NTSB Identification: ANC96FA141.
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Accident occurred Monday, September 02, 1996 in EAGLE RIVER, AK
Probable Cause Approval Date: 03/31/1998
Aircraft: Cessna 172, registration: N8739B
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.

Two certificated airline transport pilots and a passenger planned an aerial scouting flight, looking for sheep in mountainous terrain. After departure, the flight did not return and the airplane was located crashed into the side of a steep box canyon. All of the occupants were located outside of, and downslope from the wreckage, having egressed from the wreckage through the left door. The manner and circumstances of their egress was not determined. No mechanical malfunction of the engine or airframe were found.

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

The first pilot's failure to maintain sufficient distance/altitude from terrain. A box canyon and mountainous terrain are factors in the accident.

Full narrative available

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