NTSB Identification: DEN99LA085.
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Accident occurred Tuesday, May 25, 1999 in GUNNISON, CO
Probable Cause Approval Date: 06/22/2000
Aircraft: Cessna 172L, registration: N172KB
Injuries: 1 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

The pilot said that after an engine run-up, he departed on runway 24 using full power. He said that at 'approximately 100 to 150 feet off the surface a vibration began from the engine, immediately began loosing [sic] airspeed, lowered nose to regain airspeed (set some flaps), gradually raised nose of the airplane, (checked settings) lost airspeed, lowered nose again, to regain airspeed, raised nose, continued to lose airspeed, began looking for a place to set down.' He said that he turned left approximately 90 degrees and then left another 45 degrees before he impacted the ground. The pilot reported that he had approximately 93 hours of flight experience, and this was his first flying trip to Colorado. A witness reported that the accident pilot 'porpoised the airplane during takeoff roll, and I could hear his stall warning horn going off.' Postaccident examination of the airplane revealed that the mixture was in the full forward position. At the time of the accident, the density altitude was calculated to be 8,734 feet.

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

The pilot's inadvertent stall/mush immediately after takeoff. Factors were the high density altitude weather condition, and the pilot's total lack of experience in type of operation.

Full narrative available

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