Accident Aero Commander 100 N3879X, Saturday 13 September 1986

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Date:	Saturday 13 September 1986
Time:	18:22 LT
Type:	Aero Commander 100
Owner/operator:	Gary Curry
Registration:	N3879X
MSN:	182
Total airframe hrs:	1816 hours
Engine model:	Lycoming O-320-A2B
Fatalities:	Fatalities: 0 / Occupants: 3
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Rio Linda, CA - United States of America
Phase:	En route
Nature:	Private
Departure airport:	Marysville, CA (KMYV)
Destination airport:	Marysville, CA (Q94)
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
AT THE END OF A LOCAL PLEASURE FLIGHT, THE PILOT NOTICED A LOSS OF OIL PRESSURE APPROXIMATELY 10 MILES NORTH OF RIO LINDA AIRPORT. THREE MINUTES LATER THE ENGINE BEGAN RUNNING ROUGH AND THE PILOT INITIATED AN EMERGENCY LANDING IN A RICE FIELD. UPON TOUCHDOWN, THE NOSE GEAR DUG INTO THE SOFT DIRT, BROKE OFF AND THE AIRCRAFT NOSED OVER. POST ACCIDENT INSPECTION REVEALED A 16TH INCH COPPER LINE BETWEEN THE OIL PRESSURE SWITCH AND THE OIL PRESSURE GAGE FAILED DUE TO FATIGUE.

Probable Cause:

Accident investigation: