NTSB Identification: SEA83FA196
14 CFR Part 91: General Aviation
Accident occurred Sunday, June 13, 1982 in SANDY, OR
Probable Cause Approval Date: 06/13/1983
Aircraft: MOONEY M-20, registration: N231AW
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.
THE ACFT CRASHED INTO RISING TERRAIN IN MARGINAL WEATHER CONDITIONS. NO FLT PLAN HAD BEEN FILED. THE ACFT CRASHED 25 MILES FROM THE TAKEOFF POINT ON 6/12/82 AND WAS MISSING UNTIL 9/9/83. THE PILOT HAD RECEIVED A WEATHER BRIEFING FROM PORTLAND FSS INDICATING CEILINGS OF 1400 TO 1500 FT AGL AND VISIBILITIES OF 4 TO 5 MILES IN LIGHT RAIN. THE REPORTING STATIONS ELEVATIONS RANGE FROM 23 TO 243 FT MSL. THE ACFT CRASHED AT AN ELEVATION OF 2300 FT MSL IN RISING TERRAIN. THE WRECKAGE INDICATED CONTACT WITH THE TREES WAS MADE IN LEVEL FLT AT HIGH CRUISING SPEED.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:PREFLIGHT PLANNING/PREPARATION..INADEQUATE..PILOT IN COMMAND
The National Transportation Safety Board determines the probable cause(s) of this accident to be:WEATHER EVALUATION..IMPROPER..PILOT IN COMMAND
The National Transportation Safety Board determines the probable cause(s) of this accident to be:IN-FLIGHT PLANNING/DECISION..IMPROPER..PILOT IN COMMAND
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