| Builders |
Guangzhou SY
Bohai [Huladao] SY
Jiangnan SY
Wuchang SY
|
| Construction |
At least 84 were built between 1960 and 1984, with some three dozen remaining extant by the late 1990s.
Additionally, perhaps two dozen hulls remained extant in the reserve fleet.
|
| Displacement: Surfaced: | 1,330-1475 tons
|
| Displacement Submerged | 1,710-1830 tons
|
| Length | 251 feet / 76.6 meters or
254.5 ft (77.6 m)
|
| Beam | 22 feet / 6.7 meters
|
| Draft | 16.2 feet / 5-5.2 metersor
16 ft (4.9 m)
|
| Propulsion | diesel engines with twin shaft propulsion
2 x 37D diesel engine
2 x PG-101 electric motor
2 x PG-103 electric motor
|
| Power | 2,700 SHP
|
| Speed, surfaced | 17.5 mph (15.2 knots)
|
| Underwater Speed | 13 knots
|
| Fuel Capacity |
|
| Endurance |
|
| Range |
8,500 miles (7,400 nm) @ 9.2 knots surfaced, or
9000 nautical miles / 9 knots (surfaced)
|
| Dive Depth | 900 ft (270 m)
|
| Hull Material | Double hull
|
| Sonar/Sensors |
1 x SQZ-1 integrated sonar system,
1 x SQX-1 communication sonar,
1 x SQC-1 reconnaissance sonar,
1 x SQW-1 ray trajectory,
1 x ice measuring instrument,
1 x remote Noise direction finding station (additional installation on some boats later),
1 x DUUX-5 low frequency passive ranging sonar (additional installation on some boats later)
1 x Librascope Fire Control System
|
| Periscope |
1 QDD-10 (707) air-to-air navigation periscope,
1 QZ-10 (708) command periscope,
later part of the boat retrofitted
1 QZHA-10 (779) command periscope,
1 QDYA-10 (778) multipurpose periscope
|
| Electronic warfare |
1 921 or 921A radar reconnaissance receiver
1 SQK-2 high-frequency noise jammer (installed on some boats later)
1 SQK-3 low-frequency noise jammer (installed on some boats later)
1 SQK-1 air curtain bomb launch system (part of the boat later)
|
| Misc Systems |
1 x Type 353 Snoop Tray Navigation / sea search Radar
|
| Fire control | 1 x 691 torpedo fire control system.
|
| Communication |
2 x instantaneous ultrafast shortwave communications
2 x HS-201 ultralongwave receivers,
2 x ultrashortwave radio systems
|
| Navigation |
1 gyrocompass
1 hydrometer
1 track plotter
|
| Other systems |
Integrated air conditioning system
CEO27 / 150 air compressor
Emergency blow-off system
|
| Armament |
8 21 inch torpedo tubes (6 x bow; 2 x stern)
- 14 NT-37F torpedos
- Yu-1, to 9.2 km at 39 kt or 3.7 km at 51 kt, warhead 400 kg
Yu-4, passive homing to 15 km at 40 kt; warhead 400 kg
Alternative Capability / 28 AMD-1000 mines in torpedo tubes
|
| Crew | 51-52
57 (including 10 officers)
|
