Robinson R22 Safety Record

The pilot's decision to attempt a takeoff in a high density altitude high gross weight condition that exceeded the takeoff performance capability of the helicopter. The pilot's failure to maintain adequate rotor rpm was also causal. Contributing factors were the high density altitude and the uneven high elevation terrain.

The student's improper use of the anti torque pedals during a practice hover autorotation, which resulted in the helicopter rolling over. Additional causes of the accident were the certificated flight instructor's inadequate supervision of the maneuver and delayed remedial action.

An inadvertent settling with power, and the instructor's failure to maintain control of the helicopter, resulting in a hard landing. Contributing to the accident was the downdraft.

The V-drive belts' rolling off the sheaves for undetermined reasons, resulting in a loss of power to the rotor system, and the pilot's failure to maintain adequate rotor rpm during the autorotation, resulting in a hard landing.

The student pilot's improper use of the flight controls while performing a hovering autorotation and the flight instructor's excessive remedial action which resulted in a hard landing.

The student pilot's improper execution of low rotor rpm procedures. Contributing to the accident was the flight instructor's inadequate supervision, failure to guard the throttle, and failure to take immediate remedial action.

a failure of the main rotor drive system V-belts due to damage sustained when the alternator drive belt failed and pieces of that belt got between the main drive belts and their associated pulleys. A contributing factor was the uneven terrain encountered in the forced landing.

The private pilot's failure to maintain the proper airspeed and main rotor rpm, which resulted in a high rate of descent and subsequent hard landing. Also causal was the certificated flight instructor's delayed remedial action.

An excessive descent rate during a simulated power-off autorotation, and the pilot's failure to initiate corrective action in time to keep the helicopter from impacting the terrain.

The pilot's failure to maintain aircraft control during an encounter with the loss of tail rotor effectiveness. Contributing factors were the high density altitude and the power lines.

The certified flight instructor's inadequate supervision of the practice autorotation. Contributing factors included the terrain drop off and the failure of the pilot undergoing instruction to maintain adequate rotor rpm.

The student pilot's improper use of the flight controls, which induced a dynamic rollover. Also causal was the certificated flight instructor's inadequate supervision and delayed remedial action.

Clearance was not maintained after landing by the instructor pilot, which resulted in an on ground collision with the helicopter standing near the refueling pumps. The aircraft standing in the refueling area was a factor.

The student pilot's improper use of the collective and cyclic control, which induced a dynamic rollover. Also causal was the certificated flight instructor's inadequate supervision and delayed remedial action.