NTSB Identification: SEA82DYE06
14 CFR Part 91: General Aviation
Accident occurred Saturday, April 24, 1982 in GREENWATER, WA
Probable Cause Approval Date: 04/24/1983
Aircraft: BEECH 23, registration: N6079N
Injuries: 1 Fatal.

AT ABOUT 1620 LOCAL TIME ON 4/24/82, THE AIRCRAFT DEPARTED BURLEY, ID AND PROCEEDED ON A VFR FLIGHT PLAN TO TACOMA, WA. THE MOUNTAINS EAST OF SEATTLE WERE OBSCURED BY AN OVERCAST CEILING BEGINNING AT 3500 FT. DURING A DESCENT FROM 10,500 FT INTO THE SEATTLE TERMINAL AREA, THE AIRCRAFT CRASHED IN MOUNTAINOUS TERRAIN AT 3500 FT MSL. THE SEATTLE WEATHER WAS 3500 BRKN, VIS 15, TEMP 47, DEW PT 32, WIND 020 AT 5 KTS. THE TOP OF THE CEILING WAS ESTIMATED AT 7200 FT. AN AMERICAN AIRLINES CAPTAIN REPORTED SEEING THE AIRCRAFT IN A CONTROLLED DESCENT INTO A CLOUD LAYER.

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

PROPER ALTITUDE..NOT MAINTAINED..PILOT IN COMMAND


Contributing Factors

LIGHT CONDITION..DARK NIGHT


Contributing Factors

WEATHER CONDITION..CLOUDS


Contributing Factors

FLIGHT INTO KNOWN ADVERSE WEATHER..CONTINUED..PILOT IN COMMAND


Contributing Factors

LACK OF TOTAL INSTRUMENT TIME..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..MOUNTAINOUS/HILLY


Contributing Factors

TERRAIN CONDITION..HIGH TERRAIN

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