NTSB Identification: DEN01FA151.
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Accident occurred Thursday, August 23, 2001 in Montrose, CO
Probable Cause Approval Date: 08/26/2003
Aircraft: Aviat A-1, registration: N8HU
Injuries: 2 Fatal.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

The airplane was observed making a slow, very steep, very low right hand turn to runway 10 (elevation7,862 feet). It was not determined if the 20,000 hour pilot had every flown this airplane before; the airplane's owner was in the back seat. The airplane first impacted terrain with its right wing tip, and then its engine. It was determined that the aircraft was over its maximum certificated gross weight at the time of the accident. The density altitude was calculated to be 11,155 feet.

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

the pilot's intentional abrupt maneuver immediately after takeoff and the subsequent loss of aircraft control. Contributing factors were high density altitude weather conditions, and the airplane improper weight and balance.

Full narrative available

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