ASN Wikibase Occurrence # 287626
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| Date: | Saturday 30 June 2012 |
| Time: | 08:20 LT |
| Type: |  Cessna 172S |
| Owner/operator: | Rocky Mountain Flight School |
| Registration: | N917SA |
| MSN: | 172S9177 |
| Year of manufacture: | 2002 |
| Total airframe hrs: | 2025 hours |
| Engine model: | Lycoming IO-360-L2A |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Glenwood Springs, Colorado -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Glenwood Spring, CO (GWS |
| Broomfield-Rocky Mountain Metropolitan Airport, CO (BJC/KBJC) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
A pilot with 56 hours of pilot-in-command time was on the return leg of a cross-country flight over mountainous terrain. The pilot did not note any airplane anomalies during the startup, engine run-up, or takeoff. The pilot reported that it was a clear, calm morning, and he made the decision to fly on the left side of a canyon. The pilot indicated that when he wanted to climb out of the canyon, power increases did not seem to help, so he slowed the airplane to 70 knots indicated airspeed to minimize the turnaround radius to exit the canyon. He stated that he slowed the airplane a little more to make the turnaround and remembered feeling/seeing the airplane hit a tree. A postaccident examination of the wreckage revealed no anomalies with the flight controls or engine. A camera in the cockpit, which recorded video of the accident flight, also revealed no airplane or engine anomalies. The airplane was observed impacting trees on rising terrain. Warmer-than-standard temperatures on the day of the accident resulted in a high density altitude and reduced climb performance of the airplane.
An FAA publication, "Tips on Mountain Flying," indicated that pilots should carefully consider their experience and background before beginning a flight into mountainous terrain. It urged pilots to consider attending a recognized mountain flying course to attain the knowledge and skills needed for safe flying. The publication further stated that pilots should wait until they have at least 150 hours of pilot-in-command time before taking mountain training, as more experienced pilots have had time to become more familiar and comfortable with the airplane and with flight planning.
The pilot stated that he had received instruction on assessing canyons from a previous mountain flight. The pilot did not indicate that he attended a recognized mountain flying course.
Probable Cause: The pilot's decision to fly into a mountainous area where conditions were such that the airplane was unable to climb above rising terrain. Contributing to the accident was the pilot's insufficient pilot-in-command experience and inadequate training in mountain flying.
Accident investigation:
 |
|
Sources:
NTSB CEN12LA414
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 04-Oct-2022 12:48 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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