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fighting ships of the world

SOVIET NAVY (USSR)

COASTAL FORCES

Ya-5 and Ya-5M types motor mortar boats (1942-1945)

Ya-1 1942

Names

Ya-5: -1 - 4 <Ya-1 - 4>, 8/1944- -771 - 774 <KEMTShch-771 - 774>; -5 <Ya-5>, 8/1944- MK-5; -6 - 9 <Ya-6 - 9>, 8/1944- MK-6 - 9, 11/1944- KT-447 - 450; -10 - 13 <Ya-10 - 13>, 8/1944- -775 - 778 <KEMTShch-775 - 778>

Ya-5M: -25 <Ya-25>, 1/1945- MK-25; -26 <Ya-26>; -27 <Ya-27>; -28 - 30 <Ya-28 - 30>, 1/1945- MK-28 - 30; MK-38; MK-39; MK-41 - 48

Builders

345 Yd, Yaroslavl

Commissioned

1942: Ya-1 - 10

1943: Ya11 - 13, 25 - 30

1945: MK-38, 39, 41 - 48

Losses

MK-5 (17/8/1944), Ya-26 (18/4/1944), Ya-27 (18/4/1944)

Transfers

none

Discarding

1946 - 1949: KEMTShch-771 - 774, KT-447 - 450, KEMTShch-775 - 778; MK-25, 28 - 30, 38, 39, 41 - 48

 

Displacement standard, t

 

Displacement full, t

23

Length, m

18.7

Breadth, m

3.56

Draught, m

0.98

No of shafts

1

Machinery

Ya-5 type: 1 M-17 diesel

Ya-5M type: 1 Chrysler petrol engine

Power, h. p.

Ya-5 type: 65

Ya-5M type: 93

Max speed, kts

Ya-5 type: 9

Ya-5M type: 10

Fuel, t

Ya-5 type: diesel oil 4

Ya-5M type: petrol 4

Armament

2 x 1 - 12.7/79; 1 x 24 - 82 M-8 rocket launcher

Complement

10

Ship project history: Built as runabouts, sometimes are mentioned as Yaroslavets type. Steel-hulled, equipped with a tractor diesel or automobile motor (latter variant is known as Ya-5M type). There were minesweeper variants (KATShch) or mortar boat (MK).

Modernizations: 8/1944, KEMTShch-771 - 778, 11/1944, KT-447 - 450: - 2 x 1 - 12.7/79, 1 x 24 - 82 rocket launcher; + 1 x 1 - 7.6/94, sweeps.

Naval service: Boats served as mortar boats (Ya, MK) or minesweeping boats (KT) or minesweeping boats with magnetic sweeps (KEMTShch).

Ya-29

Ivan Gogin, 2009-14