Accident Pitts S-1 N8336, Sunday 9 July 1989

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Date:	Sunday 9 July 1989
Time:	12:00 LT
Type:	Pitts S-1
Owner/operator:	Frank Lon Tester
Registration:	N8336
MSN:	22436
Engine model:	Lycoming O-320-E2D
Fatalities:	Fatalities: 0 / Occupants: 1
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Butler, TN - United States of America
Phase:	Manoeuvring (airshow, firefighting, ag.ops.)
Nature:	Private
Departure airport:	Mountain City, TN (6A4
Destination airport:	Morristown, TN (MOR
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
THE PILOT STATED THAT HE HAD INITIATED AN IMMELMAN. DURING THE MANEUVER HE CHANGED HIS MIND. HE ATTEMPTED TO COMPLETE THE MANEUVER WITH A LOOP. THERE WAS INSUFFICIENT ALTITUDE TO RECOVER AND HE CRASHED INTO THE LAKE.

Probable Cause: THE FAILURE OF THE PILOT TO MAINTAIN CLEARANCE FROM THE SURFACE DURING AN IMPROMPTU ACROBATIC MANEUVER.

Accident investigation: