NTSB Identification: SEA83FAD01
14 CFR Part 91: General Aviation
Accident occurred Monday, November 08, 1982 in STARFISH, AK
Probable Cause Approval Date: 11/08/1983
Aircraft: AEROSPATIALE S350D, registration: N3597Q
Injuries: 2 Fatal.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

WHEN THE FLT ARRIVED AT ANITA BAY THERE WERE AREAS OF GROUND FOG MOVING IN & OUT OVER THE LOGGING CAMP LANDING SIGHT. THE HELICOPTER WAS OBSERVED TO FLY OVER THE CAMP & BACK OUT ACROSS THE BAY. SHORTLY AFTER THE HELICOPTER WAS OUT OF SIGHT A NOISE SOUNDING LIKE AN EXPLOSION WAS HEARD. THE HELICOPTER WAS FOUND UPSIDE DOWN IN WATER. THE LEFT FLOTATION DEVICE WAS INFLATED BUT THE RIGHT WAS STILL IN THE NORMAL STOWED POSITION. THE PLT ACTIVATED DISCHARGE SWITCH WAS FOUND IN THE UNGUARDED POSITION.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

REASON FOR OCCURRENCE UNDETERMINED

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

MISC ROTORCRAFT,EMERGENCY FLOATATION GEAR..INOPERATIVE


Contributing Factors

AUTOROTATION..PERFORMED..PILOT IN COMMAND


Contributing Factors

FLARE..PREMATURE..PILOT IN COMMAND

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