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SOVIET NAVY (USSR)

COASTAL FORCES

MBK type armoured motor gun boats (project 161) (1943-1944)

BK-501 1943

Name No Builder Laid down Launched Comp Fate
-501 <BK-501>, 11/1946- -27 <MKL-27>, 2/1949- -501 <BK-501>   194 Yd, Leningrad 10/1942 11/4/1943 9/1943 stricken 10/1949
-502 <BK-502>, 11/1946- -28 <MKL-28>, 2/1949- -502 <BK-502>   194 Yd, Leningrad 11/1942 5/1943 9/1943 stricken 10/1949
-503 <BK-503>, 11/1946- -29 <MKL-29>, 2/1949- -503 <BK-503>   194 Yd, Leningrad 1/1943 5/1943 8/1943 stricken 10/1949
-504 <BK-504>   194 Yd, Leningrad 2/1943 5/1943 7/1943 sunk 4/7/1944
-505 <BK-505>, 11/1946- -31 <MKL-31>, 2/1949- -505 <BK-505>   194 Yd, Leningrad 3/1943 7/1943 8/1943 stricken 11/1957
-506 <BK-506>, 11/1946- -32 <MKL-32>, 2/1949- -506 <BK-506>   194 Yd, Leningrad 4/1943 7/1943 8/1943 stricken 11/1957
-507 <BK-507>, 11/1946- -33 <MKL-33>, 2/1949- -507 <BK-507>   194 Yd, Leningrad 5/1943 8/1943 9/1943 stricken 3/1958
-508 <BK-508>, 11/1946- -34 <MKL-34>, 2/1949- -508 <BK-508>   194 Yd, Leningrad 6/1943 19/9/1943 10/1943 stricken 3/1958
-509 <BK-509>   194 Yd, Leningrad 1943 autumn 1943 10/1943 sunk 4/7/1944
-510 <BK-510>, 11/1946- -35 <MKL-35>, 2/1949- -510 <BK-510>   194 Yd, Leningrad 7/1943 24/10/1943 10/1943 stricken 3/1958
-511 <BK-511>, 11/1946- -36 <MKL-36>, 2/1949- -511 <BK-511>   194 Yd, Leningrad 11/1943 25/4/1944 5/1944 stricken 11/1957
-512 <BK-512>, 11/1946- -37 <MKL-37>, 2/1949- -512 <BK-512>   194 Yd, Leningrad 11/1943 27/4/1944 7/1944 stricken 11/1957
-513 <BK-513>, 11/1946- -38 <MKL-38>, 2/1949- -513 <BK-513>   194 Yd, Leningrad 12/1943 5/1944 6/1944 stricken 11/1957
-514 <BK-514>   194 Yd, Leningrad 1943 spring 1944 6/1944 sunk 4/7/1944
-515 <BK-515>, 11/1946- -39 <MKL-39>, 2/1949- -515 <BK-515>   194 Yd, Leningrad 12/1943 1/6/1944 7/1944 stricken 11/1957
-516 <BK-516>, 11/1946- -1 <MKL-1>, 2/1949- -516 <BK-516>   194 Yd, Leningrad 3/1944 22/7/1944 8/1944 stricken 7/1956
-517 <BK-517>, 11/1946- -2 <MKL-2>, 2/1949- -517 <BK-517>   194 Yd, Leningrad 3/1944 4/8/1944 8/1944 stricken 7/1956
-518 <BK-518>, 11/1946- -3 <MKL-3>, 2/1949- -518 <BK-518>   194 Yd, Leningrad 5/1944 30/8/1944 9/1944 stricken 7/1956
-519 <BK-519>, 11/1946- -4 <MKL-4>, 2/1949- -519 <BK-519>   194 Yd, Leningrad 5/1944 9/1944 9/1944 stricken 9/1955
-520 <BK-520>, 11/1946- -5 <MKL-5>, 2/1949- -520 <BK-520>   194 Yd, Leningrad 6/1944 9/1944 10/1944 stricken 7/1956

 

Displacement standard, t

151

Displacement full, t

158

Length, m

36.2

Breadth, m

5.50

Draught, m

1.28

No of shafts

2

Machinery

Packard petrol engines

Power, h. p.

2400

Max speed, kts

13

Fuel, t

petrol 9

Endurance, nm(kts) 450(10)
Armour, mm belt: 50 - 25, deck: 30 - 15, turrets: up to 45, CT: 8
Armament

2 x 1 - 76/40 F-34, 2 x 1 - 45/65 21KM, 1 x 1 - 37/63 70K, 2 x 1 - 12.7/79

Complement

38

Ship project history: "Seagoing armoured motor gunboats" ("sound monitors"). Wartime project was created in 1941-1942 on the basis of pre-war project 138, originally adapted for building in conditions of beleaguered Leningrad: in particular, she had simplified rectilinear hull form, lend-lease engines and turrets from T-34 tank as originally was planned. Boats differed by strong armament: under project 2 76mm guns, 1 37mm MG, 2 82mm mortars; but already since lead boats they instead of mortars had 45mm guns. Protection of serial boats frequently differed from designed: armour plates which are available at present on a factory were used. The project was approved 15/9/1943: one week prior to commission of lead boat.

   Survived MBKs in 1946-1949 were classified as small gunboats.

Ship protection: Belt had 52-50mm thickness abreast citadel and was closed by 14mm fore and 48-30mm aft bulkheads, it was connected with 35-30mm deck. Ship ends outside citadel were protected by 18-14mm belt and 18-12mm deck.

Modernizations: None.

Naval service: BK-504, BK-509 and BK-514 were sunk by German mines 4/7/1944.

BK-506

 

Ivan Gogin, 2009-14