ASN Wikibase Occurrence # 35601
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| Date: | Friday 15 May 1998 |
| Time: | 10:15 LT |
| Type: |  Cessna 172M |
| Owner/operator: | Michael R. Jassaud |
| Registration: | N9212H |
| MSN: | 17266018 |
| Year of manufacture: | 1975 |
| Total airframe hrs: | 2864 hours |
| Engine model: | Lycoming O-360-A1A |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Palmer, AK -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Big Lake, AK (BGQ) |
| Petersburg, AK (PSG) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The noninstrument rated private pilot was issued adverse condition warnings and urgent pilot reports for severe turbulence. His route of flight took him up channeled, mountainous terrain requiring a climb to a minimum of 9,000 feet msl. Winds aloft were forecast to be between 28 and 41 knots. Surface winds were forecast to be in a downslope direction at 25 knots gusting to 50 knots from channeled terrain. Cessna 172 performance charts for the 180 horsepower engine indicate a maximum climb rate available of 405 feet per minute at 8,000 feet pressure altitude. Ceilings of 8,500 feet were reported on the west side of the mountains. The pilot radioed that he was going to try to get on top through a hole. The airplane was located on the west side of a peak, in deep snow, at 8,600 feet msl, about 40 hours after the departure. The Emergency Locator Transmitter signal was masked by terrain and wreckage. Both occupants were lightly dressed, and appeared to have survived the impact. The pilot was described by acquaintances as inexperienced and prone to taking chances with the airplane.
Probable Cause: The pilot's intentional flight into known adverse weather conditions. Contributing factors were the terrain induced turbulence, clouds, the pilot's overconfidence in his abilities, and mountainous terrain conditions.
Accident investigation:
 |
|
Sources:
NTSB ANC98FA048
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:22 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 07-Apr-2024 12:31 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Source, Narrative, Category, Accident report] |
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