from Starship Design – Interstellar Forum for Naval Power – Todd Guenther – Devon Aurora Publications
| Construction Data: | ||||
| Model – | Mk I | Mk II | Mk III | Mk IV |
| Ship Class – | XII | XII | XII | XII |
| Date Entering Service – | 2281 | 2287 | 2315 | 2354 |
| Number Constructed – | 17 | 21 | 2 | Refit |
| Hull Data: | ||||
| Superstructure Points – | 54 | 54 | 58 | 60 |
| Damage Chart – | C | C | C | C |
| Size: | ||||
| Length – | 290 m | 290 m | 290 m | 290 m |
| Width – | 141 m | 141 m | 141 m | 141 m |
| Height – | 67 m | 67 m | 67 m | 67 m |
| Weight – | 193,869 mt | 200,760 mt | 207,245 mt | 208,843 mt |
| Cargo: | ||||
| Total SCU – | 550 SCU | 550 SCU | 550 SCU | 550 SCU |
| Cargo Capacity – | 27,500 mt | 27,500 mt | 27,500 mt | 27,500 mt |
| Landing Capacity – | None | None | None | None |
| Equipment Date: | ||||
| Control Computer Type – | M-6a | M-7 | M-7a | I-6a |
| Transporters: | ||||
| Standard 6-person – | 4 | 4 | 4 | 4 |
| Combat 20-person – | 2 | 2 | 2 | 2 |
| Emergency 22-person – | 5 | 5 | 5 | 5 |
| Cargo – | 4 | 4 | 4 | 4 |
| Other Data: | ||||
| Crew – | 490 | 496 | 508 | 522 |
| Troops – | 60 | 60 | 60 | 60 |
| Passengers – | 20 | 20 | 20 | 20 |
| Shuttlecraft – | 32 | 32 | 32 | 32 |
| Engines And Power Data: | ||||
| Total Power Units Available – | 76 | 76 | 84 | 84 |
| Movement Point Ratio – | 4/1 | 4/1 | 4/1 | 4/1 |
| Warp Engine Type – | FWG-1 | FWG-1 | FWG-1 | FWG-1 |
| Number – | 2 | 2 | 2 | 2 |
| Power Units Available – | 26 ea. | 26 ea. | 26 ea. | 26 ea. |
| Stress Chart – | D/F | D/F | D/F | D/F |
| Max Safe Cruising Speed – | Warp 8 | Warp 8 | Warp 8 | Warp 7 |
| Emergency Speed – | Warp 10 | Warp 10 | Warp 10 | Warp 9 |
| Impulse Engine Type – | FIG-1 | FIG-1 | FIG-2 | FIG-2 |
| Power Units Available – | 24 | 24 | 32 | 32 |
| Weapons And Firing Data: | ||||
| Beam Weapon Type – | FH-10 | FH-11 | FH-18 | FNH-18 |
| Number – | 8 | 8 | 8 | 8 |
| Firing Arcs – | 2 f/p, 2 f, 2 f/s, 1 p/a, 1 s/a | 2 f/p, 2 f, 2 f/s, 1 p/a, 1 s/a | 2 f/p, 2 f, 2 f/s, 1 p/a, 1 s/a | 2 f/p, 2 f, 2 f/s, 1 p/a, 1 s/a |
| Firing Chart – | W | Y | Y | Y |
| Maximum Power – | 7 | 10 | 12 | 15 |
| Damage Modifiers: | ||||
| +3 | (1-10) | (1-10) | (1-10) | (1-14) |
| +2 | (11-17) | (11-17) | (11-17) | (15-20) |
| +1 | (18-20) | (18-24) | (18-24) | (21-24) |
| Beam Weapon Type – | FMH-4 | FMH-8 | FMH-9 | FMH-10 |
| Number – | 2 | 2 | 2 | 2 |
| Firing Arcs – | 2 f/a | 2 f/a | 2 f/a | 2 f/a |
| Firing Chart – | S | S | T | V |
| Maximum Power – | 16 | 20 | 25 | 28 |
| Damage Modifiers: | ||||
| +3 | (1-8) | (1-8) | (1-5) | (1-10) |
| +2 | (9-14) | (9-14) | (6-12) | (11-16) |
| +1 | (15-18) | (15-18) | (13-18) | (17-21) |
| Torpedo Weapon Type – | FP-4 | FP-4 | FP-9 | FP-22 |
| Number – | 2 | 2 | 2 | 2 |
| Firing Arcs – | 2 f | 2 f | 2 f | 2 f |
| Firing Chart – | S | S | R | R |
| Power to Arm – | 1 | 1 | 1 | 1 |
| Damage – | 20 | 20 | 28 | 35 |
| Shield Data: | ||||
| Deflector Shield Type – | FSP | FSS | FSQ | FSU |
| Shield Point Ratio – | 1/4 | 1/4 | 1/4 | 1/4 |
| Maximum Shield Power – | 16 | 20 | 30 | 50 |
| Combat Efficiency: | ||||
| D – | 209.2 | 213.2 | 246.9 | 277.8 |
| WDF – | 107.2 | 139.6 | 168.6 | 207.6 |