A size class is a numerical scale for rating the relative sizes and capabilities of ships. Two different size class ratings have been created for licensed Star Trek works.

FASA[edit | edit source]

FASA's scale comes from its RPG's Ship Construction Manual, and rates ships in terms of their mass in metric tons. It is merely an indicator of size/mass. Combat Efficiency was a separate rating to compare relative combat strengths.

  • Class: Mass (mt)
    • I: 0-5
    • II: 5-15
    • III: 15-25
    • IV: 25-40
    • V: 40-60
    • VI: 60-80
    • VII: 80-100
    • VIII: 100-120
    • IX: 120-140
    • X: 140-160
    • XI: 160-180
    • XII: 180-210
    • XIII: 210-240
    • XIV: 240-300
    • XV: 300-350
    • XVI: 350-400
    • XVII: 400-450
    • XVIII: 450-500
    • XIX: 500-600
    • XX: 600-700

DS9 video game: Dominion Wars[edit | edit source]

The Dominion Wars computer game used a much simpler scale, from Class-1 to Class-5, which was much more specialized towards particular combat vessels:


Starship classification
By type argosyassault cruiserassault shipattack cruiserattack fighterbattlecruiserbattle frigatebattleshipbird-of-preybombercargo transportcarriercolony shipcombat support tendercommand battlecruiserconstruction shipcorsaircorvettecouriercruisercutterdestroyerdreadnoughtescortexplorerfast attack shipfast cruiserflagshipfreighterfrigatefuel transportgunboatheavy cruiserheavy destroyerheavy escorthospital shipin-system courierliaison cutterlight cruiserlight frigatemedical frigatemedium cruisermining freightermissile cruisermonitormulti-mission explorerpassenger linerpatrol cruiserpersonnel carrierpilot escortprison bargerepair tenderresearch vesselresearch cruiserrunaboutscoutsleeper shipstar battleshipstar cruiserstrike cruisersuper carriersuper-heavy cruisersupport frigatesurveyortankertendertimeshiptransporttroop transporttugwarbirdwarpshuttleweapon ship
Alphanumeric IIIIIIIVVVIVIIVIIIIXXXIXIIXIIIXIVXVXVI


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