Motor Minesweeper's were purpose built, wooden, shallow draft, minesweepers with both SA and LL sweeping capabilities. SA is Sweep Acoustic, a device similar to a Kanga Hammer which makes a loud thumping noise which exploded the acoustic mine. LL (double L) is a pair of electric cables which are towed parallel to each other on floats and emit a strong electric pulse which generates a magnetic field which detonated the magnetic mine.

Four Hundred and two Motor Minesweeper were built for the Royal Navy between 1940 and 1945.

Admiralty type; 1 to 118 and 123 to 313
Displacement      165 Tons
Length:                 105 Feet (32 metres)
Beam:                   23 Feet (7 metres)
Draft:                    9 feet 6 inches. (2.9 Metres)
Engine:                 Diesel. 500 BHP.
Speed:                  12.65 Miles per hour. (11 knots)
Complement:      20 Officers and men.
Armament:          Two 20 mm Anti-aircraft guns
                              Two machine guns.

Watch these short videos about the Wildfire III Minesweepers.
Minesweepers:
https://youtu.be/aTsYiZFzv5M
D-day minesweepers:
https://youtu.be/ZjlA5LxCAsg
Clearing the Scheldt:
https://youtu.be/8ELsc9T3Lbw
The Relief of Holland:
https://youtu.be/GghYEFHmOfY

If you, your father or your grandfather have any additional information about this ship, crew lists, stories, photographs, please send copies of them to be added to our records and this website.

Thank you.
Contact: johntenthousand@yahoo.co.uk

RETURN TO SHIP DATABASE.
Click here


RETURN TO FRONT PAGE.
Click here
 

MMS.45, J 545.  Built by Richards Ironworks Ltd., Lowestoft, England. Commissioned Oct 1941.

​5 June 1944, (and rest of June)  MMS 45 swept inshore off the Normandy (D-day) beaches.

13th June, 1944. Damaged by shell, no time out of action.

13th June 1944. PICKTHALL, Albert, Seaman, RNPS, LT/JX 403610, killed.

Like many of the Wildfire III, Queenborough MMS 45 took part in “Operation Calendar Two”. Clearing the vital water way of the Scheldt Estuary of mines and opening up the port of Antwerp to resupply Allied troops with over stretched supply lines.

OFFICERS from Navy List December 1942
(Rank. Name, Date joined ship.)
Temp. Lieutenant. RNVR. E A Cash, 20 Oct 1941
Temp. Lieutenant RNVR. R. Walthew. 28 Aug 42.

OFFICERS from Navy List June 1943
Temp. Lieutenant. RNVR. E A Cash, 20 Oct 1941
Temp. Lieutenant RNVR. R. Walthew. 28 Aug 42.

OFFICERS from Navy List June 1944
Temp. Lieutenant. RNVR. E A Cash, 20 Oct 1941
Temp. Sub Lieutenant. RNVR. H. E. Clarke. 14 July 43.

Motor Minesweeper MMS 25 would have looked the same as her sister ship, MMS 192. Note, the Acoustic “hammer” on the bow in the up position used to sweep for acoustic mines and the drum on the stern for the LL cables used to detonate magnetic mines.

MMS 45