NOTES:
83 Mk Is and 40 Mk II have been decommissioned and are slowly being scrapped. 10 Mk Is and 3 Mk II have been sold to non-Federation entities. 15 Mk Is and 4 Mk IIs have been destroyed. 2 Mk Is have been captured (1 by Klingon forces and 1 by Cardassian forces). 3 Mk Is are reported missing. 6 Mk Is and 1 Mk II have been scrapped.
| Construction Data: | ||
| Model Number — | Mk I | Mk II |
| Ship Class — | VIII | VIII |
| Date Entering Service — | 2250 | 2260 |
| Number Constructed — | 119 | 48 |
| Hull Data: | ||
| Superstructure Points — | 20 | 20 |
| Damage Chart — | C | C |
| Size: | ||
| Length — | 196.6 m | 196.6 m |
| Width — | 103.2 m | 103.2 m |
| Height — | 53.1 m | 53.1 m |
| Weight — | 112,870 mt | 112,910 mt |
| Internal Cargo: | ||
| Cargo Units — | 148 SCU | 148 SCU |
| Cargo Capacity — | 7,400 mt | 7,400 mt |
| Internal Liquid Cargo: | ||
| Cargo Units — | 1,600 SCU | 1,600 SCU |
| Cargo Capacity — | 80,000 mt | 80,000 mt |
| External Cargo: | ||
| Cargo Units — | 4,600 SCU | 4,600 SCU |
| Cargo Capacity — | 230,000 mt | 230,000 mt |
| Landing Capacity — | None | None |
| Equipment Date: | ||
| Control Computer Type — | M-3A | M-3A |
| Transporters: | ||
| Standard 6-person — | 3 | 3 |
| Emergency 22-person — | 2 | 2 |
| Cargo — | 6 | 6 |
| Other Data: | ||
| Crew — | 108 | 111 |
| Passengers — | 50 | 50 |
| Shuttlecraft — | 4 | 4 |
| Engines And Power Data: | ||
| Total Power Units Available — | 19 | 22 |
| Movement Point Ratio: | ||
| unloaded — | 3/1 | 3/1 |
| loaded — | 7/1 | 7/1 |
| Warp Engine Type — | FWE-1 | FWE-1 |
| Number — | 2 | 2 |
| Power Units Available: | 8 ea. | 8 ea. |
| Stress Chart – | G/K | G/K |
| Max Safe Cruising Speed – | ||
| unloaded – | Warp 7 | Warp 7 |
| loaded- | Warp 4 | Warp 4 |
| Emergency Speed – | ||
| unloaded – | Warp 9 | Warp 9 |
| loaded – | Warp 5 | Warp 5 |
| Impulse Engine Type – | FIC-2 | FIC-3 |
| Power Units Available – | 3 | 6 |
| Shield Data: | ||
| Deflector Shield Type – | FSG | FSH |
| Shield Point Ratio – | 1/1 | 1/2 |
| Maximum Shield Power – | 10 | 12 |
| Combat Efficiency: | ||
| D – | ||
| unloaded – | 51.6 | 66.6 |
| loaded – | 46.1 | 53.6 |
| WDF – | 0.0 | 0.0 |