皇冠体育app

Schweizer 269C-1, G-CEAW

Summary:

皇冠体育app pilot was performing takeoffs and landings at Liverpool Airport when the helicopter entered ground resonance while landing. 皇冠体育app rotor rpm (NR) was too low for flight but, instead of closing the throttle, the pilot attempted to restore the NR to the normal speed. 皇冠体育app ground resonance increased rapidly and the aircraft was damaged beyond economic repair. 皇冠体育app pilot recalls losing control; his next recollection is receiving medical treatment 40 m from the helicopter. His injuries were classified as minor. 皇冠体育app helicopter鈥檚 landing gear dampers were subjected to several tests, but with inconclusive results.

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