No fatalities

Helicopter Tail Rotor Strikes Terrain During Skiing Passenger Drop-off

Juneau, AK, United States

On April 28, 2019, an AEROSPATIALE AS350 B2 operated by Coastal Helicopters Inc was involved in an aviation accident near Juneau, AK. No fatalities were reported. Investigators recorded the probable cause as: The pilot's failure to maintain a proper approach to landing on a ridge and his failure to maintain clearance from snow-covered terrain, which resulted in a tail rotor strike. This summary draws on records from NTSB; 12 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 1785761257Data APIEditorial standards

A helicopter's tail rotor contacted snow-covered terrain while landing on a ridge/saddle to drop off skiers, resulting in substantial damage to the tail boom and tail rotor gearbox mounting surface.

Incident Overview

A helicopter pilot reported that during the second landing on a ridge or saddle, while dropping off passengers for recreational skiing, the tail rotor contacted a higher spot of snow-covered terrain. The aircraft sustained substantial damage to the tail boom and the mounting surface for the tail rotor gearbox.

Pilot Account

The pilot stated that there were no preaccident mechanical failures or malfunctions with the helicopter that would have precluded normal operation. The event occurred during the landing phase of a passenger drop-off operation.

Damage Assessment

The tail rotor strike caused substantial damage to the tail boom and the mounting surface for the tail rotor gearbox. No other damage was reported.

Additional Context

The incident took place on a ridge/saddle terrain feature, which the pilot described as the second landing at that location. The helicopter was being used to transport passengers for recreational skiing activities. The exact time of day, weather conditions, and other environmental factors were not reported in the available source.

Contributing factors

Descent/approach/glide path — Not attained/maintainedPilotEffect on operation