NTSB Identification: SEA93FA206.
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Accident occurred Monday, September 20, 1993 in MULLAN, ID
Probable Cause Approval Date: 10/20/1994
Aircraft: CESSNA 180B, registration: N985DB
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 PILOT, WHO WAS ATTEMPTING TO FOLLOW THE FREEWAY THROUGH MOUNTAINOUS TERRAIN, WAS FLYING VFR UNDER LOW CEILINGS. AS HE FLEW THROUGH LOOKOUT PASS AT ABOUT 200 FEET ABOVE THE GROUND, HE ENCOUNTERED AN AREA OF FOG, SNOW AND RAIN. AFTER INADVERTENTLY ENTERING THE CLOUDS, THE PILOT CLIMBED IN A NORTHERLY DIRECTION UNTIL THE AIRCRAFT IMPACTED A RIDGE AT AN ALTITUDE THAT WAS ABOUT 900 FEET HIGHER THAN THE PASS.

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

THE PILOT'S POOR IN FLIGHT DECISION, AND HIS INADVERTENT CONTINUATION OF A VFR FLIGHT INTO INSTRUMENT METEOROLOGICAL CONDITIONS. FACTORS INCLUDE LOW CEILINGS, SNOW, FOG, RAIN, AND MOUNTAINOUS/HILLY TERRAIN.

Full narrative available

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