Accident Aero Commander 100-180 N3738X, Friday 15 July 1988

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Date:	Friday 15 July 1988
Time:	13:30 LT
Type:	Aero Commander 100-180
Owner/operator:	Private
Registration:	N3738X
MSN:	5047
Total airframe hrs:	2109 hours
Engine model:	Lycoming O-360-A2F
Fatalities:	Fatalities: 0 / Occupants: 1
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Lowell, AR - United States of America
Phase:	En route
Nature:	Private
Departure airport:	Harrisonville, MO
Destination airport:	Springdale, AR (KASG)
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
ABOUT ONE HOUR AFTER TAKEOFF, THE PLT NOTED THAT THE ENG BEGAN TO RUN ROUGH. HE REDUCED THE POWER TO 2000 RPM & ENRICHED THE MIXTURE. HE CONTINUED FLYING FOR ABOUT ANOTHER HOUR, THEN THE ENG LOST POWER. THE PLT ATTEMPTED AN EMERGENCY LANDING ON A FRONTAGE ROAD, BUT WAS UNABLE TO REACH IT. THE ACFT WAS DAMAGED WHEN IT TOUCHED DOWN ON ROUGH TERRAIN JUST SHORT OF THE ROAD. AN EXAM REVEALED THE EXHAUST & INTAKE VALVES AT THE #4 CYLINDER HAD STUCK.

Probable Cause:

Accident investigation: