NTSB Identification: SEA82FYP09
14 CFR Part 91: General Aviation
Accident occurred Saturday, July 17, 1982 in WENATCHEE, WA
Probable Cause Approval Date: 07/17/1983
Aircraft: CESSNA 172M, registration: N72655
Injuries: 3 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.

REPORTEDLY, THE PILOT, A GEOLOGIST, WAS ON A FLIGHT TO CHECK ROCK FORMATIONS. PRIOR TO THE ACCIDENT, THE PLANE WAS OBSERVED FLYING UP A CANYON AT LOW ALTITUDE AND AIRSPEED. ABOUT 3/4 MILE FROM THE ACCIDENT SITE, TWO WITNESSES ON A ROCKY CLIFF AT ABOUT 3500 FT MSL SAW THE PLANE PASS BELOW THEIR ELEVATION, JUST ABOVE THE TREE TOPS. THE AIRCRAFT CRASHED ON A 35 DEG RISING SLOPE BETWEEN 2 PARKING LOTS AT A SKI LODGE. THE ELEVATION OF THE ACCIDENT SITE WAS ABOUT 4500 FT MSL. AN INSPECTION OF THE ENGINE AND AIRFRAME REVEALED NO PREIMPACT MALFUNCTION OR FAILURE.

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:

DISTANCE..MISJUDGED..PILOT IN COMMAND

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

AIRSPEED..MISJUDGED..PILOT IN COMMAND

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

ALTITUDE..MISJUDGED..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..MOUNTAINOUS/HILLY


Contributing Factors

TERRAIN CONDITION


Contributing Factors

WEATHER CONDITION..HIGH DENSITY ALTITUDE



Contributing Factors

TERRAIN CONDITION..RISING

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