NOTES:
Known Sphere Of Operation: Coalition-wide use
Data Reliability: C for all models
Major Data Source: Variant 1, 3 and 4 in Star Fleet possession, Tzenkethi Sector Intelligence
16 Variant 1s have been destroyed. 2 Variant 1s have been captured. 2 Variant 1s have been scrapped. 12 Variant 2s have been destroyed. 1 Variant 2 is listed as missing. 4 Variant 2s have been scrapped. 7 Variant 3s have been destroyed. 1 Variant 3 has been captured. 2 Variant 3s have been scrapped.
| Construction Data: | ||||
| Model – | Variant 1 | Variant 2 | Variant 3 | Variant 4 |
| Ship Class – | XII | XII | XII | XII |
| Date Entering Service – | 2303 | 2319 | 2342 | 2360 |
| Number Constructed – | 112 | 195 | 144 | 26 |
| Hull Data: | ||||
| Superstructure Points – | 52 | 52 | 52 | 52 |
| Damage Chart – | B | B | B | B |
| Size: | ||||
| Length – | 411.4 m | 411.4 m | 411.4 m | 411.4 m |
| Width – | 166.4 m | 166.4 m | 166.4 m | 166.4 m |
| Height – | 166.4 m | 166.4 m | 166.4 m | 166.4 m |
| Weight – | 196,104 mt | 199,456 mt | 202,948 mt | 207,723 mt |
| Cargo: | ||||
| Total SCU – | 463 SCU | 463 SCU | 463 SCU | 463 SCU |
| Cargo Capacity – | 23,150 mt | 23,150 mt | 23,150 mt | 23,150 mt |
| Landing Capacity – | None | None | None | None |
| Equipment Date: | ||||
| Control Computer Type – | TZC-G3 | TZC-G4 | TZC-H1 | TZC-I1 |
| Transporters: | ||||
| Standard 5-person – | 4 | 4 | 4 | 4 |
| Emergency 13-person – | 2 | 3 | 3 | 3 |
| Cargo – | 4 | 4 | 4 | 4 |
| Other Data: | ||||
| Crew – | 364 | 370 | 376 | 385 |
| Passengers – | 34 | 35 | 35 | 36 |
| Shuttlecraft – | 6 | 6 | 6 | 6 |
| Engines And Power Data: | ||||
| Total Power Units Available – | 71 | 91 | 99 | 102 |
| Movement Point Ratio – | 5/1 | 5/1 | 5/1 | 5/1 |
| Warp Engine Type – | TZWF-2 | TZWF-3 | TZWF-3 | TZWF-3 |
| Number – | 2 | 2 | 2 | 2 |
| Power Units Available – | 24 ea. | 30 ea. | 30 ea. | 30 ea. |
| Stress Chart – | E/G | E/G | E/G | E/G |
| Max Safe Cruising Speed – | Warp 7 | Warp 7 | Warp 7 | Warp 7 |
| Emergency Speed – | Warp 8 | Warp 9 | Warp 9 | Warp 9 |
| Impulse Engine Type – | TZIF-4 | TZIG-1 | TZIG-2 | TZII-1 |
| Power Units Available – | 23 | 31 | 39 | 42 |
| Weapons And Firing Data: | ||||
| Beam Weapon Type – | TZH-20 | TZH-21 | TZH-25 | TZH-25 |
| Number – | 8 | 8 | 8 | 8 |
| Firing Arcs – | 2 f, 2 f/p/a, 2 f/s/a, 2 a | 2 f, 2 f/p/a, 2 f/s/a, 2 a | 2 f, 2 f/p/a, 2 f/s/a, 2 a | 2 f, 2 f/p/a, 2 f/s/a, 2 a |
| Firing Chart – | T | X | Y | Y |
| Maximum Power – | 22 | 25 | 24 | 24 |
| Damage Modifiers: | ||||
| +3 | (1-5) | (1-2) | (1-14) | (1-14) |
| +2 | (6-16) | (3-7) | (15-16) | (15-16) |
| +1 | (17-18) | (8-18) | (17-24) | (17-24) |
| Torpedo Weapon Type – | TZP-13 | TZP-14 | TZP-16 | TZP-17 |
| Number – | 3 | 3 | 3 | 3 |
| Firing Arcs – | 2 f, 1 a | 2 f, 1 a | 2 f, 1 a | 2 f, 1 a |
| Firing Chart – | T | S | R | R |
| Power to Arm – | 2 | 2 | 2 | 2 |
| Damage – | 20 | 25 | 30 | 36 |
| Shield Data: | ||||
| Deflector Shield Type – | TZSNH | TZSNI | TZSNM | TZSNQ |
| Shield Point Ratio – | 1/3 | 1/3 | 1/3 | 1/4 |
| Maximum Shield Power – | 30 | 39 | 51 | 56 |
| Combat Efficiency: | ||||
| D – | 177.9 | 207.9 | 230.4 | 270.4 |
| WDF – | 165.3 | 213.2 | 239.8 | 250.6 |