Size-Role Classification

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Line Combatants (Primary - Capital) Escort Combatants (Secondary - Subcapital) Military Auxiliary (Tertiary)
B-
Battleship 		C-
Cruiser 		O-
Ortillery 		V-
Carrier 		D-
Destroyer 		E-
Escort 		F-
Fighter 		H-
Defense/Security 		I-
Combat Transport 		Q-
Combat Support 		S-
Scout 		U-
Utility 		X-
Commo 		Z-
Special
Mercantile Commercial Ships (Trade & Profit) Non-Mercantile Commercial Ships (Industry & Profit) Non-Commercial Ships (Nonprofit) System Craft (Intrastellar)
A-
Tramp 		M-
Freighter 		R-
Liner 		T-
Transport 		G-
Industrial 		J-
Prospector 		K-
Expedition 		P-
Corsair 		U-
Utility 		L-
Science 		N-
Medical 		Y-
Private 		WB-
Barge 		WA-
Satellite 		WO-
Space Station

The Size-Role Classification, often abbreviated as Size-Cat or Size-cat, is a measure of a ship's size in tonnage and its rough correspondence with its mission roles, logistics, and other vessel characteristics.

Technical Data.jpg

Please refer to the following AAB Library Data for more information:
Starship:

  • Speed of Travel
    • NAFAL (STL) - (Not As Fast As Light) / (Slower Than Light)
    • Light Speed (c)
    • FTL - (Faster Than Light) - "Superluminal"
    » Imperial Standard Astronomical Unit
    » Solomani Parsec
    » Vilani Parsec ("Deshi")
    » Imperial Standard Parsec


    Description (Specifications)

    No information yet available.

    Generalized Size Classes

    1. Smallcraft
    2. Bigcraft
    3. Adventure Class Ship
    4. Battle Class Ship
    5. Fleet Class Ship
    6. World Class Ship

    Naval Ship Synopsis by Size-Role

    Ship Classification by Size
    # Type Tonnage Examples Remarks
    1. Smallcraft 0 - 99 tons Smallcraft are typically Subcraft, designed to be carried by carrier craft.
    • Small/Light ACS Craft
    • Ship-Type Code "Q-"
    2. Spacecraft 100 tons
    or larger     		Spacecraft are in-system vessels, lacking interstellar drives. (Occasionally known as "Bigcraft" or "Spaceships" or "System Ships")
    3. Starships 100 tons
    or larger     		Starships are vessels with interstellar drives. (Occasionally known as "Largecraft")
    4. Adventure Class Ships (ACS) 10 tons
    -
    2,400 tons     		Adventure Class Ships are usually jump-capable.
    • Small Adventure Class (Small ACS): 10 ton - 100 ton ("Smallcraft")
    • "Standard" Adventure Class (Small ACS): 100 ton - 1000 ton
    • Large Adventure Class (Large ACS): 1000 ton - 2400 ton ("Very Light" Battle Class Ships (BCS))
    5. Battle Class Ships (BCS)
    Capital Class Ships (CCS)     		2,500 tons
    -
    250 ktons     		Battle Class Ships are warships and comprise both smaller Capital Primary Warships as well as Subcapital Secondary Warships that include Cruisers & Fleet Escorts. They are usually jump-capable.
    • Civilian corporate concerns may use the term Bulk Class Ships for vessels they field in this size category.
    • Such ships require major investment and only service major roles including megacorporate interstellar trade, warships, Capital Ships, and major endeavors.
    » "Subcapital Ships": Escort Cruisers: Provincial/Colonial Cruisers; Heavy System Defense Boats
    • Small Battle Class 2 ("Light" BCS): 2,500-ton - 10-kton
    » "Subcapital Ships": Fleet Escorts; System Defense Cruisers
    • "Standard'" Battle Class ("Standard" BCS): 10-kton - 100-kton
    » "Subcapital Ships": Cruisers (Fleet & Independent); System Dominance Vessels; System Monitors
    » "Light & Standard Capital Ships / Battleships"; "Supermonitors"
    * Capital Class Ships (CCS) 100 ktons
    -
    250 ktons     		The Higher End of Battle Class Ships and the Lower End of Fleet Class Ships (100,000 - 250,000 tons) have had varying categorizations to various commentators. The category is generally seen to overlap both, depending upon one's chosen definition of Battle Class and Fleet Class. [1]
    6. Capital Class Ships (CCS)
    Fleet Class Ships (FCS)     		100 ktons
    -
    1 Mton     		Fleet Class Ships are Capital Primary Warships. They are usually jump-capable.
    • Such ships require major investment and only service major roles including major megacorporate interstellar trade and capital projects, Heavy Capital Warships, and other similar major endeavors.
    7. World Class Ships (WCS) > 1 Mton Loeskalth planetoid generation ship. World Class Ships are beyond expensive and represent suprapolity-level investment.
    • They take many years to build.
    • This class represents immense World-Ships, very large Super Dreadnoughts, Superweapons, etc.
    • Operational staff are typically residents as much as crew.
    • These ships are interacted with as worlds or events, rather than ships.
    • Small World Class 1 ("Very Light" WCS): 100-kton - 250-kton ( = "Capital Class Ships" (CCS): "Heavy" Battle Class Ships (BCS))
    • Small World Class 2 ("Light" WCS): 250-kton - 1-Mton ( = "Fleet Class Ships" (FCS))
    • "Standard" World Class ("Standard" WCS): 1-Mton - 10-Mton
    • Large World Class ("Heavy" WCS): 10-Mton - 25-Mton +

    History & Background (Dossier)

    No information yet available.

    Different Naval Understandings

    No information yet available.

    Miniaturization Trends Within Charted Space

    No information yet available.

    Tonnage Weighting Expectations by Tech Epoch

    No information yet available.

    References & Contributors (Sources)

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    This list of sources was used by the Traveller Wiki Editorial Team and individual contributors to compose this article. Copyrighted material is used under license from Mongoose Publishing or by permission of the author. The page history lists all of the contributions.
    1. ↑ T5.10 Book 2, p.31 defines the BCS range as 2,500 tons - 100 ktons and the FCS range as > 100 ktons, whereas the MgT2 Starship Operators Manual, p.6 defines the BCS range as 2,500 tons - 250 ktons and the FCS range as 250 ktons - 1 Mton. The Capital Class (CCS) range is introduced here to define the overlap (100 ktons - 250 ktons). - WHULorigan
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