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FIGHTING SHIPS OF THE WORLD
VIETNAM / NORTH VIETNAM
COASTAL FORCES
HQ-331 torpedo hydrofoils (1984-1986)


Photo



HQ-331 2000

Ships


Name No Yard No Builder Laid down Launched Comp Fate
HQ-331 HQ-331 826 Vladivostok SYd, USSR     1984 in service (2019)
HQ-332 HQ-332 827 Vladivostok SYd, USSR     1984 in service (2019)
HQ-333 HQ-333 828 Vladivostok SYd, USSR     1985 in service (2019)
HQ-334 HQ-334 829 Vladivostok SYd, USSR     1.1986 in service (2019)
HQ-335 HQ-335 830 Vladivostok SYd, USSR     1.1986 in service (2019)


Technical data


Displacement standard, t

218

Displacement full, t

250

Length, m

39.5

Breadth, m

7.5 wl 13.6 foil

Draught, m

1.64 hull 3.24 foil

No of shafts

3

Machinery

3 M-504B diesels

Power, h. p.

15000

Max speed, kts

44

Fuel, t

diesel oil

Endurance, nm(kts)

1450(14)

Armament

HQ-331-333: 1 x 2 - 57/50 AK-725, 1 x 2 - 25/82 2M-3M, 4 - 533 TT, 2 DCR (10)

HQ-334, 335: 1 x 2 - 57/50 AK-725, 1 x 2 - 25/82 2M-3M

Electronic equipment

HQ-331-333: MR-102 Baklan, MR-103 Bars, MR-206 radars, MG-329 Sheksna sonar, Dozor-1 CCS

HQ-334, 335: MR-102 Baklan, MR-103 Bars, MR-206 radars, Dozor-1 CCS

Complement

25



Standard scale images


<i>HQ-331 </i>1990
HQ-331 1990


Graphics


<i>HQ-331 </i>2000
HQ-331 2000


Project history

Soviet project 205M hydrofoils.

Modernizations

None.

Naval service

No significant events.