Flintshire

The crew was performing a night training exercise out from RAF Sealand. While flying in the vicinity of the airbase, the twin engine aircraft went out of control and crashed in a pasture located in Queensferry. Both crew members were killed.
Crew:
Sgt Peter William Roberson, pilot,
Sgt Thomas George Horsfield, pilot.

The crew (two student pilots and one instructor) were performing a training exercise out from RAF Sealand. During the takeoff run, the gear were retracted prematurely. The aircraft skidded on its belly, swerved and came to rest on the runway. While all three occupants were uninjured, the aircraft was damaged beyond repair.
Crew:
AC1 Henry E. Pugh,
Sgt John G. Stewart +1.

The crew was engaged in a local training exercise on behalf of the 5th FTS based at RAF Sealand. After takeoff, the twin engine aircraft encountered problems to gain height and hit an obstacle located at the end of the runway before crashing on the ground. While both crewmen were injured, the aircraft was destroyed.

Following a territorial surveillance mission, the crew was returning to his base at RAF Sealand. On approach, the visibility was poor due to the night and foggy conditions. Pilots missed the runway, overshot and landed long. After touchdown, the twin engine aircraft was unable to stop within the remaining distance, overran and collided with a tree. Both crew members were injured while the aircraft was damaged.

The crew was performing a ferry flight to RAF Sealand. The airplane overshot runway and hit a fence at the end of the terrain before crashing in a muddy field. Both crew members were injured and the aircraft was destroyed.

The pilot was completing a local solo training sortie at RAF Sealand. On approach, in circumstances that remains unclear, the aircraft collided with another RAF Avro 504N registered J8533 with two pilots on board. Following the collision, both aircraft dove into the ground and crashed near the airfield. One crew on board J8533 survived while both other crew members were killed.
Crew involved:
F/Lt Murray Meyrick Restell-Little, †
P/O John Frederick Napier Fairbanks, †
P/O Patrick Hunter Dunn.

The crew was completing a local training sortie at RAF Sealand. On approach, in circumstances that remains unclear, the aircraft collided with another RAF Avro 504N registered J8676 with one pilot on board. Following the collision, both aircraft dove into the ground and crashed near the airfield. One crew on board J8533 survived while both other crew members were killed.
Crew involved:
F/Lt Murray Meyrick Restell-Little, †
P/O John Frederick Napier Fairbanks, †
P/O Patrick Hunter Dunn.

Sole on board, the pilot was completing a local training flight at RAF Sealand. Shortly after takeoff, the single engine aircraft went out of control and crashed. The pilot P/O Arthur George Mace was killed.

The pilot, sole on board, was completing a local training flight at RAF Shotwick (later called RAF Sealand). On final approach, the single engine airplane stalled and crashed, killing the pilot F/O Denis Arthur Mullan.