ASN Wikibase Occurrence # 356977
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| Date: | Thursday 25 July 1996 |
| Time: | 21:35 LT |
| Type: |  Cessna 172M |
| Owner/operator: | Inter State Aviation, Inc. |
| Registration: | N61842 |
| MSN: | 17264836 |
| Year of manufacture: | 1975 |
| Total airframe hrs: | 5778 hours |
| Engine model: | Lycoming O-320-E2D |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Nez Perce, ID -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Kooskia, ID (S82) |
| Pullman, WA (KPUW) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
After takeoff, the pilot elected to turn up a valley which would provide the most direct route to his destination. Once committed to that route of flight, he realized that the aircraft could not out-climb the rising terrain. He attempted to land the aircraft at the point where its climb gradient intersected the terrain, but it impacted trees during his attempted emergency landing. Later calculations determined the density altitude to be approximately 5,000 feet.
Probable Cause: the pilot's improper in-flight decision to turn up a canyon, which the aircraft was unable to out-climb. Factors relating to the accident were: high ambient temperature, high density altitude, blind/box canyon, and trees in the area where the aircraft's climb profile caused it to come in contact with the raising terrain.
Accident investigation:
 |
|
Sources:
NTSB SEA96LA169
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 13-Mar-2024 12:53 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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