design from Star Trek: The Motion Picture, Alan Dean Foster & Robert Wise
| Construction Data: | ||||
| Model – | Mk I | Mk II | Mk III | Mk IV |
| Ship Class – | XII | XII | XII | XII |
| Date Entering Service – | 2289 | 2310 | 2348 | 2369 |
| Number Constructed – | 11 | Refit | Refit | Refit |
| Hull Data: | ||||
| Superstructure Points – | 40 | 42 | 50 | 52 |
| Damage Chart – | C | C | C | C |
| Size: | ||||
| Length – | 304.8 m | 304.8 m | 304.8 m | 304.8 m |
| Width – | 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 |
| Weight – | 181,178 mt | 184,025 mt | 207,600 mt | 200,604 mt |
| Cargo: | ||||
| Total SCU – | 510 SCU | 510 SCU | 510 SCU | 510 SCU |
| Cargo Capacity – | 25,500 mt | 25,500 mt | 25,500 mt | 25,500 mt |
| Landing Capacity – | None | None | None | None |
| Equipment Date: | ||||
| Control Computer Type – | M-8 | M-8 | M-9A | I-8 |
| Transporters: | ||||
| Standard 6-person – | 4 | 4 | 4 | 4 |
| Emergency 22-person – | 4 | 4 | 4 | 4 |
| Cargo – | 4 | 4 | 4 | 4 |
| Other Data: | ||||
| Crew – | 495 | 495 | 498 | 437 |
| Passengers – | 60 | 60 | 60 | 60 |
| Shuttlecraft – | 12 | 12 | 12 | 12 |
| Engines And Power Data: | ||||
| Total Power Units Available – | 72 | 76 | 82 | 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 8 |
| Emergency Speed – | Warp 10 | Warp 10 | Warp 10 | Warp 10 |
| Impulse Engine Type – | FIF-3 | FIG-1 | FIJ-3 | FIJ-4 |
| Power Units Available – | 20 | 24 | 30 | 32 |
| Weapons And Firing Data: | ||||
| Beam Weapon Type – | FH-11 | FH-11 | FNH-19 | FNH-29 |
| Number – | 6 | 6 | 6 | 6 |
| Firing Arcs – | 2 f/p, 2 f, 2 f/s | 2 f/p, 2 f, 2 f/s | 2 f/p, 2 f, 2 f/s | 2 f/p, 2 f, 2 f/s |
| Firing Chart – | Y | Y | Y | Y |
| Maximum Power – | 10 | 10 | 16 | 21 |
| Damage Modifiers: | ||||
| +3 | (1-10) | (1-10) | (1-14) | (-) |
| +2 | (11-17) | (11-17) | (15-20) | (-) |
| +1 | (18-24) | (18-24) | (21-24) | (1-22) |
| Beam Weapon Type – | FH-9 | FH-10 | FH-14 | FNH-9 |
| Number – | 6 | 6 | 6 | 6 |
| Firing Arcs – | 2 f/p/a, 2 f/s/a, 2 a | 2 f/p/a, 2 f/s/a, 2 a | 2 f/p/a, 2 f/s/a, 2 a | 2 f/p/a, 2 f/s/a, 2 a |
| Firing Chart – | X | W | T | W |
| Maximum Power – | 6 | 7 | 12 | 12 |
| Damage Modifiers: | ||||
| +3 | (-) | (1-10) | (-) | (1-7) |
| +2 | (1-12) | (11-17) | (1-10) | (8-15) |
| +1 | (13-22) | (18-20) | (11-18) | (16-20) |
| Torpedo Weapon Type – | FP-4 | FP-9 | FP-11 | FP-23 |
| Number – | 2 | 2 | 2 | 2 |
| Firing Arcs – | 2 f | 2 f | 2 f | 2 f |
| Firing Chart – | S | R | S | S |
| Power to Arm – | 1 | 1 | 1 | 1 |
| Damage – | 20 | 28 | 30 | 36 |
| Shield Data: | ||||
| Deflector Shield Type – | FSS | FSQ | FST | FSV |
| Shield Point Ratio – | 1/4 | 1/4 | 1/4 | 1/4 |
| Maximum Shield Power – | 20 | 30 | 45 | 56 |
| Combat Efficiency: | ||||
| D – | 187.2 | 212.1 | 253.5 | 274.4 |
| WDF – | 125.2 | 141.4 | 185.2 | 222 |