ASN Wikibase Occurrence # 37777
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| Date: | Saturday 23 October 1999 |
| Time: | 12:48 LT |
| Type: |  Cessna 172R |
| Owner/operator: | Pikes Peak Pilot Center |
| Registration: | N9548A |
| MSN: | 17280509 |
| Year of manufacture: | 1998 |
| Total airframe hrs: | 400 hours |
| Engine model: | Lycoming IO-360-L2A |
| Fatalities: | Fatalities: 1 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Aspen, CO -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | (KASE) |
| Colo. Springs, CO (COS | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Following takeoff on the return leg of a cross-country flight, the pilot flew directly up a valley, which required the aircraft to climb from the airport altitude of 7,815 feet to clear a pass 12,095 feet high in 19 miles. The temperature was 20 degrees above standard and the distance to climb was calculated from the performance section of the flight manual to be 28.6 miles. The pilot flew up the center of the valley and when the terrain out climbed the aircraft, she had insufficient space to do a reversal. A witnessed forced landing was made on the side of a mountain, above timberline, at 11,948 feet elevation. The upslope was 19 degrees and the side slope was 7 degrees. The terrain was rough and rocky.
Probable Cause: the pilot's improper decision to fly directly up the center of the valley and not circle climb to gain sufficient terrain clearance altitude. A factor was inadequate route performance planning by the pilot.
Accident investigation:
 |
|
Sources:
NTSB DEN00FA009
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:23 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 14-Dec-2017 09:42 | ASN Update Bot | Updated [Departure airport, Source, Narrative] |
| 07-Apr-2024 17:17 | ASN Update Bot | Updated [Time, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
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