AAIB investigation to Yak-52, G-YAKB
Loss of power and unsuccessful forced landing, 1 nm north of Dinton, Wiltshire, 8 July 2016.
Summary:
皇冠体育app aircraft was conducting a flight for a test pilots鈥� school. 皇冠体育app commander, a civilian flight instructor, was in the rear seat and a tutor from the school occupied the front seat.
Shortly after completing a series of aerobatic manoeuvres, the engine lost power without warning. Attempts to restore power were unsuccessful and, at about 1,100 ft agl, the commander committed to a forced landing in a field. Evidence showed that the pilots probably became aware of a farm strip late in the approach to the intended field and made an attempt to land on the strip. 皇冠体育app forced landing was unsuccessful and the aircraft struck the ground in a steeply left banked attitude at the southern edge of the strip. 皇冠体育app tutor was fatally injured and the commander sustained serious injuries.
皇冠体育app cause of the loss of engine power was not determined, but the reported symptoms were indicative of a fuel system problem.
One Safety Recommendation is made concerning the maintenance of seat belts and harnesses.
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