NTSB Identification: LAX98LA195.
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Accident occurred Sunday, June 14, 1998 in SEDONA, AZ
Probable Cause Approval Date: 08/03/2000
Aircraft: Blackmore RV-4, registration: N813R
Injuries: 1 Fatal.

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 aircraft impacted the side of a vertical outcropping of rock while performing aerobatic maneuvers. The pilot had told friends that he wanted to perform aviation stunts for other friends. One witness said that the aircraft appeared to have needed approximately 75 to 100 feet of additional altitude in order to complete the maneuver without contacting the ground. Other witnesses said the aircraft completed almost one complete loop before it contacted the terrain at the base of the mountain. The aircraft's engine could be heard throughout the loop. Density altitude was 5,853 feet.

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

The pilot's attempt to perform aerobatics with insufficient terrain clearance altitude available to complete the maneuver. A factor was high density altitude.

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