No fatalities

Night Training Accident at London-Heathrow Involving Star Watch (G-AGUL)

London-Heathrow, United KingdomLanding (descent or approach)

On October 23, 1947, an Avro 691 Lancastrian (registration G-AGUL) operated by British South American Airways - BSAA was involved in an aviation accident near London-Heathrow, United Kingdom during landing or approach. No fatalities were reported. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 8 related events involving the same aircraft type or operator are linked below.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Source recordUpdated 2026-08-05Data APIEditorial standards

Aircraft ground looped after landing during a night training mission at London-Heathrow, resulting in total loss of the airframe while all four crew members remained uninjured.

What happened

The incident occurred during a night training mission conducted at London-Heathrow Airport. As the aircraft completed its approach and made contact with the runway surface, it immediately lost directional control. The machine entered an uncontrolled ground loop, sliding across the pavement until it came to a complete stop. Despite the severity of the event, all four members of the crew escaped without injury.

Findings

The structural damage sustained by the airframe was extensive. The aircraft, which bore the name Star Watch, was declared damaged beyond repair and written off following the accident.