Project 690 Kefal
Project 690
| Type | SS |
|---|---|
| Soviet designation | PL |
| NATO reporting name | Bravo |
| Country | USSR |
| Displacement (t) | 2,500 |
| Length (m) | 69.7 |
| Beam (m) | 8.8 |
| Draft (m) | 6.0 |
| Height (m) | 8.8 |
| Max speed submerged (kn) | 20.0 |
| Max speed surfaced (kn) | 16.8 |
| Max safe depth (m) | 270 |
| Endurance (days) | 15 |
| Diesel-electric | Yes |
| Titanium hull | No |
| Class year | 1967 |
Sensors
Sonar (1)
| Name | Type | Platform | Passive range (km) | Active range (km) |
|---|---|---|---|---|
| MG-10 Kola | Cylindrical | sub | 0.9 | — |
Radar (1)
| Name | NATO name | Air search | Surface search | Fire control |
|---|---|---|---|---|
| RLK-101 Albatros | Snoop Tray 1 | — | Yes | — |
Launchers (1)
| Name | Tubes | Fire control | Max launch depth (m) |
|---|---|---|---|
| 400mm Torpedo Tube (forward) | 2 | Leningrad-659 | 100 |
Individual hulls (4)
| Name | Short name | Country | Start date | End date | Remark |
|---|---|---|---|---|---|
| S-226 | S-226 | USSR | 1968-12-30 (Commissioned) | 2004-12-29 (Decommissioned) | |
| S-256 | S-256 | USSR | 1968-12-29 (Commissioned) | 1997-01-01 (Decommissioned) | |
| S-310 | S-310 | USSR | 1970-10-31 (Commissioned) | 1998-03-16 (Decommissioned) | |
| S-368 | S-368 | USSR | 1967-12-31 (Commissioned) | 1992-03-19 (Decommissioned) |