NTSB Identification: SEA85FA208.
The docket is stored on NTSB microfiche number 28637.
Accident occurred Saturday, September 07, 1985 in WENATCHEE, WA
Aircraft: PIPER PA-25-235, registration: N7340Z
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.

AFTER TWO APPLICATION RUNS, PLT APPARENTLY ATTEMPTED TO SHORTEN THE RACE-TRACK PATTERN BY INITIATING THE INBOUND TURN INTO A CANYON. ACFT WAS OBSERVED TO CLIMB CLEAR OF THE CANYON WALL NEAR COMPLETION OF TURN, BUT LOAD WAS JETTISONED AT THIS POINT AND THE ACFT DESCENDED SHARPLY INTO A SECOND, NARROW CANYON JUST SHORT OF THE OBJECT CROP, WHICH WAS SITUATED ON A PLATEAU, AND IMPACTED TERRAIN, INTENSE GROUND FIRE SUBSEQUENTLY CONSUMED NON-METTALIIC STRUCTURE OF THE ACFT. INVESTIGATION REVEALED THE ACFT IMPACTED WITH HIGH VERTICAL FORCES AND LITTLE FORWARD MOMENTUN. NO EVIDENCE WAS FOUND OF ANY MALFUNCTION OR FAILURE IN THE ACFT STRUCTURE, SYSTEMS OR POWERPLANT.

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

AIRCRAFT HANDLING..NOT MAINTAINED..PILOT IN COMMAND

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

STALL/MUSH..INADVERTENT..PILOT IN COMMAND


Contributing Factors

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


Contributing Factors

OVERCONFIDENCE IN PERSONAL ABILITY..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..RISING


Contributing Factors

CLEARANCE..MISJUDGED..PILOT IN COMMAND

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