Incident Details
On 14 May 2000 at 1520 UTC, a Piper L21B (Modified), registration G-BIMM, was conducting a private training flight at Clacton Airfield, Essex. The pilot, aged 21, held a Basic Commercial Pilot's Licence with Instructor Rating and had 760 hours total flying experience, including 300 hours on type. The aircraft was on an instructional detail with a student, with a crew of two and no passengers. Wind conditions were calm and visibility was good.
Runway Information
Grass Runway 18 was in use, measuring 610 metres in length with a displaced threshold of 108 metres, giving an available landing distance of 502 metres.
Sequence of Events
The instructor was handling the aircraft on the approach when the undercarriage struck a mound of earth short of the airfield boundary. The approach and landing were continued. Following a normal touchdown, the starboard undercarriage collapsed. The aircraft turned to the right and came to rest off the side of the runway.
Occupant and Damage Details
Both occupants were wearing four-point harnesses and were able to exit the aircraft normally without injury. The aircraft sustained damage to the undercarriage, propeller, and lower engine cowling.
Aircraft Information
The aircraft was a Piper L21B (Modified), manufactured in 1955, powered by one Lycoming O-320-A2B piston engine. It was operating under a private category for training purposes.