home

fighting ships of the world

ROYAL NAVY (UNITED KINGDOM)

COASTAL FORCES

MA/SB1 motor anti-submarine boats (1939)

nearly sister-boat MA/SB22 1941

Names

MA/SB1 - 5

Builders

British Power Boat, Hythe: MA/SB1-5

Completed

1939: MA/SB1-5

Losses

MA/SB3 (28.2.1941)

Transfers

none

Discarding

1941: MA/SB1, 2, 4

1942: MA/SB5

 

Displacement standard, t

19

Displacement full, t

 

Length, m

18.3

Breadth, m

4.24

Draught, m

0.86

No of shafts

2

Machinery

2 Napier petrol engines

Power, h. p.

1100

Max speed, kts

25

Fuel, t

petrol 3360 l

Endurance, nm(kts)  

Armament

1 x 2 - 7.7/94, 2 DCR (10)

Electronic equipment type 134 sonar

Complement

9

Project history: Anti-submarine variant of ÌÒÂ1 with twin-shaft less powerful machinery.

Modernizations:  circa 1940, all: - 1 x 2 - 7.7/94; + 2 x 4 - 7.7/94

Naval service: all survived boats served as RAF SAR craft from 1941. MA/SB5 became controlled target CT08 in 1942 and sold in 1946.

© Ivan Gogin, 2008-10