from Klingon Ship Recognition Manual, 2nd Edition, FASA, design by Forest G. Brown, graphics by Dana Knutson
NOTES:
Known Sphere Of Operation: Empire-wide use
Data Reliability: A for S-4A; C for S-4B; D for S-4C & E, B for S-4F
Major Data Source: Klingon Sector Intelligence
Of the 859 S-4s built, 431 remain in active service, 2 are used as training vessels, 29 have been destroyed, 5 have been captured (1 A and 2 Bs by Star Fleet, and 2 As and 1 B by private interests in the Triangle), 2 As and 1 B are listed as missing, 10 have been scrapped, and 21 have been sold or traded (6 As and 3 Bs to the Orions, 8 As and 3 Bs to private interests in the Triangle, and 1 A to the Romulans. The S-4 is being produced at the Taamar, Gnuu Re’, and Mustaka facilities at a combined rate of 21 per year. All active S-4As have been converted to the B model. The name, a reference to its repair function, is from the Klingon HItlhej.
| Construction Data: | |||||
| Model Number — | A | B | C | E | F |
| Ship Class — | VI | VII | VII | VII | VII |
| Date Entering Service — | 2264 | 2274 | 2294 | 2309 | 2327 |
| Number Constructed — | 410 | 218 | 97 | 106 | 28 |
| Hull Data: | |||||
| Superstructure Points — | 12 | 12 | 16 | 22 | 22 |
| Damage Chart — | B | B | B | B | B |
| Size: | |||||
| Length — | 90 m | 90 m | 90 m | 90 m | 90 m |
| Width — | 101 m | 101 m | 101 m | 101 m | 101 m |
| Height — | 40 m | 40 m | 40 m | 40 m | 40 m |
| Weight — | 76,568 mt | 88,608 mt | 98,090 mt | 95,595 mt | 97,785 mt |
| Cargo: | |||||
| Cargo Units — | 110 SCU | 110 SCU | 110 SCU | 110 SCU | 110 SCU |
| Cargo Capacity — | 5,500 mt | 5,500 mt | 5,500 mt | 5,500 mt | 5,500 mt |
| Landing Capacity — | None | None | None | None | None |
| Equipment Date: | |||||
| Control Computer Type — | ZD-5 | ZD-5 | ZD-6 | ZD-6 | ZD-6 |
| Transporters: | |||||
| Standard 6-person — | 2 | 2 | 2 | 2 | 2 |
| Cargo — | 1 | 1 | 1 | 1 | 1 |
| Other Data: | |||||
| Crew — | 108 | 115 | 118 | 122 | 126 |
| Passengers — | 5 | 5 | 5 | 5 | 5 |
| Shuttlecraft — | 2 | 2 | 2 | 2 | 2 |
| Engines And Power Data: | |||||
| Total Power Units Available — | 32 | 40 | 42 | 52 | 64 |
| Movement Point Ratio — | 3/1 | 4/1 | 4/1 | 3/1 | 3/1 |
| Warp Engine Type — | KWC-1 | KWD-1 | KWD-1 | KWC-3 | KWC-3 |
| Number — | 2 | 2 | 2 | 2 | 2 |
| Power Units Available — | 14 ea. | 18 ea. | 18 ea. | 23 ea. | 23 ea. |
| Stress Charts — | L/O | L/N | L/N | L/O | L/O |
| Max Safe Cruising Speed — | Warp 7 | Warp 6 | Warp 6 | Warp 8 | Warp 8 |
| Emergency Speed — | Warp 8 | Warp 8 | Warp 8 | Warp 9 | Warp 9 |
| Impulse Engine Type — | KIC-2 | KIC-2 | KID-1 | KID-1 | KIE-3 |
| Power Units Available — | 4 | 4 | 6 | 6 | 18 |
| Weapons And Firing Data: | |||||
| Beam Weapon Type — | KD-1 | KD-14 | KD-8 | KD-16 | KD-19 |
| Number — | 4 | 4 | 4 | 4 | 4 |
| Firing Arcs — | 1 f/p, 1 f/s, | 1 f/p, 1 f/s, | 1 f/p, 1 f/s, | 1 f/p, 1 f/s, | 1 f/p, 1 f/s, |
| 1 p/a, 1 s/a | 1 p/a, 1 s/a | 1 p/a, 1 s/a | 1 p/a, 1 s/a | 1 p/a, 1 s/a | |
| Firing Chart — | B | D | U | Y | X |
| Maximum Power — | 4 | 8 | 7 | 6 | 12 |
| Damage Modifiers: | |||||
| +3 | (-) | (-) | (1-7) | (1-9) | (1-14) |
| +2 | (-) | (1-6) | (8-15) | (10-17) | (15-18) |
| +1 | (-) | (-) | (16-20) | (18-22) | (19-22) |
| Shield Data: | |||||
| Deflector Shield Type — | KSF | KSF | KSK | KSP | KST |
| Shield Point Ratio — | 2/3 | 2/3 | 1/2 | 1/3 | 1/3 |
| Maximum Shield Power — | 10 | 10 | 13 | 15 | 32 |
| Combat Efficiency: | |||||
| D — | 54.7 | 53.2 | 70.9 | 126 | 166.5 |
| WDF — | 2.8 | 8.4 | 24.4 | 28.4 | 46 |