NOTES:
Currently, 57 Mk I and 87 Mk II Mayweathers are in reserve fleets. 101 Mk Is, 17 Mk IIs and 4 Mk IIIs have been destroyed. 13 Mk Is and 1 Mk II have been captured. 2 Mk Is and 1 Mk II are reported missing. 91 Mk Is, 9 Mk IIs and 1 Mk III have been scrapped. 200 Mk Is and 20 Mk IIIs have been sold.
| Construction Data: | |||
| Model Number — | Mk I | Mk II | Mk III |
| Ship Class — | VI | VI | VI |
| Date Entering Service — | 2239 | 2252 | 2263 |
| Number Constructed — | 465 | 140 | Refit |
| Hull Data: | |||
| Superstructure Points — | 10 | 11 | 10 |
| Damage Chart — | C | C | C |
| Size: | |||
| Length — | 245.39 m | 245.39 m | 245.39 m |
| Width — | 99.7 m | 99.7 m | 99.7 m |
| Height — | 91.65 m | 91.65 m | 91.65 m |
| Weight — | 74,110 mt | 78,660 mt | 76,160 mt |
| Cargo: | |||
| Cargo Units — | 6,318 SCU | 6,318 SCU | 6,318 SCU |
| Cargo Capacity — | 315,900 mt | 315,900 mt | 315,900 mt |
| Landing Capacity — | None | None | None |
| Equipment Date: | |||
| Control Computer Type — | M-2 | M-2 | M-2 |
| Transporters: | |||
| Standard 6-person — | 2 | 2 | 2 |
| Emergency 22-person — | 2 | 2 | 2 |
| Cargo — | 1 | 1 | 1 |
| Other Data: | |||
| Crew — | 31 | 36 | 36 |
| Passengers — | 10 | 10 | 10 |
| Shuttlecraft — | 2 | 2 | 2 |
| Engines And Power Data: | |||
| Total Power Units Available — | 29 | 31 | 39 |
| Movement Point Ratio: | |||
| unloaded — | 3/1 | 3/1 | 3/1 |
| loaded — | 8/1 | 8/1 | 9/1 |
| Warp Engine Type — | FWB-1 | FWB-1 | FWB-2 |
| Number — | 3 | 3 | 3 |
| Power Units Available: | 9 ea. | 9 ea. | 11 ea. |
| Stress Chart – | N/P | N/P | N/P |
| Max Safe Cruising Speed – | |||
| unloaded – | Warp 6 | Warp 6 | Warp 7 |
| loaded- | Warp 4 | Warp 4 | Warp 5 |
| Emergency Speed – | |||
| unloaded – | Warp 9 | Warp 9 | Warp 9 |
| loaded – | Warp 6 | Warp 6 | Warp 6 |
| Impulse Engine Type – | FIB-1 | FIB-2 | FIB-3 |
| Power Units Available – | 2 | 4 | 6 |
| Weapons And Firing Data: | |||
| Beam Weapon Type – | FL-1 | FL-1 | FH-2 |
| Number – | 2 | 8 | 8 |
| Firing Arcs – | 2 f | 2 f/p, 2 f/s, 2 p/a, 2 s/a | 2 f/p, 2 f/s, 2 p/a, 2 s/a |
| Firing Chart – | D | D | H |
| Maximum Power – | 2 | 2 | 3 |
| Damage Modifiers: | |||
| +3 | (-) | (-) | (-) |
| +2 | (-) | (-) | (-) |
| +1 | (-) | (-) | (1-10) |
| Shield Data: | |||
| Deflector Shield Type – | FSA | FSC | FSC |
| Shield Point Ratio – | 1/1 | 1/1 | 1/1 |
| Maximum Shield Power – | 7 | 9 | 9 |
| Combat Efficiency: | |||
| D – | |||
| unloaded – | 38.3 | 43.7 | 46.3 |
| loaded – | 29.8 | 34.7 | 33.3 |
| WDF – | 0.8 | 3.2 | 10.4 |