NOTES:
1 Version 4 and 13 Version 5s remain in active service. 2 Version 4s and 2 Version 5s are in reserve fleets. 1 Version 3 has been destroyed. 4 Version 3s and 2 Version 4s have been traded. 2 Version 3s, 4 Version 4s and 3 Version 5s have been sold.
| Construction Data: | |||||
| Model Number — | Version 1 | Version 2 | Version 3 | Version 4 | Version 5 |
| Ship Class — | X | X | X | X | X |
| Date Entering Service — | 2248 | 2254 | 2274 | 2286 | 2341 |
| Number Constructed — | 6 | 13 | 8 | 7 | Refit |
| Hull Data: | |||||
| Superstructure Points — | 32 | 32 | 38 | 38 | 40 |
| Damage Chart — | C | C | C | C | C |
| Size: | |||||
| Length — | 648 m | 648 m | 648 m | 648 m | 648 m |
| Width — | 386 m | 386 m | 386 m | 386 m | 386 m |
| Height — | 240 m | 240 m | 240 m | 240 m | 240 m |
| Weight — | 140,669 mt | 143,592 mt | 151,325 mt | 150,785 mt | 158,263 mt |
| Cargo: | |||||
| Cargo Units — | 140 SCU | 140 SCU | 140 SCU | 140 SCU | 140 SCU |
| Cargo Capacity — | 7,000 mt | 7,000 mt | 7,000 mt | 7,000 mt | 7,000 mt |
| Landing Capacity — | None | None | None | None | None |
| Equipment Date: | |||||
| Control Computer Type — | VMC-9 | VMC-10 | VMC-11 | VMC-11 | VMC-14 |
| Transporters: | |||||
| Standard 6-person — | 3 | 3 | 3 | 3 | 3 |
| Emergency 12-person — | 6 | 6 | 6 | 6 | 6 |
| Cargo — | 2 | 2 | 2 | 2 | 2 |
| Other Data: | |||||
| Crew — | 264 | 269 | 275 | 288 | 300 |
| Passengers — | 25 | 25 | 25 | 25 | 25 |
| Shuttlecraft — | 8 | 8 | 8 | 8 | 8 |
| Engines And Power Data: | |||||
| Total Power Units Available — | 39 | 51 | 60 | 60 | 60 |
| Movement Point Ratio — | 4/1 | 4/1 | 4/1 | 4/1 | 4/1 |
| Warp Engine Type — | VWD-1 | VWD-2 | VWF-2 | VWF-2 | VWF-2 |
| Number — | 2 | 2 | 2 | 2 | 2 |
| Power Units Available — | 16 ea. | 18 ea. | 21 ea. | 21 ea. | 21 ea. |
| Stress Charts — | F/G | F/G | F/G | F/G | F/G |
| Max Safe Cruising Speed — | Warp 6 | Warp 6 | Warp 7 | Warp 7 | Warp 7 |
| Emergency Speed — | Warp 7 | Warp 7 | Warp 8 | Warp 8 | Warp 8 |
| Impulse Engine Type — | VIF-1 | VIF-2 | VIF-3 | VIF-3 | VIF-3 |
| Power Units Available — | 7 | 15 | 18 | 18 | 18 |
| Weapons And Firing Data: | |||||
| Beam Weapon Type — | VH-3 | VH-5 | VH-10 | VH-13 | VH-16 |
| Number — | 8 | 8 | 8 | 8 | 8 |
| Firing Arcs — | 2 f/p, 2 f/s, 2 p/f/s, | 2 f/p, 2 f/s, 2 p/f/s, | 2 f/p, 2 f/s, 2 p/f/s, | 2 f/p, 2 f/s, 2 p/f/s, | 2 f/p, 2 f/s, 2 p/f/s, |
| 1 p/a, 1 s/a | 1 p/a, 1 s/a | 1 p/a, 1 s/a | 1 p/a, 1 s/a | 1 p/a, 1 s/a | |
| Firing Chart — | I | Q | V | W | U |
| Maximum Power — | 2 | 5 | 7 | 6 | 14 |
| Damage Modifiers: | |||||
| +3 | (1-7) | (1-6) | (1-8) | (1-12) | (1-7) |
| +2 | (8-9) | (7-12) | (9-18) | (13-17) | (8-14) |
| +1 | (10-12) | (13-14) | (19-21) | (18-20) | (15-20) |
| Torpedo Weapon Type — | VP-3 | VP-5 | VP-8 | VP-9 | VP-12 |
| Number — | 2 | 2 | 2 | 2 | 2 |
| Firing Arcs — | 2 f | 2 f | 2 f | 2 f | 2 f |
| Firing Chart — | Q | R | T | R | Q |
| Power to Arm — | 1 | 1 | 1 | 1 | 1 |
| Damage — | 10 | 14 | 18 | 20 | 26 |
| Shield Data: | |||||
| Deflector Shield Type — | VSB | VSC | VSN | VSQ | VSS |
| Shield Point Ratio — | 1/2 | 1/3 | 1/4 | 1/4 | 1/4 |
| Maximum Shield Power — | 9 | 10 | 16 | 21 | 33 |
| Combat Efficiency: | |||||
| D — | 86.8 | 114.8 | 162.3 | 170.3 | 191.2 |
| WDF — | 23.8 | 49.4 | 74.8 | 76.6 | 114.8 |