Armstrong Whitworth AW.41 Albemarle

The crew left RAF Brize Norton on a supply mission to the French Resistance. While cruising by night, the twin engine aircraft was mistakenly shot down by the pilot of a RCAF fighter and crashed in an open field. All six occupants were killed.
Crew (296th Squadron):
W/O Bruce Stenning, pilot,
F/Sgt Edwin Raymond Abell,
F/Sgt Alan Francis Elwood,
F/Sgt Charles Alfred Hammond,
F/Sgt Frederick Norman Manton,
F/Sgt Ralph Cowham.

While taxiing, the brakes failed. The aircraft veered off taxiway and collided with a transformer. Nobody was hurt while the aircraft was damaged beyond repair.

The twin engine aircraft left Bournemouth-Hurn at 2112LT on 03MAR1944 on a parachute supply mission to the French Resistance. While approaching Châteaudun by night and at low height, the aircraft was shot down and crashed in a field. All five occupants were killed.
Crew:
Flight Officer C. J. Elmer,
Flight Officer J. H. Hood,
Flight Officer T. J. Adamson,
Sergeant E. J. Atkinson,
Sergeant J. Davies.

The crew was performing a training exercise from/to Bournemouth-Hurn Airport. On final approach, the right engine failed due to a lack of oil pressure. The captain abandoned the approach and started a go around. During the second attempt to land, the aircraft turn onto its back and crashed in a field located short of runway. Three crew members were killed while the fourth occupants was injured.

The crew was performing a test flight on this second production series. 45 minutes after departure, the crew informed ground about oil pressure problem on the left engine that was feathered. On a single engine approach to RAF Hucclecote, while at a height of 100 feet in marginal weather conditions (rain falls and gusty winds), the aircraft went out of control and crashed in flames. All four crew members were killed.
Source: http://aviation-safety.net/wikibase/wiki.php?id=141412

The airplane was engaged in Operation 'Fustian' in Sicily. It failed to return to base and was lost without trace.
Crew:
F/O Robert Tope Hamer, pilot,
W/O James Jonathan Kunz, navigator,
F/Sgt Hugh Sloan, wireless operator,
F/Sgt James Berry, air gunner.

The airplane was engaged in Operation 'Fustian', its purpose was to take paratroops and gliders with troops and equipment to the Primosole Bridge leading from the hills into the Catania region. In unclear circumstances, it crashed into the sea off the target and was lost. All five crew members were rescued.
Crew:
F/Lt Victor Graham Houchin, pilot,
F/O Peter Cozens Hunt, observer,
F/O George Edward Kempster, navigator,
F/O Colin Barby, wireless operator,
Sgt L. W. F. Cockman, air gunner.

The airplane was engaged in Operation 'Fustian', its purpose was to take paratroops and gliders with troops and equipment to the Primosole Bridge leading from the hills into the Catania region. While taking off from Goubrine AFB, the airplane stalled and crashed. All occupants escaped uninjured.

The airplane was engaged in Operation 'Fustian', its purpose was to take paratroops and gliders with troops and equipment to the Primosole Bridge leading from the hills into the Catania region. After its drop, the airplane turned back to base when it was shot down by Flak and was ditched into the sea off Catania. All four crew members were rescued.

The airplane departed Goubrine AFB on a special mission of sabotage behind the enemy lines, operation coded 'Chestnut I'. It failed to return to base and is believed to have been shot down by friendly fire and probably crashed somewhere into the Mediterranean Sea, possible between Malta and Sicily. Lost without trace.
Crew:
W/Cdr Peter Rodriguez May,
F/Lt George Hood,
F/Lt John Clark,
F/Lt Terence Delancey Neill,
W/O Frank Holman Huntington Elliott.