NOTES:
59 Mk Is, 23 Mk IIs and 4 Mk IIIs have been decommissioned and are in various stages of demolition. 5 Mk Is and 3 Mk IIs have been destroyed. 1 Mk I is listed as missing. 4 Mk Is, 2 Mk IIs and 1 Mk III have been scrapped.
| Construction Data: | |||
| Model Number — | Mk I | MK II | Mk III |
| Ship Class — | XI | XI | XI |
| Date Entering Service — | 2242 | 2250 | 2261 |
| Number Constructed — | 69 | 28 | 5 |
| Hull Data: | |||
| Superstructure Points — | 26 | 26 | 26 |
| Damage Chart — | C | C | C |
| Size: | |||
| Length — | 234.5 m | 234.5 m | 234.5 m |
| Width — | 132 m | 132 m | 132 m |
| Height — | 77 m | 77 m | 77 m |
| Weight — | 161,780 mt | 161,905 mt | 162,865 mt |
| Cargo: | |||
| Cargo Units — | 628 SCU | 628 SCU | 628 SCU |
| Cargo Capacity — | 31,400 mt | 31,400 mt | 31,400 mt |
| Landing Capacity — | None | None | None |
| Equipment Date: | |||
| Control Computer Type — | M-3A | M-3a | M-4a |
| Transporters: | |||
| Standard 6-person — | 10 | 10 | 10 |
| Emergency 22-person — | 8 | 8 | 8 |
| Cargo — | 8 | 8 | 8 |
| Other Data: | |||
| Crew — | 526 | 526 | 526 |
| Passengers — | 1128 | 1128 | 1128 |
| Shuttlecraft — | 12 | 12 | 12 |
| Engines And Power Data: | |||
| Total Power Units Available — | 36 | 38 | 40 |
| Movement Point Ratio — | 4/1 | 4/1 | 4/1 |
| Warp Engine Type — | FWC-1 | FWC-1 | FWC-1 |
| Number — | 2 | 2 | 2 |
| Power Units Available — | 16 ea. | 16 ea. | 16 ea. |
| Stress Charts — | O/M | O/M | O/M |
| Max Safe Cruising Speed — | Warp 6 | Warp 6 | Warp 6 |
| Emergency Speed — | Warp 8 | Warp 8 | Warp 8 |
| Impulse Engine Type — | FIB-2 | FIC-3 | FIE-2 |
| Power Units Available — | 4 | 6 | 8 |
| Shield Data: | |||
| Deflector Shield Type — | FSE | FSJ | FSO |
| Shield Point Ratio — | 1/1 | 1/1 | 1/3 |
| Maximum Shield Power — | 7 | 10 | 16 |
| Combat Efficiency: | |||
| D — | 60.2 | 64.7 | 103.2 |
| WDF — | 0 | 0 | 0 |

