from Starfleet Prototype – The Journal of Innovative Design and Ideas, David Schmidt & Mastercom Data Center
| Construction Data: | |||||
| Model Number — | Mk I | Mk II | Mk III | MK IV | Mk V |
| Ship Class — | XII | XII | XII | XII | XII |
| Date Entering Service — | 2285 | 2294 | 2300 | 2339 | 2357 |
| Number Constructed — | 28 | 8 | 4 | Refit | Refit |
| Hull Data: | |||||
| Superstructure Points — | 52 | 52 | 52 | 52 | 55 |
| Damage Chart — | C | C | C | C | C |
| Size: | |||||
| Length — | 290 m | 290 m | 290 m | 290 m | 290 m |
| Width — | 141.7 m | 141.7 m | 141.7 m | 141.7 m | 141.7 m |
| Height — | 71.3 m | 71.3 m | 71.3 m | 71.3 m | 71.3 m |
| Weight — | 197,210 mt | 197,203 mt | 198,545 mt | 207,060 mt | 204,574 mt |
| Cargo: | |||||
| Cargo Units — | 640 SCU | 640 SCU | 640 SCU | 640 SCU | 640 SCU |
| Cargo Capacity — | 32,000 mt | 32,000 mt | 32,000 mt | 32,000 mt | 32,000 mt |
| Landing Capacity — | None | None | None | None | None |
| Equipment Date: | |||||
| Control Computer Type — | M-7 | M-7A | M-8 | M-9A | I-8 |
| Transporters: | |||||
| Standard 6-person — | 4 | 4 | 4 | 4 | 4 |
| Emergency 22-person — | 4 | 4 | 4 | 4 | 4 |
| Cargo — | 3 | 3 | 3 | 3 | 3 |
| Other Data: | |||||
| Crew — | 490 | 490 | 490 | 490 | 490 |
| Passengers — | 60 | 60 | 60 | 60 | 60 |
| Shuttlecraft — | 12 | 12 | 12 | 12 | 12 |
| Engines And Power Data: | |||||
| Total Power Units Available — | 68 | 72 | 76 | 84 | 84 |
| Movement Point Ratio — | 4/1 | 4/1 | 4/1 | 4/1 | 4/1 |
| Warp Engine Type — | FWG-1 | FWG-1 | FWG-1 | FWG-1 | FWG-1 |
| Number — | 2 | 2 | 2 | 2 | 2 |
| Power Units Available — | 26 ea. | 26 ea. | 26 ea. | 26 ea. | 26 ea. |
| Stress Charts — | D/F | D/F | D/F | D/F | D/F |
| Max Safe Cruising Speed — | Warp 8 | Warp 8 | Warp 8 | Warp 8 | Warp 8 |
| Emergency Speed — | Warp 10 | Warp 10 | Warp 10 | Warp 10 | Warp 10 |
| Impulse Engine Type — | FIE-3 | FIF-3 | FIG-1 | FIG-2 | FIG-2 |
| Power Units Available — | 16 | 20 | 24 | 32 | 32 |
| Weapons And Firing Data: | |||||
| Beam Weapon Type — | FH-10 | FH-10 | FH-10 | FH-10 | FH-18 |
| Number — | 10 | 10 | 10 | 10 | 10 |
| Firing Arcs — | 2 f/p, 3 f, 2 f/s, | 2 f/p, 3 f, 2 f/s, | 2 f/p, 3 f, 2 f/s, | 2 f/p, 3 f, 2 f/s, | 2 f/p, 3 f, 2 f/s, |
| 1 p/a/s, 2 a | 1 p/a/s, 2 a | 1 p/a/s, 2 a | 1 p/a/s, 2 a | 1 p/a/s, 2 a | |
| Firing Chart — | W | W | W | W | Y |
| Maximum Power — | 7 | 7 | 7 | 7 | 12 |
| Damage Modifiers: | |||||
| +3 | (1-10) | (1-10) | (1-10) | (1-10) | (1-10) |
| +2 | (11-17) | (11-17) | (11-17) | (11-17) | (11-17) |
| +1 | (18-20) | (18-20) | (18-20) | (18-20) | (18-24) |
| Beam Weapon Type — | FMH-6 | FMH-8 | FMH-9 | FMH-10 | FMH-11 |
| Number — | 2 | 2 | 2 | 2 | 2 |
| Firing Arcs — | 2 f/a | 2 f/a | 2 f/a | 2 f/a | 2 f/a |
| Firing Chart — | P | S | T | V | X |
| Maximum Power — | 18 | 20 | 25 | 28 | 30 |
| Damage Modifiers: | |||||
| +3 | (1-5) | (1-8) | (1-5) | (1-10) | (1-7) |
| +2 | (6-12) | (9-14) | (6-12) | (11-16) | (8-15) |
| +1 | (13-18) | (15-16) | (13-18) | (17-21) | (16-22) |
| Torpedo Weapon Type — | FP-4 | FP-4 | FP-9 | FP-9 | FP-21 |
| Number — | 4 | 4 | 4 | 4 | 4 |
| Firing Arcs — | 4 f | 4 f | 4 f | 4 f | 4 f |
| Firing Chart — | S | S | R | R | O |
| Power to Arm — | 1 | 1 | 1 | 1 | 1 |
| Damage — | 20 | 20 | 28 | 28 | 32 |
| Shield Data: | |||||
| Deflector Shield Type — | FSS | FSQ | FSQ | FST | FSU |
| Shield Point Ratio — | 1/4 | 1/4 | 1/4 | 1/4 | 1/4 |
| Maximum Shield Power — | 20 | 30 | 30 | 45 | 50 |
| Combat Efficiency: | |||||
| D — | 198.4 | 220.4 | 226.4 | 258.4 | 270.7 |
| WDF — | 145.6 | 152 | 174.8 | 182.2 | 241.8 |