NTSB Identification: SEA82FA129
Nonscheduled 14 CFR Part 135: Air Taxi & Commuter
Accident occurred Saturday, July 24, 1982 in 11NM EAST OF SI, AK
Probable Cause Approval Date: 07/24/1983
Aircraft: CESSNA A185F, registration: N9682Q
Injuries: 4 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.

AFTER DEPARTING SITKA THE ACFT PROCEEDED GENERALLY EAST VIA BLUE LAKE, BLUE LAKE PASS & THE "CUT", A RIDGE ORIENTED NE/SW WITH AN ELEVATION OF APPROXIMATELY 3000 FT MSL. THE IMPACT SITE WAS ABOUT 1 NM SE OF THE CUT ON THE NORTH FACE OF THE VALLEY. BOTH STALL FENCES, LOCATED ON THE UPPER SURFACE OF EACH WING WERE FOUND IMBEDDED IN THE GROUND. THEIR POSITION CORRESPONDED ROUGHLY TO WHERE THEY WOULD HAVE BEEN LOCATED HAD THE ACFT FALLEN TO THE GROUND VERTICALLY & IN A RELATIVELY FLAT ATTITUDE. SEVERAL PLTS OPERATING IN THE VICINITY OF THE ACCIDENT SITE & BLUE LAKE PASS WITHIN SEVERAL HOURS AFTER THE ACCIDENT REPORTED TURBULENCE & STRONG NORTHWESTERLY WINDS. THERE WERE ALSO SEVERAL REPORTS OF CLOUD SPILLOVER TO THE LEE SIDE OF THE CUT INDICITIVE OF DOWNDRAFTS.

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

IN-FLIGHT PLANNING/DECISION..IMPROPER..PILOT IN COMMAND

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

PROPER ALTITUDE..NOT MAINTAINED..PILOT IN COMMAND

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

FLIGHT CONTROLS..IMPROPER USE OF..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..HIGH TERRAIN


Contributing Factors

TERRAIN CONDITION..MOUNTAINOUS/HILLY


Contributing Factors

WEATHER CONDITION..HIGH WIND


Contributing Factors

WEATHER CONDITION..TURBULENCE


Contributing Factors

WEATHER CONDITION..DOWNDRAFT

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