Motor Minesweeper MMS 287 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.

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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 explodes acoustic mines. 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 detonates magnetic mines.

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.

MMS 287, Built by John Morris, Gosport.

17th October 1943, Damaged by a Shell. Time out of action, 7 weeks.

Like many of the Wildfire III, Queenborough MMS 287 took part in the D- Day landings and “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.

OFFICERS from the Navy List June 1943.

OFFICERS from the Navy List June. 1944.
Temp. Lieut. RNVR, G. P. B. Hockley. (In Command) 23 Aug 43.
Temp. Lieut. RNVR, H. J. Scott. 23 Aug 43.

OFFICERS from the Navy List January 1945.
Temp. Lieut. RNVR. I. O. Rogers (In Command) 26 Oct 44.
Temp. Lieut. RNVR, H. J. Scott. 23 Aug 43.

OFFICERS from the Navy List July 1945.
Temp. Lieut. RNVR, H. J. Scott. (In Command) 23 Aug 43.
Temp. Sub-Lieut. RNVR, H. R. Harrison. 

Watch these short videos about the Wildfire III Minesweepers.
D-day minesweepers:
Clearing the Scheldt:
The Relief of Holland:

MMS 287