British European Airways Flight 548 was a scheduled passenger flight from London Heathrow to Brussels that crashed into the outskirts of the town of Staines, Surrey, England, soon after take-off on 18 June 1972, killing all 118 people on board. The accident became known as the Staines air disaster. , it remains the deadliest air accident (as opposed to terrorist incidents) in the United Kingdom and was the deadliest air accident involving a Hawker Siddeley Trident. Though two people - both passengers - initially survived, both died at the scene of the crash from their injuries.