AAIB investigation to Socata TB-20 Trinidad, G-BSCN
Landing gear hydraulic failure and collapse on landing, Blackbushe Airport, Hampshire, 25 January 2025
The aircraft had been flown on a night navigation exercise and returned to Blackbushe Airport. The pilot was configuring the aircraft to land and selected landing gear down. However, initially only the right main and nose landing gear indicated down and locked whilst the left gear down-and-locked light remained unlit, indicating an unsafe condition. Various attempts to rectify the problem by recycling the landing gear and using the emergency extension system were unsuccessful, with all three landing gears now showing as not locked down. During a low flypast the airfield staff confirmed the landing gear appeared down so the pilot decided to continue with a landing. Soon after touchdown the right landing gear collapsed and the aircraft came to a stop. The landing gear malfunction was caused by a failure of the electrically driven hydraulic power pack.
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