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Title:LIVE AIR DESCENT OF A BOOM PATROL BOAT [Allocated Title]
Film Number:ADM 1004
Summary: Trial of a parachute decent of a manned patrol boat from a Lancaster aircraft.
Description: Opening shot through doors of bomb bay as boom patrol boat is released from beneath camera aircraft - drogue opens, followed by three main 96 ft parachutes. Cut to slow motion aerial LS of Avro Lancaster aircraft as the boat is dropped - camera aircraft's starboard wing masks the opening of the main parachutes. Camera holds on descending boat - as it hits the sea, two of the 'chutes collapse. A small motor launch approaches the splash down. Cut to LS from small craft (very shaky), as Lancaster flies over and releases boat - the camera holds on the parachutes for most of the descent. Camera aircraft closes on splash down point - manned patrol boat makes away from spent parachutes.
Notes: Information supplied by a retired RAF Fitter Armourer and ex Royal Marine identifies the event as the successful trial of a parachute decent of a patrol boat manned by Capt David Cox RN from a modified RAF Lancaster of 617 Squadron. Trial carried out near Teignmouth in Devon in July or August 1945 under the command of Lt Commander Bill Ladbroke and Barnes Wallis. The boat was designed to carry high explosives fitted in the bow and was known as EMB ( Explosive Motor Boat). The boat used for the trial was weighted equivalent the intended high explosive load.