Serious incident Cessna P206B N4740F, Wednesday 29 March 1989

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Date:	Wednesday 29 March 1989
Time:	12:23 LT
Type:	Cessna P206B
Owner/operator:	Private
Registration:	N4740F
MSN:	P206-0340
Year of manufacture:	1966
Total airframe hrs:	4104 hours
Engine model:	Continental IO-520-A
Fatalities:	Fatalities: 0 / Occupants: 1
Other fatalities:	0
Aircraft damage:	None
Category:	Serious incident
Location:	West Palm Beach, FL - United States of America
Phase:	En route
Nature:	Unknown
Departure airport:
Destination airport:	Nassau, OF (MYNN)
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
AFTER TAKEOFF WHILE CLIMBING TO CRUISE, THE PLT PULLED THE THROTTLE TO REDUCE POWER, BUT WAS UNABLE. HE THEN ADVISED ATC & REQUESTED LANDING ON THE LONGEST RWY. ATC VECTORED THE ACFT TO THE WEST & WHEN IT WAS 3 MILES FROM THE RWY, THE ENG RPM DROPPED TO IDLE. THE PLT LANDED THE ACFT IN A FIELD. AN INVESTIGATION REVEALED THE THROTTLE CONTROL ARM AT THE FUEL CONTROLLER FAILED. VIBRATION THEN CAUSED THE THROTTLE TO VIBRATE TO IDLE. REPORTEDLY, IT WAS WORN & HAD FAILED DUE TO POOR MAINTENANCE.

Probable Cause: FAILURE OF THE THROTTLE CONTROL ARM RESULTING IN THE LOSS OF ENGINE POWER. THE FAILURE WAS CAUSED BY POOR MAINTENANCE.

Accident investigation: