Ocean Helicopters, Inc.

Operated by Ocean Helicopters (per NTSB report)

The certificated flight instructor's failure to maintain helicopter control during a run-on landing, resulting in a rollover and ground collision.

Operated by Ocean Helicopters Inc (per NTSB report)

The pilot’s failure to maintain airspeed during a low-altitude turn into gusty tailwind conditions, which resulted in a loss of translational lift and settling with power. Contributing to the accident was the pilot's lack of total flight experience.

Operated by Ocean Helicopters Inc (per NTSB report)

Separation of the auxiliary fuel tank cap, which entered the tail rotor system. Contributing to the accident was the lack of a fuel tank cap restraint.

Operated by Ocean Helicopters, Inc. (per NTSB report)

A loss of engine power due to the improper installation of the right magneto by maintenance personnel resulting in subsequent loss of engine power. Contributing to the accident was the inadequate 100-Hour inspection by the mechanic when he failed to note that improper hardware were installed at both magnetos, and his failure to detect fracture of the clamping flange of the right magneto.

Operated by Ocean Helicopters Inc. (per NTSB report)

The flight Instructor's delayed activation of the throttle during recovery from a demonstartion of an autorotation resulting in touchdown on soft terrain and a nosedown.

Operated by Ocean Helicopters Inc., (per NTSB report)

The student pilot's inadvertent shutting off of the mixture control while performing the prelanding checks that resulted loss of engine power and a roll over during the subsequent forced landing.