Artwork by Todd Guenther
NOTES:
Known Sphere Of Operation: Romulan-Klingon border; Federation border; Cardassian border
Data Reliability: C
Major Data Source: Romulan Sector Intelligence
| Construction Data: | |||||
| Model Number — | Type 1 | Type 2 | Type 3 | Type 4 | Type 5 |
| Ship Class — | IX | IX | IX | IX | IX |
| Date Entering Service — | 2278 | 2294 | 2340 | 2350 | 2370 |
| Number Constructed — | 1 | Refit | Refit | Refit | Refit |
| Hull Data: | |||||
| Superstructure Points — | 27 | 30 | 30 | 30 | 30 |
| Damage Chart — | C | C | C | C | C |
| Size: | |||||
| Length — | 251 m | 251 m | 251 m | 251 m | 251 m |
| Width — | 174 m | 174 m | 174 m | 174 m | 174 m |
| Height — | 39 m | 39 m | 39 m | 39 m | 39 m |
| Weight — | 122,540 mt | 128,320 mt | 129,215 mt | 129,295 mt | 129,747 mt |
| Cargo: | |||||
| Cargo Units — | 382 SCU | 382 SCU | 382 SCU | 382 SCU | 382 SCU |
| Cargo Capacity — | 19,100 mt | 19,100 mt | 19,100 mt | 19,100 mt | 19,100 mt |
| Landing Capacity — | None | None | None | None | None |
| Equipment Date: | |||||
| Control Computer Type — | R-5m | R-5m | R-5m-1 | R-5m-1 | R-5m-1 |
| Transporters: | |||||
| Standard 9-person — | 2 | 2 | 2 | 2 | 2 |
| Emergency 20-person — | 2 | 2 | 2 | 2 | 2 |
| Cargo — | 4 | 4 | 4 | 4 | 4 |
| Cloaking Device Type — | RCC | RCC | RCC | RCC | RCC |
| Power Requirements — | 15 | 15 | 15 | 15 | 15 |
| Other Data: | |||||
| Crew — | 440 | 440 | 440 | 440 | 440 |
| Passengers — | 20 | 20 | 20 | 20 | 20 |
| Shuttlecraft — | 10 | 10 | 10 | 10 | 10 |
| Engines And Power Data: | |||||
| Total Power Units Available — | 44 | 44 | 52 | 52 | 52 |
| Movement Point Ratio — | 3/1 | 3/1 | 3/1 | 3/1 | 3/1 |
| Warp Engine Type — | KWF-1 | KWF-1 | KWF-1 | KWF-1 | KWF-1 |
| Number — | 2 | 2 | 2 | 2 | 2 |
| Power Units Available — | 16 ea. | 16 ea. | 16 ea. | 16 ea. | 16 ea. |
| Stress Charts — | H/J | H/J | H/J | H/J | H/J |
| Max Safe Cruising Speed — | Warp 8 | Warp 8 | Warp 8 | Warp 8 | Warp 8 |
| Emergency Speed — | Warp 9 | Warp 9 | Warp 9 | Warp 9 | Warp 9 |
| Impulse Engine Type — | RID-3 | RID-3 | RIG-1 | RIG-1 | RIG-1 |
| Power Units Available — | 12 | 12 | 20 | 20 | 20 |
| Weapons And Firing Data: | |||||
| Beam Weapon Type — | RB-6 | RB-10 | RB-10 | RB-10 | RB-10 |
| Number — | 8 | 8 | 8 | 8 | 8 |
| Firing Arcs — | 2 f/p, 2 f/s, 1 f/p/a, | 2 f/p, 2 f/s, 1 f/p/a, | 2 f/p, 2 f/s, 1 f/p/a, | 2 f/p, 2 f/s, 1 f/p/a, | 2 f/p, 2 f/s, 1 f/p/a, |
| 1 f/s/a, 1 p/a, 1 s/a | 1 f/s/a, 1 p/a, 1 s/a | 1 f/s/a, 1 p/a, 1 s/a | 1 f/s/a, 1 p/a, 1 s/a | 1 f/s/a, 1 p/a, 1 s/a | |
| Firing Chart — | T | U | U | U | U |
| Maximum Power — | 6 | 8 | 8 | 8 | 8 |
| Damage Modifiers: | |||||
| +3 | (-) | (1-8) | (1-8) | (1-8) | (1-8) |
| +2 | (1-18) | (9-16) | (9-16) | (9-16) | (9-16) |
| +1 | (-) | (17-20) | (17-20) | (17-20) | (17-20) |
| Torpedo Weapon Type — | RP-3 | RP-4 | RP-7 | RP-8 | RP-18 |
| Number — | 2 | 2 | 2 | 2 | 2 |
| Firing Arcs — | 1 f, 1 a | 1 f, 1 a | 1 f, 1 a | 1 f, 1 a | 1 f, 1 a |
| Firing Chart — | Q | P | R | S | Q |
| Power to Arm — | 1 | 1 | 1 | 1 | 1 |
| Damage — | 10 | 12 | 20 | 30 | 35 |
| Shield Data: | |||||
| Deflector Shield Type — | RSN | RSP | RSU | RSU | RSY |
| Shield Point Ratio — | 1/2 | 1/3 | 1/3 | 1/3 | 1/3 |
| Maximum Shield Power — | 15 | 18 | 24 | 24 | 27 |
| Combat Efficiency: | |||||
| D — | 101.6 | 129.9 | 149.4 | 149.4 | 153.9 |
| WDF — | 51.8 | 68.2 | 79.0 | 92.6 | 93.4 |