NTSB Identification: SEA88FA156.
The docket is stored on NTSB microfiche number 36457.
Nonscheduled 14 CFR
Accident occurred Thursday, August 18, 1988 in SITKA, AK
Probable Cause Approval Date: 06/09/1989
Aircraft: de Havilland DHC-2 MARK 1, registration: N64398
Injuries: 1 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.

WHILE ON A FLIGHT FROM SITKA TO ROWAN BAY, ALASKA, THE PILOT FLEW UP A VALLEY INTENDING TO CROSS A PASS WHOSE ELEVATION WAS 2745 FEET MSL. UPON APPROACHING THE PASS THE PILOT ENCOUNTERED CLOUDS WHICH PREVENTED HIS TRANSIT. THE PILOT THEN EXECUTED A 180 DEGREE RIGHT COURSE REVERSAL AND AT SOME POINT NEAR THE COMPLETION OF THE MANEUVER AND IN CLOSE PROXIMITY TO THE STEEP TERRAIN ALONG THE WESTERN EDGE OF THE PASS THE PILOT ALLOWED THE AIRCRAFT TO ENTER A STALL CONDITION. THE AIRCRAFT IMPACTED THE 40 DEGREE SLOPED TERRAIN IN A STEEP NOSE DOWN, NEAR WINGS LEVEL ATTITUDE AND WITH A STEEP FLIGHT PATH.

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

WEATHER EVALUATION..INADEQUATE..PILOT IN COMMAND

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

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

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

STALL..INADVERTENT..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..CLOUDS


Contributing Factors

TERRAIN CONDITION..MOUNTAINOUS/HILLY

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