NOTES:
Known Sphere Of Operation: Breen controlled space
Data Reliability: D for all models
Major Data Source: Breen Sector Intelligence
Star Fleet is currently tracking 178 Block 8s in active service with 5 more believed to be active but unseen at this time. 148 are believed to be in reserve fleets. 107 have been destroyed, 14 have been listed as captured by foreign forces (2 are know to have been captured by the Klingons), 22 are unaccounted for and 110 or more have been scrapped.
| Construction Data: | |||||
| Model Number — | Block 1 | Block 2 | Block 5 | Block 6 | Block 8 |
| Ship Class — | XI | XI | XI | XI | XI |
| Date Entering Service — | 2267 | 2270 | 2279 | 2302 | 2340 |
| Number Constructed — | 108 | 96 | 216 | 168 | Refit |
| Hull Data: | |||||
| Superstructure Points — | 46 | 46 | 46 | 46 | 47 |
| Damage Chart — | C | C | C | C | C |
| Size: | |||||
| Length — | 294.7 m | 294.7 m | 294.7 m | 294.7 m | 294.7 m |
| Width — | 306.8 m | 306.8 m | 306.8 m | 306.8 m | 306.8 m |
| Height — | 45.9 m | 45.9 m | 45.9 m | 45.9 m | 45.9 m |
| Weight — | 165,041 mt | 167,409 mt | 170,200 mt | 175,925 mt | 179,253 mt |
| Cargo: | |||||
| Cargo Units — | 385 SCU | 385 SCU | 385 SCU | 385 SCU | 385 SCU |
| Cargo Capacity — | 19,250 mt | 19,250 mt | 19,250 mt | 19,250 mt | 19,250 mt |
| Landing Capacity — | None | None | None | None | None |
| Equipment Date: | |||||
| Control Computer Type — | BCC-6b | BCC-6c | BCC-8 | BCC-10 | BCC-10 |
| Transporters: | |||||
| Standard 7-person — | 6 | 6 | 6 | 6 | 6 |
| Combat 18-person — | 2 | 2 | 2 | 2 | 2 |
| Emergency 16-person — | 4 | 4 | 4 | 4 | 4 |
| Cargo — | 3 | 3 | 3 | 3 | 3 |
| Other Data: | |||||
| Crew — | 481 | 485 | 492 | 496 | 499 |
| Troops — | 60 | 60 | 60 | 60 | 60 |
| Passengers — | 25 | 25 | 25 | 25 | 25 |
| Shuttlecraft — | 8 | 8 | 8 | 8 | 8 |
| Engines And Power Data: | |||||
| Total Power Units Available — | 49 | 49 | 52 | 66 | 75 |
| Movement Point Ratio — | 4/1 | 4/1 | 4/1 | 4/1 | 4/1 |
| Warp Engine Type — | BWC-2 | BWC-2 | BWC-2 | BWC-3 | BWC-4 |
| Number — | 2 | 2 | 2 | 2 | 2 |
| Power Units Available — | 18 ea. | 18 ea. | 18 ea. | 25 ea. | 28 ea. |
| Stress Charts — | D/E | D/E | D/E | D/E | D/E |
| Max Safe Cruising Speed — | Warp 6 | Warp 6 | Warp 6 | Warp 6 | Warp 6 |
| Emergency Speed — | Warp 7 | Warp 7 | Warp 7 | Warp 8 | Warp 8 |
| Impulse Engine Type — | BID-2 | BID-2 | BID-3 | BID-3 | BID-4 |
| Power Units Available — | 13 | 13 | 16 | 16 | 19 |
| Weapons And Firing Data: | |||||
| Beam Weapon Type — | BPD-6 | BPD-8 | BPD-9 | BPD-12 | BPD-20 |
| Number — | 8 | 8 | 8 | 8 | 8 |
| Firing Arcs — | 3 f/p, 3 f/s, 2 p/a/s | 3 f/p, 3 f/s, 2 p/a/s | 3 f/p, 3 f/s, 2 p/a/s | 3 f/p, 3 f/s, 2 p/a/s | 3 f/p, 3 f/s, 2 p/a/s |
| Firing Chart — | T | X | W | Y | Y |
| Maximum Power — | 7 | 8 | 10 | 14 | 16 |
| Damage Modifiers: | |||||
| +3 | (1-6) | (1-7) | (1-7) | (1-8) | (1-8) |
| +2 | (7-12) | (8-15) | (8-14) | (9-16) | (9-16) |
| +1 | (13-18) | (16-22) | (15-20) | (17-24) | (17-24) |
| Torpedo Weapon Type — | BP-4 | BP-5 | BP-5 | BP-5 | BP-8 |
| Number — | 6 | 6 | 6 | 6 | 6 |
| Firing Arcs — | 4 f, 2 a | 4 f, 2 a | 4 f, 2 a | 4 f, 2 a | 4 f, 2 a |
| Firing Chart — | O | S | S | S | S |
| Power to Arm — | 1 | 1 | 1 | 1 | 1 |
| Damage — | 16 | 14 | 14 | 14 | 16 |
| Shield Data: | |||||
| Deflector Shield Type — | BSD | BSF | BSG | BSN | BSP |
| Shield Point Ratio — | 1/2 | 1/2 | 1/3 | 1/3 | 1/3 |
| Maximum Shield Power — | 9 | 14 | 14 | 18 | 20 |
| Combat Efficiency: | |||||
| D — | 113.8 | 120.8 | 140.8 | 161.8 | 175.2 |
| WDF — | 90.8 | 109.0 | 121.0 | 158.6 | 180.8 |