design concept from Todd Guenther – Mastercom Data Center – Ships of the Star Fleet, Volume 1
NOTES:
| Construction Data: | |||
| Model Number — | Mk I | Mk II | Mk III |
| Ship Class — | XII | XII | XII |
| Date Entering Service — | 2293 | 2318 | 2354 |
| Number Constructed — | 8 | Refit | Refit |
| Hull Data: | |||
| Superstructure Points — | 48 | 50 | 54 |
| Damage Chart — | C | C | C |
| Size: | |||
| Length — | 377 m | 377 m | 377 m |
| Width — | 202.7 m | 202.7 m | 202.7 m |
| Height — | 65.9 m | 65.9 m | 65.9 m |
| Weight — | 194,980 mt | 198,645 mt | 207,769 mt |
| Cargo: | |||
| Cargo Units — | 764 SCU | 764 SCU | 764 SCU |
| Cargo Capacity — | 38,200 mt | 38,200 mt | 38,200 mt |
| Landing Capacity — | None | None | None |
| Equipment Date: | |||
| Control Computer Type — | M-8 | M-8 | I-8a |
| Transporters: | |||
| Standard 6-person — | 6 | 6 | 6 |
| Combat 20-person — | 2 | 2 | 2 |
| Emergency 22-person — | 5 | 5 | 5 |
| Cargo — | 4 | 4 | 4 |
| Other Data: | |||
| Crew — | 593 | 593 | 593 |
| Troops — | 60 | 60 | 60 |
| Passengers — | 45 | 45 | 45 |
| Shuttlecraft — | 14 | 14 | 14 |
| Engines And Power Data: | |||
| Total Power Units Available — | 88 | 88 | 88 |
| Movement Point Ratio — | 4/1 | 5/1 | 5/1 |
| Warp Engine Type — | FWG-1 | FWG-1 | FWG-1 |
| Number — | 2 | 2 | 2 |
| Power Units Available — | 26 ea. | 26 ea. | 26 ea. |
| Stress Charts — | D/F | D/F | D/F |
| Max Safe Cruising Speed — | Warp 8 | Warp 8 | Warp 8 |
| Emergency Speed — | Warp 10 | Warp 10 | Warp 10 |
| Impulse Engine Type — | FIH-2 | FIH-2 | FIH-2 |
| Power Units Available — | 36 | 36 | 36 |
| Weapons And Firing Data: | |||
| Beam Weapon Type — | FH-11 | FH-18 | FNH-28 |
| Number — | 12 | 12 | 12 |
| Firing Arcs — | 2 f/p, 2 f, 2 f/s, 1 f/p/a, | 2 f/p, 2 f, 2 f/s, 1 f/p/a, | 2 f/p, 2 f, 2 f/s, 1 f/p/a, | Firing Arcs — | 1 f/s/a, 1 p/a, 1 s/a | 1 f/s/a, 1 p/a, 1 s/a | 1 f/s/a, 1 p/a, 1 s/a |
| Firing Chart — | Y | Y | Y |
| Maximum Power — | 10 | 12 | 20 |
| Damage Modifiers: | |||
| +3 | (1-10) | (1-10) | (-) |
| +2 | (11-17) | (11-17) | (-) |
| +1 | (18-24) | (18-24) | (1-22) |
| Torpedo Weapon Type — | FP-4 | FP-9 | FP-22 |
| Number — | 3 | 3 | 3 |
| Firing Arcs — | 2 f | 2 f | 2 f |
| Firing Chart — | S | R | R |
| Power to Arm — | 1 | 1 | 1 |
| Damage — | 20 | 28 | 35 |
| Shield Data: | |||
| Deflector Shield Type — | FSS | FSQ | FSU |
| Shield Point Ratio — | 1/4 | 1/4 | 1/4 |
| Maximum Shield Power — | 20 | 30 | 50 |
| Combat Efficiency: | |||
| D — | 222.6 | 215.5 | 249.2 |
| WDF — | 165.9 | 199.8 | 278.4 |