Allied Warships

Motor Anti-Submarine Boats

All Motor Anti-Submarine Boat classes

The list is divided by navy, then ordered by commissioned date of each class (oldest first).


Royal Navy

 BPB 60 feet-type (5)1938 - 1939
 BPB 70 feet-type (16)1939 - 1941
 BPB 63 feet-type (24)1940 - 1942
 BPB 70 feet-type (ex: French) (18)1940 - 1941
 White 70 feet-type (2)1940 - 1940
 Mercantile conversion (1)1940 - 1940

6 ship classes.

Please note that we list the classes by navies that initiated/owned the class. Often vessels of certain classes were then built for other nations (or lent), those ships are not visible here but only through the navies pages or by looking into each class.

War losses: Motor Anti-Submarine Boats



Royal Navy6 Feb 1941HMS MA/SB 12 (MA/SB 12)BPB 70 feet-type 
Royal Navy28 Feb 1941HMS MA/SB 3 (MA/SB 3)BPB 60 feet-type 
Royal Navy9 Aug 1941HMS MA/SB 62 (MA/SB 62)BPB 70 feet-type (ex: French) 
Royal Navy14 Dec 1941HMS MA/SB 30 (MA/SB 30)BPB 63 feet-type 


Royal Navy30 Sep 1942HMS MGB 18 (MGB 18)BPB 70 feet-type 
Royal Navy6 Nov 1942HMS MGB 19 (MGB 19)BPB 70 feet-type 


Royal Navy8 Aug 1943HMS MGB 64 (MGB 64)BPB 70 feet-type (ex: French) 


Royal Navy11 Jun 1944HMS MA/SB 17 (MA/SB 17)BPB 70 feet-type 

8 Motor Anti-Submarine Boats lost. See all Allied Warship losses.

See all Allied Warship types

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