Oxfordshire

The crew was completing a training sortie from RAF Upper Heyford. In flight, the instructor deliberately shut down an engine to simulate a failure. Few minutes later, one of the pilot under instruction inadvertently shot down the second engine. The crew was unable to restart the engine and the instructor decided to attempt an emergency landing. The aircraft belly landed in a pasture located in Middle Aston, about 2 miles northwest of the airfield. The aircraft came to rest and was written off while all four crew members were unhurt.

During the takeoff roll, directional control was lost. The crew tried to take over but the aircraft overran, went through a railroad and came to rest. All five crew members were unhurt while the aircraft was damaged beyond repair.

Ground looped on landing at RAF Chalgrove and came to rest. The pilot Ralph D. Campbell Jr. was unhurt while the aircraft was damaged beyond repair.

En route, the engine failed, forcing the pilot to attempt an emergency landing. On final, the aircraft went out of control and crashed in a field located in Stanton Harcourt, west of Oxford. While the pilot was injured, the aircraft was damaged beyond repair.
Crew:
Harvey T. Bonser, pilot.

Shortly after take off, while on a night training exercise, the aircraft failed to gain height, hit trees located past the runway end and crashed. Both pilots were killed.
Crew (6th AFU):
F/O H. A. Kallend, pilot,
Sgt James Greenall, pilot.

The crew left RAF Pershore at 1655LT on a cross country training flight. While cruising at an altitude of 3,000 feet, pilot lost control of the aircraft that dove into the ground and crashed in an open field. All five crew members were killed.
Crew (23rd OTU):
F/Sgt Charles George MacDonald, pilot,
P/O Cyril Dinham Chant, navigator,
P/O Arthur Walter Smith, wireless operator and air gunner,
P/O Lloyd George Morrison, wireless operator and air gunner,
Sgt Francis William Sims.
Source: http://www.aircrewremembrancesociety.co.uk/styled-5/styled-9/styled-176/index.html

En route, while cruising at low height, the twin engine aircraft hit power cables, stalled and crashed in a field. Two crew members were killed while all three other occupants were injured.
Crew (21st OTU):
Sgt Ernest Brocklebank,
Sgt. T. A. Worley 3.

Following a raid on Rennes, the crew made a stop at RAF Stoke Orchard before returning to RAF Abingdon. On final approach to RAF Abingdon, the airplane crashed near Wooton, north of the airfield. Three crew members were killed and a fourth was injured.
Crew:
Sgt George Alfred Medd, wireless operator, †
F/Sgt Henri Phalempin, observer, †
P/O Dalton Eastman Vipond, †
Sgt E. V. Conwell.

Two pilots and one instructor were performing a local training exercise on behalf of the 15 Army Training School. After liftoff, the airplane encountered difficulties to gain height, hit the tail of a parked Lockheed Hudson, stalled and crashed near the runway end, bursting into flames. Both pilots were killed and the gunner was injured.
Crew:
Sgt Robert Harvey Riedy, pilot, †
F/Sgt Charles Gordon Wiley, pilot, †
Sgt W. J. D. Carter, air gunner.

The crew was engaged in a local training exercise at RAF Abingdon. In unknown circumstances, the airplane crashed in a field located one mile south of the airbase. A crew suffered a broken leg.
Crew:
P/O Lewis,
F/Sgt Redford.