S201 Characteristics
Physical
| Length OA | - |
8.8m |
| Beam | - |
1.64m |
| Height OA | - |
1.94m |
| Crane Weight | - |
8.9 tonnes |
Performance
| Maximum Operating Depth | - |
305m seawater |
| Surface Speed | - |
6 knots maximum |
| Submerged Speed | - |
Up to 12 knots estimated |
| Submerged Power Endurance | - |
At 5kn: 45 hours approx. At 10kn: 7 hours approx. |
| Crew Complement | - |
2 |
| Surface Buoyancy | - |
External main ballast tanks, 0.9m 3 lateral tanks + 0.4m 3 bow tank |
| Surface and Submerged Manoeuvring | - |
Steering underway by main rudder. Fwd & aft lateral thrusters for close quarters manoeuvring; lateral translate, rotate |
| Submerged Depth Keeping | - |
Internal variable ballast tanks, dive planes, motorised trim weight |
| Emergency Buoyancy | - |
Drop weight, main ballast tanks, internal variable ballast tanks |
| Emergency Life Support Duration | - |
72 hours minimum, in addition to mission time, for two people, uncontaminated atmosphere, as per ABS requirement |
| Closed Circuit Emergency Life Support | - |
2 hours minimum, contaminated atmosphere, as per ABS requirement |
Propulsion
| Main Thruster | - |
50kW permanent magnet AC motor, liquid cooled, 1000rpm max. Motor mounted in oil filled thruster housing, direct coupled to main propeller. Thruster located in tail fairing |
| Thrusters | - |
Stern and bow lateral 1kW electric thrusters variable speed. Midships 2kW vertical down thruster variable speed |
Communications
| Underwater Telephone | - |
10kHz, 27kHz |
| Radio | - |
Marine VHF |
