Primary finding
Probable cause
The student pilot’s improper use of collective and throttle during the landing flare.
Investigator assessment
Analysis narrative
In preparation for an upcoming private pilot check ride, the student helicopter pilot was performing a simulated forced landing with his certificated flight instructor (CFI). During the flare, the student abruptly pulled up on the collective and rolled the throttle closed. The engine sputtered and subsequently experienced a total loss of power. The CFI attempted to recover power; however, insufficient altitude remained and the helicopter touched down on the right skid and bounced, severing the tail boom. The CFI stated that there were no preimpact mechanical malfunctions or failures with the helicopter.
Source record
Factual narrative
In preparation for an upcoming private pilot check ride, the student pilot was performing a simulated forced landing with his flight instructor. During the flare, the student abruptly pulled up on the collective and rolled the throttle the wrong way. The engine sputtered, then shut off. The instructor attempted to recover the engine, however insufficient altitude was available. The helicopter landed on the right skid and bounced, breaking off the tail boom. The instructor stated that there was no mechanical malfunction or failure with the helicopter during the accident sequence.