore201640,3506.80m / 22.31 ft210m / 689 ft28m / 91.86 ft
Seabourn Odyssey200932,3466m / 19.69 ft198m / 649.61 ft25m / 82 ft
Seabourn Ovation201840,350 210m / 689 ft28m / 91.86 ft
Seabourn Quest201132,3466m / 19.69 ft198m / 649.61 ft25m / 82 ft
Seabourn Sojourn201032,3466m / 19.69 ft198m / 649.61 ft25m / 82 ft
SeaDream I19844,3334m / 13.12 ft108m / 354.33 ft14m / 46 ft
SeaDream II19854,3334m / 13.12 ft108m / 354.33 ft14m / 46 ft
Silver Cloud199416,9275m / 16.40 ft155m / 508.53 ft21m / 68.90 ft
Silver Dawn202140,7003m / 9.51 ft213m / 698.82 ft26m / 85.30 ft
Silver Discoverer19895,2184.43m / 14.53 ft102m / 334.65 ft15m / 49.21 ft
Silver Explorer19896,1304m / 13.12 ft108m / 354.33 ft15m / 49.21 ft
Silver Galapagos19904,0774m / 13.12 ft88m / 288.71 ft15m / 49.21 ft
Silver Moon202040,7003m / 9.51 ft213m / 698.82 ft26m / 85.30 ft
Silver Muse201740,7006.70m / 22 ft213m / 698.82 ft26m / 85.30 ft
Silver Shadow200028,2586m / 19.69 ft186m / 610.24 ft24m / 78.74 ft
Silver Spirit200939,5196.60m / 21.65 ft211m / 692.26 ft27m / 88.58 ft
Silver Whisper200128,2586m / 19.69 ft186m / 610.24 ft24m / 78.74 ft
Silver Wind199517,2355.70m / 18.70 ft155m / 508.53 ft21m / 68.90 ft
Aegean Paradise199023,2877m / 23 ft174m / 570.87 ft24m / 78.74 ft
Aranui 320027,3256m / 19.42 ft118m / 387.14 ft18m / 59.06 ft
Aranui 520157,5005.20m / 17.06 ft126m / 413.39 ft21m / 68.90 ft
Asuka 2199050,14213m / 42. 72 ft241m / 790.68 ft30m / 98.43 ft
Caledonian Sky19914,2004.25m / 14 ft90m / 295.28 ft14m / 46 ft
Chichagof Dream19841,4712.50m / 8.20 ft52m / 170.60 ft11m / 36.09 ft
Chinese Taishan200024,4307m / 23 ft181m / 593.83 ft25m / 82 ft
Club Med 2199214,9835.10m / 16.73 ft194m / 636.48 ft20m / 65.62 ft
Coral Adventurer20195,5363m / 9.51 ft94m / 308.40 ft17m / 55.77 ft
Ecoship202055,0003m / 9.51 ft224m / 735 ft31m / 101.71 ft
Funchal19619,5636m / 19.69 ft153m / 502 ft19m / 62.34 ft
Galapagos Legend19632,8904.25m / 14 ft92m / 301.84 ft15m / 49.21 ft
Golden Iris197716,8526m / 19.69 ft165m / 541.34 ft23m / 75.46 ft
Princess Iris199240,8766.22m / 20.40 ft207m / 679.13 ft32m / 105 ft
Greg Mortimer20197,400 104m / 341.21 ft18m / 59.06 ft
Hebridean Princess19642,1123m / 9.84 ft71m / 233 ft14m / 46 ft
Hebridean Sky19914,2004.25m / 14 ft90m / 295.28 ft15m / 49.21 ft
Knyaz Vladimir19719,1596m / 19.69 ft142m / 465.88 ft22m / 72.18 ft
Leisure World196915,6536m / 19.69 ft161m / 528.22 ft22m / 72.18 ft
Lisboa195516,5318m / 26.25 ft162m / 531.50 ft21m / 68.90 ft
MS Berlin198010,5505m / 16.34 ft139m / 456 ft18m / 59.06 ft
MS Birka Stockholm200434,9246.62m / 21.71 ft177m / 580.71 ft27m / 88.58 ft
MS Delphin197516,2146.20m / 20.34 ft157m / 515.09 ft22m / 72.18 ft
MS Expedition19726,3345m / 16.40 ft105m / 344.49 ft19m / 62.34 ft
MS Hamburg199715,0675.15m / 16.90 ft144m / 472.44 ft22m / 72.18 ft
MS Panorama II</ td>20044984m / 13.12 ft50m / 164 ft11m / 36.09 ft
ms The World200243,1887.07m / 23.19 ft196m / 643 ft29m / 95.14 ft
mv Aegean Odyssey197312,0946.58m / 21.59 ft140m / 459.32 ft20m / 65.62 ft
MV Glory Sea200124,3187m / 23 ft180m / 590.55 ft25m / 82 ft
MV Hondius20196,300 108m / 354.33 ft18m / 59.06 ft
MV Magellan Explorer20194,9003m / 9.51 ft91m / 298.56 ft16m / 52.49 ft
mv Minerva199612,9006m / 19.69 ft133m / 436.35 ft20m / 65.62 ft
MV Stella Australis20104,5083.45m / 11.32 ft89m / 292 ft14m / 46 ft
MV Ventus Australis20184,508 89m / 292 ft14m / 46 ft
Oasia197324,4928m / 26.25 ft191m / 626.64 ft25m / 82 ft
Ocean Dream198136,6747.33m / 24 ft205m / 672.57 ft26m / 85.30 ft
Ocean Gala198240,1717.27m / 23.85 ft190m / 623.36 ft26m / 85.30 ft
Ocean Majesty196610,4175m / 16.40 ft135m / 443 ft15m / 49.21 ft
Ocean Star Pacific197123,1497m / 23 ft194m / 636.48 ft24m / 78.74 ft
Ocean Victory20217,4003m / 9.51 ft104m / 341.21 ft18m / 59.06 ft
Orient Queen19897,4784.60m / 15.09 ft121m / 397 ft17m / 55.77 ft
Oriental Dragon197218,4557m / 23 ft172m / 564.30 ft24m / 78.74 ft
Pacific Venus199826,59411.70m / 38.39 ft183m / 600.39 ft25m / 82 ft
Paul Gauguin199719,1705.15m / 16.90 ft153m / 502 ft21m / 68.90 ft
Pearl Mist20145,1093.47m / 11.37 ft102m / 334.65 ft17m / 55.77 ft
Porto19655,8885m / 16.40 ft117m / 383.86 ft16m / 52.49 ft
RCGS Resolute19918,3785m / 16.08 ft122m / 400.26 ft17m / 55.77 ft
Royal Clipper20004,4255.60m / 18.37 ft133m / 436.35 ft16m / 52.49 ft
Sea Cloud19312,5324.88m / 16 ft96m / 315 ft15m / 49.21 ft
Sea Cloud Hussar20184,228   
Sea Cloud II20003,8495.18m / 17 ft106m / 347.77 ft16m / 52.49 ft
Sea Endurance19921,2683.50m / 11.48 ft50m / 164 ft11m / 36.09 ft
SkySea Golden Era199572,4588m / 26.25 ft248m / 813.65 ft32m / 105 ft
Spirit of Enderby19841,7504.50m / 14.76 ft72m / 236.22 ft13m / 42.65 ft
Star Clipper19922,2984.70m / 15.42 ft111m / 364.17 ft</ td>15m / 49.21 ft
Star Flyer19912,2985.50m / 18 ft111m / 364.17 ft15m / 49.21 ft
Vidanta Alegria199015,2715.82m / 19.08 ft153m / 502 ft21m / 68.90 ft
Star Pisces199040,0536.22m / 20.39 ft176m / 577.43 ft29m / 95.14 ft
SuperStar Aquarius199351,3097m / 23ft229m / 751.31 ft32m / 105 ft
SuperStar Gemini199250,7647m / 23 ft229m / 751.31 ft32m / 105 ft
SuperStar Libra198842,2857m / 23 ft216m / 708.66 ft28m / 91.86 ft
SuperStar Virgo199975,3388m / 26 ft268m / 879.27 ft32m / 105 ft
Mein Schiff 12018111,5008m / 26.41 ft316m / 1,036.75 ft36m / 118.11 ft
Mein Schiff 22019111,500 316m / 1,036.75 ft36m / 118.11 ft
Mein Schiff 3201499,4308.25m / 27.07 ft293m / 961.29 ft35m / 114.83 ft
Mein Schiff 4201599,5008.27m / 27.14 ft293m / 961.29 ft35m / 114.83 ft
Mein Schiff 5201699,8008.27m / 27.14 ft293m / 961.29 ft35m / 114.83 ft
Mein Schiff 6201799,8008.27m / 27.13 ft295m / 967.85 ft35m / 114.83 ft
Mein Schiff 72023111,5003m / 9.51 ft316m / 1,036.75 ft36m / 118.11 ft
Viking River Cruises lonships2012-20195,000 135m / 443 ft29m / 95.14 ft
Viking Ocean ships (Sky, Star, Sun, Tellus, Venus, tbn1, tbn2)2016-202347,8006.30m / 20.67 ft227m / 744.75 ft28m / 91.86 ft
Virgin Voyages ships (Scarlet Lady, tbn1, tbn2)2020-2022110,000 278m / 912.07 ft38m / 124.67 ft
Star Breeze19899,9755.50m / 18. 04 ft134m / 439.63 ft19m / 62.34 ft
Star Legend19929,9615.50m / 18 ft135m / 443 ft21m / 68.90 ft
Star Pride19889,9755.42m / 17.78 ft133m / 436.35 ft21m / 68.90 ft
Wind Spirit19885,3074.11m / 13.48 ft134m / 439.63 ft16m / 52.49 ft
Wind Star19865,3974.11m / 13.48 ft134m / 439.63 ft16m / 52.49 ft
Wind Surf199014,7455m / 16.44 ft187m / 613.52 ft20m / 65.62 ft

SuperyachtNews

By SuperyachtNews 10 Aug 2022

Is GT just a gross misconception?

The lingering fascination with gross tonnage affects how superyachts are valued…but is there a better metric.

The metrics by which we measure superyachts carry value connotations. But value to who? Misconceptions around the true definition of gross tonnage persist across many areas of the industry. Gross tonnage, the second figure quoted in most references to a yacht after LOA (length overall), is a measurement that traces its origin to the merchant fleet using the moulded volume of enclosed spaces of the ship. It may be, however, be an outdated measurement when simplistically attributing value to the user of a yacht.

Originally these findings were published in the Superyacht New Build Report, using Data Supplied by The Superyacht Agency and Rob Doyle Design. The latter whose reimaging of the concept of 'usable space' onboard the convention-busting concept "Project Fury'  led to this piece. 

The relationship of GT to the amount of lived-in space is weak. Even the most extravagant real estate does not include a volumetric measurement. Square metres give the floor space, and the three-dimensional space is inferred. Obviously, it has many applications across the commercial sector and for purposes of classification, but its persistence in the superyacht sector leads to misunderstandings.

As a mathematical curiosity, it’s intriguing. Volume increases as the length, width and height of a shape increase (by the power of three). Increase the length of the sides of a cube from one metre to three metres and the volume will grow to 27m3, for example. Large yachts’ cubic spaces (GT) increase disproportionately with length.

air yacht gross tonnage

The growth of this curve is not as drastic X to the power of 3, as would be expected from perfect cubes, but it does still convey the disproportionate increase in GT vs LOA. Converting this to a meaningful statistic is challenging and should not be taken at face value.

Figure 3, below, shows a selection of well-known sailing yachts and motoryachts plotting GT vs LOA, and while not directly comparable, the less pronounced trend is clear. Sailing yachts do not exhibit a very noticeable increase in volume vs length because, in general, they don’t grow in height vs length in the same way that a motoryacht does. Nothing revelatory there.

air yacht gross tonnage

The intriguing difference comes when a different metric is applied. By carefully analysing the GAs of a selection of sailing yachts, in partnership with Van Geest Design, and selecting the ‘usable’ spaces, a different distribution can be seen, as shown in Figure 4, below.

air yacht gross tonnage

Usable space has been calculated here manually but it is broadly the guest usable spaces, no technical walkways, no winch spaces, tender garages or limo bays etc. These spaces are then divided by the cubed route of the floor plan vs GT to remove the volumetric consideration. This is then plotted against the square root of the length vs the length on deck, not the length overall, again to consider the usable spaces. This re-evaluation produces a far less reductive distribution.

S/Y Vertigo, a 67m vessel with 837GT and one of the larger sailing yachts, sits above the trend line in Figure 3, suggesting a high return of internal spaces. However, when taking into account just the interior spaces that can be used by removing outlying space, it falls below the trend line in Figure 4. Conversely, S/Y M5 moves from average to well above the trend line.

This is a concept that requires input, not least from designers and yards, but it allows for more specific consideration of a yacht’s usable space. The majority of this data is available but requires manual manipulation and CAD analysis of GAs. It does, however, offer an alternative and unique re-evaluation of value to the client.

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Calculating GRT for Mariner Credentials

I have a question about Gross Registered Tonnage for Mariner Licensing. A good portion of my sea time is on a private yacht that just shows Gross Tonnage on the COI, not Gross Registered Tonnage. Is there a formula used to determine Gross Registered Tonnage for a vessel for Mariner Credentials? Thanks in advance,

The USCG considers 1600 GRT equal to 3000 GT.

I’m not sure what they do about smaller vessels.

Here is what I have used for CG 719S Sea Service Form.

A simplified set of gross tonnage formulas is set forth by the U.S. Coast Guard Marine Safety Center, which are based on three measurements: Length (L), breadth (D), and depth (D). Under this system, the means of estimating gross tonnage is as follows:

For power boats: Gross Tonnage = (. 67 x L x B x D) / 100.

For a sailing boat with keel, Gross Tonnage = (.375 * L * B * D) / 100

For freighters with angled or cylindrical hulls, Gross Tonnage = (.67 * L * B * D) / 100

For ships with square barge-shaped hulls, Gross Tonnage = (.84 * L * B * D) / 100**

For a boat with a simple sailing hull, Gross Tonnage (GT) = (.5 x L x B x D) / 100**

Vessel Gross Tonnage Calculator

And 500 GT = 200 GRT. See also 46 CFR 11.211(h) .

Where does it state you can use these formulas to calculate Gross Registered Tonnage for the CG 719S?

You’re making this harder than it needs to be. If the vessel is only measured in GT you don’t need GRT See the link I posted above.

Thank you again. I like idea to simplify and not complicate the issue.

However, I have for years used 46 CFR 69.209 and the Simplified Measurement Tonnage Guide 1 for my calculations for the 719S form.

Many years ago, I was referred to the Gross Register Tonnage regulation of small vessel calculations if it was unknown.

Thanks for all of the great information. So if I am working an a vessel that’s only calculated with the simplified tonnage, how does this type of Vessel Gross Tonnage work when looking to upgrade your license when the Sea Service for the vessels needs to be in Gross Registered Tonnage? I attached a picture of the specs on the vessel along with a license checkoff list. Thanks for all of your help.

Screenshot_20240202-184750

I like Mr Cavo’s method.

If this is for other purposes then I would use the vessel’s name and enter the CGMIX Coast Guard Port State Information Exchange

Last resort: Vessel Gross Tonnage Calculator or by formula 46 CFR 12.603 .

77.8’ x 20.7’ x 10.3’ x .67/100 = 111.14 tons

Thanks for the information. Would the 137 Gross Tons vessel I work on satisfy a Sea Service requirement that’s calling for time on vessels of 100 GRT or more? Thanks again.

This boat I work on is US Flagged.

I recommend looking at the GRT vs gt, Professional Mariner Forum Dec 2013 thread and Mr. Cavo’s post regarding the relationship between the two.

Thanks for the information jdcalvo. What is the National Maritime Center going to consider a 137 Gross Tonnage vessel to be for Gross Registered Tons?

Looking at the CG-719S form, it asks to list “Vessel Gross Tons”. I will put the 137 Gross Tons and will see what happens. See attached.

Screenshot_20240203-004802

Seems that following Cavo’s guidance we both found our solution.

The “SIMPLIFIED MEASUREMENT GROSS TONNAGE” formulas?

The formulas I provided earlier were based on both the CFR and Simplified Measurement Gross Tonnage Guide to comply with the guidance for filling out the 719S form found in Documenting Sea Service on the NMC website. Based on my reading NMC is calculating Gross Tons as GRT. I believe that they will calculate for you given the Length, Beam and Draft based on the vessel type.

Let me know how you read the guidance.

Sorry for the run on sentence.

2 posts were split to a new topic: GRT/NRT has been replaced by GT/NT in all international trade since 1982

Your entire comment is completely irrelevant and off topic.

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Weighty Information

  • By Dudley Dawson
  • Updated: February 19, 2009

air yacht gross tonnage

ytgfeb09perf1.jpg

It all started with wine, and when we’re through here, you may be ready for a glass or two yourself. The subject is tons: short tons, long tons, metric tonnes, gross tons, net tons, displacement tons, deadweight tons, register tons, U.S. and international regulatory tons…and tuns. In the beginning, there were only tuns, which are large wooden casks of wine. Each had a capacity of four hogsheads or 252 gallons. Sailing ships were rated by how many tuns of wine they could carry, and were taxed accordingly.

At 252 gallons, a measure of volume, a tun-wine and wood included-is going to weigh a bit upwards of 2,200 pounds, a measure of weight. There’s the first problem. Some tons are volume, some are weight, and boat owners need to know the difference.

Short tons (ST) and long tons (LT) are common maritime measures in the U.S., and metric tons (MT), often spelled tonnes, are used elsewhere. All are measures of weight. A short ton, used ashore and for Great Lakes vessels, is 2,000 pounds. Long tons are the preferred measure for American seagoing ships, and are 2,240 pounds, about the weight of a tun of wine. Metric tonnes, at 2,205 pounds, are also in this range, but it’s coincidental. The weight of a metric tonne is based not on a tun of wine, but on the weight of one cubic meter or one thousand liters of fresh water. Oddly enough, this is 264 gallons, just a little larger than a tun, so the name stuck for the metric system, too.

Displacement tons and deadweight tons (DWT) are measures of weight, too, so they can be short, long, or metric. Displacement is, simply, the weight of the vessel in a given condition, so you’ll often see figures for light displacement, half-load displacement, or full-load displacement tonnage. Displacement tonnage can be determined by physically weighing the vessel (marine lift scales are notoriously inaccurate), or by measuring the draft of the vessel and using curves of form to derive the weight of water that the floating vessel displaces, hence the term displacement. Deadweight tons are the carrying capacity of commercial vessels, i.e. a 50,000 deadweight ton tanker can load up to 50,000 tons of oil before sinking to the loadline painted on its side.

Now comes the fun. Gross tons (GT) and net tons (NT), measures of volume, are used for register and regulatory purposes. Gross tonnage is what is referred to on 100-ton and 1,000-ton captain’s licenses. These are also used for customs, duties, and taxation. In the days of sailing ships and tuns, the agency that would eventually become the U. S. Coast Guard was the Revenue Cutter Service, and it existed not to guard the coast or to monitor oil spills, but to catch smugglers trying to avoid taxes.

When money and government are involved, anything can happen. Knowing today’s income tax code, imagine what over 200 years of laws, bureaucracy, and court rulings have done to the ship tonnage code. Like gross income and taxable income on your IRS form, there is gross tonnage, which is the total interior volume of the ship, calculated at 100 cubic feet per ton, and net tonnage, which takes into account various deductions and exemptions. But just what is total interior volume? Sometimes it’s measured to the hull of the vessel, sometimes to the smaller frames that support the hull plating, and sometimes to the larger stringers that support the smaller frames. Sometimes the deckhouse is included, sometimes not, and amazingly, that decision often depends on the type of bolts used to attach the doors or windows.

As bad as the U.S. tonnage code was, different codes existed in every maritime country-a mess. A few decades ago, the international community developed an international convention that standardized tonnage measurement around the world. That was the theory, but many safety regulations were based on register tonnage as determined under the old national rules, so you’ll find many ships with both a domestic (U.S.) regulatory tonnage rating and an international register tonnage rating. The system didn’t eliminate the complexity of the old one, it added to it. Determination of gross and net tonnage is best left to experts; as a naval architect, I don’t hesitate to hire a tonnage consultant.

Don’t want to keep these tonnages straight in your head? Remember that the tonnage shown on your documentation is not the weight of your yacht and has no correlation to it. Before you have your yacht hauled, know how much it weighs, in short, long, or metric tons, not its measure in gross or net tons. Or you’ll need a tun of wine to face the aftermath.

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air yacht gross tonnage

Ben Senior Member

I was wondering if someone could explain to me the different weight measurement methods used, and how they compare to each other. For example, Rising Sun's details are... Gross Tonnage : 7841 Net Tonnage : 2352 And Octopus's details are... Gross Registered Tonnage : 9932 mt Net Tonnage : 2979 mt Deadweight : 1570 mt At this point, my best guess is that GRT is the yachts weight including fluids, tenders/helicopters/submarines, etc. and that Net tonnage is the yachts weight 'dry'. But after seeing Deadweight, I need help. I'll assume that Displacement is simply the weight of the water that has been displaced to make way for the vessel. Please help!

cyd

cyd New Member

Grt GRT is based on volume of interior living (non machinery filled) spaces and has nothing to do with the actual weight of the yacht, hope this helps clarify why some GRT.s are very high.
Thanks for that cyd. I suppose that RS's large engine room would be a drawback in that case. When calculating GRT I wonder what they'd class as interior living (non machinery filled) on Octopus. I guess tender storage is not counted, nor would her giant fuel tanks be counted. What about her bridge or ROV control room. I suppose her recording studio would be counted in her GRT. El Salamah GRT 12,250!
I've found a site that has a pretty good go at explaining the different weight systems. I found it fairly usefull, but it is worded for the shipping industry, not for yachts. http://www.answers.com/main/ntquery?method=4&dsid=2222&dekey=Tonnage&curtab=2222_1 I'll continue looking for more relevant, precise wording. For example, what exactly is classed as "non-productive spaces" on a non charter taking megayacht?
This link provides the best explination yet of what the different weight types mean when comparing Megayachts. It's a couple of pages, but easy reading. http://www.oceannavigator.com/article.php?a=1315 "For a large cruise ship, however, all spaces normally used to house or accommodate passengers would be included in the net tonnage measurement" My current understanding is that tender/toy/etc storage isn't included in Net tonnage. Cinemas are in, as would be recording studios and all other areas used by passengers. So, despite all of the space Octopus devotes to tenders/toys/helicopters/etc, she still has about 25% more interiour space than Rising Sun. If my understanding of Net Tonnage is correct.

ESYD

ESYD Member Removed

Ben, The International Maritime Organization (IMO) held a "Tonnage Conference" in 1969 in London, England, from which was published "Tonnage Measurement of Ships." An earlier IMO document, "Tonnage Measurement--Treatment of Shelter-Deck and Other 'Open' Spaces" was published and adopted in 1964. These are both published as small booklets and are available from Bluewater Books in Ft. Lauderdale, FL. Their website is www.bluewaterweb.com , and the telephone number is 800-942-2583. The first booklet costs US$10.95, and the second one is US$6.00, very inexpensive. These books give the definitions and formulae for calculating gross tonnage and net tonnage. Collectively, they are referred to as "international tonnage" and are used for measuring vessels trading between countries. Gross and net tonnage, as mentioned above, are measures of the volumes of vessels, not the weight. The weight is the vessel's displacement, so called because the weight of the vessel "displaces" a volume of water equal to the vessel's own weight, which is, of course, Archimedes'
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  1. Everything You Need to Know About Gross Tonnage

    air yacht gross tonnage

  2. The 5 largest yachts by gross tonnage at the Monaco Yacht Show 2018

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  3. Amels Launched Espen Øino-designed 256-foot (78-meter) —its Largest To

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  4. The 5 largest yachts by gross tonnage at the Monaco Yacht Show 2018

    air yacht gross tonnage

  5. The 5 largest yachts by gross tonnage at the Monaco Yacht Show 2018

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  6. The world largest yacht by gross tonnage, Dilbar (ex. Project Omar) has

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COMMENTS

  1. AIR Yacht Charter Price

    AIR is a 81m luxury motor mega yacht available for charter built in 2011, refitted in 2017. Charter up to 12 guests in 7 cabins (1 Master, 1 VIP, 6 Double & 1 Twin) with a crew of 22. ... Gross Tonnage: 1,893 GT Cruising Speed: 15 Knots Built: 2011 | 2017 (Refitted) Builder: Feadship: Model: Custom ...

  2. AIR yacht (Feadship, 81m, 2011)

    AIR is a 81.0 m Motor Yacht, built in Netherlands by Feadship and delivered in 2011. ... She has a gross tonnage of 1893.0 GT and a 14.0 m beam. She was designed by Feadship De Voogt Naval Architects, who also completed the naval architecture.

  3. AIR, Yacht

    Vessel AIR (IMO 1011472, MMSI 248879000) is a Yacht built in 2011 and currently sailing under the flag of Malta. Map Vessels Photos Ports Containers News. Services. ... Yacht: Flag: Malta: Homeport: Gross Tonnage: 1893: Summer Deadweight (t)-Length Overall (m) 81: Beam (m) 12: Draught (m) Year of Build: 2011: Builder: Place of Build: Yard: TEU-

  4. Air Yacht Charter Specs

    AIR can accommodate 12 guests in 7 cabins. The Master cabin has a king size bed, bath/tub, shower and toilet. 5 Guest cabins have a queen size bed, shower and toilet. A Guest cabin has a twin bed, shower and toilet. AIR is fully air conditioned through out. Crew has a separate companionway, heads and shower.

  5. AIR YACHT FOR SALE

    The AIR yacht is a 265ft / 80.8m luxury yacht built and launched by yacht builder Feadship. Delivered to a proud yacht owner in 2011, this luxury yacht sleeps guests in 7 staterooms and has accommodations for 21 crew. She has a beam of 38ft / 11.6m, a draft of 11ft / 3.4m. Her hull is steel. Her max speed is 17 knots and cruising speed is 15 knots.

  6. Gross tonnage

    Gross tonnage is calculated by measuring a ship's volume (from keel to funnel, to the outside of the hull framing) and applying a mathematical formula. Gross tonnage ( GT, G.T. or gt) is a nonlinear measure of a ship's overall internal volume. Gross tonnage is different from gross register tonnage. [1] Neither gross tonnage nor gross register ...

  7. Yacht classification definitions

    The table below summarises how the conventions and relevant certificates come into force depending on the gross tonnage of the yacht. In particular, the following values may have a critical impact: 300GT: In many codes, when you reach this value the yacht must be certified in unrestricted service (stricter requirements regarding stability, load ...

  8. 50.0m Air Superyacht

    Design. Air measures 50 metres in length, with a max draft of 2.64 metres and a beam of 8.97 metres. She has a gross tonnage of 496 tonnes. She has a deck material of teak. Air has a steel hull with an aluminium superstructure. Her exterior design is by Stefano Natucci. Her interior design is by Terence Disdale.

  9. Air Yacht

    Air is a motor yacht with an overall length of m. The yacht's builder is Feadship from The Netherlands, who launched Air in 2011. The superyacht has a beam of m, a draught of m and a volume of . GT.. Air features exterior design by De Voogt Naval Architects and interior design by Rémi Tessier. Up to 14 guests can be accommodated on board the superyacht, Air, and she also has accommodation for ...

  10. Air Yacht

    In an uncompromising quest to achieve ultimate sailing efficiency and true luxury, the world's leading maritime architects, engineers and builders have come together to design the ultra-luxurious Air Yacht 80, built for extremely fast, high-performance blue-water cruising or lazy days anchored in secret bays. Designed for the discerning ...

  11. Tonnage

    Gross tonnage (GT) is a function of the volume of all of a ship's enclosed spaces (from keel to funnel) measured to the outside of the hull framing.The numerical value for a ship's GT is always smaller than the numerical values of gross register tonnage (GRT). Gross tonnage is therefore a kind of capacity-derived index that is used to rank a ship for purposes of determining manning, safety ...

  12. The 5 largest yachts by gross tonnage at the Monaco Yacht Show 2018

    After making her debut at last year's edition of the Monaco Yacht Show, the 92m/302ft motor yacht AQUARIUS is reappearing and takes fourth spot on the leaderboard for her gross tonnage.. The luxury yacht was designed by Feadship, and features immaculate interiors with accommodation for up to 14 guests. She is one of the most recent yachts to confirm her attendance at the event.

  13. Super Yacht Tonnage Explained. Gross Tons vs Gross Registered Tons?

    Quick Definitions. Gross Registered Tonnage (GRT) - A ship's total internal volume expressed in "register tons", each of which is equal to 100 cubic feet (2.83 m3). Gross register tonnage uses the total permanently enclosed capacity of the vessel as its basis for volume and was replaced by gross tonnage in 1982 under the Tonnage Measurement ...

  14. Cruise Ship Size Comparison, Dimensions

    GT is an index related to marine vessels' overall internal volume. According to Wikipedia's definition: "Gross Tonnage" (GT) calculations are based on the volume of all the ship's enclosed spaces. "Gross Register Tonnage" (GRT) is the vessel's total internal volume measured in "register tons" (each ton equals 100 ft3 / 2,83 m3).

  15. Value for Volume: Best Priced Yachts Per Gross Ton

    gross tonnage 492 PRICE PER GROSS TON €30,284 A price adjustment earlier this year makes ALL ABOUT U2 not just excellent value per gross ton, but worldwide best value, with fair room for negotiation, for a virtually brand new 50-metre yacht with huge volume and massive exterior real estate to accommodate Owners and guests, and host large parties.

  16. Crystal Cruises

    The 62-guest, 3,000-ton yacht is outfitted with features including a two-passenger submarine, four 10-passenger zodiacs for excursions, and a 12-passenger yacht tender for boating adventures. ... Gross tonnage Flag Notes Image Crystal Symphony: 1995: ... Ex Air Austral Boeing 777-200LR reg F-OLRA. Operated by Comlux. N947BA: 2016 Boeing: 2017 N/A

  17. Seamanship: Size Matters

    The Buckleys were 306 feet long with a displacement of 1,673 long tons. Those specs are a good benchmark, as the Buckleys are the smallest U.S. naval vessels to be considered ships. Next, consider the realm of U.S. Coast Guard licensing for the U.S. Merchant Marine. The licensing categories are based on gross register tonnage (GRT).

  18. Is GT just a gross misconception?

    Gross tonnage, the second figure quoted in most references to a yacht after LOA (length overall), is a measurement that traces its origin to the merchant fleet using the moulded volume of enclosed spaces of the ship. It may be, however, be an outdated measurement when simplistically attributing value to the user of a yacht. ...

  19. Calculating GRT for Mariner Credentials

    For a boat with a simple sailing hull, Gross Tonnage (GT) = (.5 x L x B x D) / 100**. Vessel Gross Tonnage Calculator. The USCG considers 1600 GRT equal to 3000 GT. And 500 GT = 200 GRT. See also 46 CFR 11.211 (h). Here is what I have used for CG 719S Sea Service Form.

  20. Dilbar (yacht)

    Dilbar (Persian: دلبر, literally "Beloved") is a super-yacht launched on 14 November 2015 at the German Lürssen shipyard and delivered in 2016. She was built as Project Omar.The interior design of Dilbar was designed by Andrew Winch and the exterior by Espen Oeino.. As of 2022, Dilbar is the sixth longest yacht in the world.At 15,917 gross tonnage (GT), she is the third largest yacht by ...

  21. Weighty Information

    Gross tonnage is what is referred to on 100-ton and 1,000-ton captain's licenses. These are also used for customs, duties, and taxation. In the days of sailing ships and tuns, the agency that would eventually become the U. S. Coast Guard was the Revenue Cutter Service, and it existed not to guard the coast or to monitor oil spills, but to ...

  22. Gross register tonnage

    Gross register tonnage (GRT, grt, g.r.t., gt), or gross registered tonnage, is a ship's total internal volume expressed in "register tons", each of which is equal to 100 cubic feet (2.83 m 3).Replaced by Gross Tonnage (GT), gross register tonnage uses the total permanently enclosed capacity of the vessel as its basis for volume. Typically this is used for dockage fees, canal transit fees, and ...

  23. Yacht weight measurements

    Gross Tonnage : 7841 Net Tonnage : 2352 And Octopus's details are... Gross Registered Tonnage : 9932 mt ... spaces and has nothing to do with the actual weight of the yacht, hope this helps clarify why some GRT.s are very high. Ben, Mar 26, 2006 #3. Ben Senior Member. Joined: Feb 9, 2005 Messages: 176 Location: Melbourne Australia.