Accident Grumman G-164A Tubo Ag-Cat N6761Q, Tuesday 8 September 2009

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Date:	Tuesday 8 September 2009
Time:	07:30 LT
Type:	Grumman G-164A Tubo Ag-Cat
Owner/operator:	Reisig Brothers Aerial Spray Inc
Registration:	N6761Q
MSN:	1352
Year of manufacture:	1974
Total airframe hrs:	8460 hours
Engine model:	Garrett TPE331
Fatalities:	Fatalities: 0 / Occupants: 1
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Kimball, Nebraska - United States of America
Phase:	Standing
Nature:	Agricultural
Departure airport:	Scottsbluff County Airport, NE (BFF/KBFF)
Destination airport:	Scottsbluff County Airport, NE (BFF/KBFF)
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
The commercial pilot was performing the last pass of an aerial application flight when the engine "backfired" and surged several times. The pilot pulled the emergency fuel shut-off handle and attempted to force land in a field. The airplane overshot the intended landing area and collided with a fence before impacting terrain. A post-crash inspection of the engine revealed that an oil line fitting had been improperly installed resulting in a depletion of oil. An inspection of the airframe did not reveal any anomalies.

Probable Cause: A loss of engine power due to improper installation of an oil line fitting resulting in oil depletion.

Accident investigation: