Names

55 boats (5220-... series)

Builders

Wuhu SY

Chuangxin SY

Commissioned

1952-1960: 55 boats

Losses

none

Transfers

Albania, 1965: 6 boats

North Korea: some boats

North Vietnam: some boats

Bangladesh, 1983: 4 boats

Discarding

1980s - 1995: all

1989:  81 were in service

Displacement standard, t

19

Displacement full, t

23

Length, m

19.3

Breadth, m

3.43

Draught, m

0.77

No of shafts

2

Machinery

2 M-50-2 diesels

Power, h. p.

2000

Max speed, kts

50

Fuel, t

diesel oil

Endurance, nm(kts)

450(35)

Armament

1 x 2 - 14.5/93, 2 x 1 - 450 TT, 6 DC

Sensors

Zarnitsa radar

Complement

7