Coastal Helicopters, Inc

Operated by Coastal Helicopters Inc (per NTSB report)

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.

Operated by COASTAL HELICOPTERS INC (per NTSB report)

The helicopter’s movement during startup in gusting wind conditions, which resulted in the main rotor striking the tailboom.

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

The pilot's decision to depart into an area of degraded visual meteorological and flat light conditions, which resulted in a loss of visual references and subsequent controlled flight into terrain.

Operated by COASTAL HELICOPTERS INC (per NTSB report)

Upslope wind conditions while the helicopter was operating at ground idle, which resulted in the helicopter rollover. Contributing to the accident was the lack of manufacturer data regarding the effect of upslope wind conditions on helicopter ground idle operations.

Operated by Coastal Helicopters (per NTSB report)

The pilot's failure to maintain clearance from snow-covered terrain during the landing approach in flat light conditions.

Operated by COASTAL HELICOPTERS INC (per NTSB report)

The pilot's failure to maintain adequate altitude/clearance from terrain while maneuvering in adverse weather conditions. Factors associated with the accident are the pilot's decision to continue flight into adverse weather, fog, whiteout and flat light conditions.

Operated by COASTAL HELICOPTERS, INC. (per NTSB report)

THE PILOT-IN-COMMAND'S FAILURE TO ASSURE THAT HE HAD THE PROPER CLEARANCE FROM OBSTRUCTIONS PRIOR TO LANDING ON THE PLATFORM. A FACTOR IN THE ACCIDENT WAS THE HIGH OBSTRUCTION (TREE STRUMP).

Sanction: $7,000 · case closed 1999-07-21

Part: TACHOMETER — SEPARATED (MOUNTED OUTSIDE) · airframe 5,293 hrs

THE PLASTIC FACE FELL OFF THE SENSOR TACH AND PULLED THE COPPER WIRE OUT OF THE SENSOR WRAPING AROUND THE PHONIC WHEEL, CAUSING OTHER DAMAGE.

Part: BLADE — CRACKED (TAIL ROTOR)

TAIL ROTOR BLADE ASSEMBLY HAS CRACK IN SKIN. ORDER NEW TAIL ROTOR BLADE.

Part: FLOAT — ACTIVATED (MLG)

WHILE LOADING CARGO ON AFT CABIN FLOOR, LT FLOAT INADVERTENTLY ACTIVATED.

Part: DE-ICE BOOT — LOOSE (RT HORIZ STAB)

AIRCRAFT RETURNED TO FIELD DUE TO VIBRATION. MAINTENANCE INSPECTED AIRCRAFT AND FOUND THE TOP TRAILING EDGE OF RT HORIZONTAL STABILIZER DE-ICE BOOT HAD COME LOOSE. THE BOOT WAS RESECURED AND A FUNCTIONAL CHECK PERFORMED WITH ALL INDICATIONS NORMAL. (Z)

Part: STARTER/GEN — FAILED (LT ENGINE)

THE LEFT ENGINE WAS REPORTED THAT IT WOULD NOT ROTATE ON START ATTEMPT. MAINTENANCE REPLACED LEFT STARTER/GENERATOR AND A FUNCTIONAL CHECK PERFORMED WITH ALL INDICATIONS NORMAL AND NO LEAKS NOTED.