What happened
The incident occurred while a pilot was conducting a solo training sortie in the vicinity of RAF Sealand. During the approach phase, the aircraft involved collided mid-air with another Avro 504N bearing the registration J8533. The second aircraft was carrying two pilots on board. Following the impact, both planes lost control and descended rapidly to the ground, crashing in the area near the airfield.
The crash resulted in significant casualties. One member of the crew aboard J8533 survived the accident. However, the other two individuals involved in the incident were killed. The specific circumstances leading to the mid-air collision remain unclear based on the available records.