What happened
On 17 June 2005, a MCR-01 Club, registration G-DGHI, was performing a private flight near Fridd Farm, Ashford, Kent. The pilot had previously conducted several test circuits the day before to ensure the aircraft was serviceable for a planned flight across the English Channel. During the takeoff roll from a grass strip, the pilot completed all necessary pre-flight checks and engaged the electric fuel pump. However, as the aircraft reached an altitude of approximately 150 to 200 feet, the engine experienced a sudden cough and ceased functioning.
Due to obstructions such as sheep in the field directly ahead and similar issues to the right, the pilot could not land straight on. The pilot instead opted to land to the left in a field of oilseed rape. During the touchdown, the nose landing gear leg folded upwards and backwards. While the aircraft remained upright, the impact caused damage to the propeller, the landing gear, and the under-fuselage. The pilot sustained no injuries, though they did suffer minor scratches to both hands.
The investigation
Investigators examined the engine and fuel system to determine the cause of the sudden loss of power. The aircraft, which had been constructed by the owner from a Dyn-Aero kit, was sent to the manufacturer's agent in France for further technical analysis. The investigation focused on identifying any foreign objects that could have disrupted fuel delivery to the carburettors.
Findings
- The engine failure was caused by a piece of heat-resistant sleeving, which is used to wrap hoses within the engine compartment, obstructing the fuel flow.
- The investigation concluded that this material must have been introduced during the aircraft's construction, as its location downstream of the fuel filter would have prevented it from entering the fuel tank via a dipstick or similar method.