NOTES:
Known Sphere Of Operation: Empire-wide use
Data Reliability: D for D-57A & D-57B; B for D-57C
Major Data Source: Klingon Sector Intelligence
201 of these destroyers have been fielded. 29 Cs are in active service with 57 in reserve fleets. 11 As, 9 Bs and 53 Cs have been destroyed. 11 have been captured (1 A and 1 C by Breen forces, 4 Cs by the Cardassians and 5 As by the Romulans). 4 As, 1 B and 4 Cs are listed as missing. 2 As, 1 B and 19 Cs have been scrapped.
| Construction Data: | |||
| Model – | A | B | C |
| Ship Class – | VIII | VIII | VIII |
| Date Entering Service – | 2289 | 2309 | 2347 |
| Number Constructed – | 89 | 112 | Refit |
| Hull Data: | |||
| Superstructure Points – | 34 | 35 | 36 |
| Damage Chart – | C | C | C |
| Size: | |||
| Length – | 180 m | 180 m | 180 m |
| Width – | 200 m | 200 m | 200 m |
| Height – | 66 m | 66 m | 66 m |
| Weight – | 118,655 mt | 118,925 mt | 119,203 mt |
| Cargo: | |||
| Total SCU – | 310 SCU | 31 SCU | 270 SCU |
| Cargo Capacity – | 15,500 mt | 1,550 mt | 13,500 mt |
| Landing Capacity – | None | None | None |
| Equipment Date: | |||
| Control Computer Type – | ZD-6 | ZD-6 | ZI-2 |
| Transporters: | |||
| Standard 6-person – | 2 | 2 | 2 |
| Emergency 18-person – | 2 | 2 | 2 |
| Cargo – | 3 | 3 | 3 |
| Cloaking Device Type: | KCC | KCC | KCC |
| Power Requirements: | 32 | 32 | 32 |
| Other Data: | |||
| Crew – | 341 | 346 | 299 |
| Passengers – | 10 | 10 | 10 |
| Shuttlecraft – | 6 | 6 | 6 |
| Engines And Power Data: | |||
| Total Power Units Available – | 69 | 69 | 71 |
| Movement Point Ratio – | 3/1 | 3/1 | 3/1 |
| Warp Engine Type – | KWC-3 | KWC-3 | KWC-3 |
| Number – | 2 | 2 | 2 |
| Power Units Available – | 23 ea. | 23 ea. | 23 ea. |
| Stress Chart – | L/O | L/O | L/O |
| Max Safe Cruising Speed – | Warp 8 | Warp 8 | Warp 8 |
| Emergency Speed – | Warp 9 | Warp 9 | Warp 9 |
| Impulse Engine Type – | KIF-2 | KIF-2 | KIM-3 |
| Power Units Available – | 23 | 23 | 25 |
| Weapons And Firing Data: | |||
| Beam Weapon Type – | KD-15 | KD-15 | KD-25 |
| Number – | 2 | 2 | 2 |
| Firing Arcs – | 1 f/p, 1 f/s | 1 f/p, 1 f/s | 1 f/p, 1 f/s |
| Firing Chart – | T | T | Y |
| Maximum Power – | 10 | 10 | 12 |
| Damage Modifiers: | |||
| +3 | (-) | (-) | (1-7) |
| +2 | (1-18) | (1-18) | (8-14) |
| +1 | (-) | (-) | (15-20) |
| Beam Weapon Type – | KD-8 | KD-13 | KD-8 |
| Number – | 5 | 5 | 5 |
| Firing Arcs – | 1 f/p, 1 f/s, 1 p/a/s, 1 p/a, 1 s/a | 1 f/p, 1 f/s, 1 p/a/s, 1 p/a, 1 s/a | 1 f/p, 1 f/s, 1 p/a/s, 1 p/a, 1 s/a |
| Firing Chart – | U | X | U |
| Maximum Power – | 7 | 5 | 7 |
| Damage Modifiers: | |||
| +3 | (1-7) | (1-7) | (1-7) |
| +2 | (8-15) | (8-15) | (8-15) |
| +1 | (16-20) | (16-22) | (16-20) |
| Torpedo Weapon Type – | KP-6 | KP-8 | KP-16 |
| Number – | 1 | 1 | 1 |
| Firing Arcs – | 1 f | 1 f | 1 f |
| Firing Chart – | R | S | Q |
| Power to Arm – | 2 | 2 | 2 |
| Damage – | 20 | 24 | 36 |
| Shield Data: | |||
| Deflector Shield Type – | KSH | KSH | KST |
| Shield Point Ratio – | 1/3 | 1/3 | 1/3 |
| Maximum Shield Power – | 12 | 12 | 32 |
| Combat Efficiency: | |||
| D – | 164.1 | 165.6 | 197 |
| WDF – | 57.5 | 58.7 | 72.2 |