NTSB Identification: SEA86FA054.
The docket is stored on NTSB microfiche number 29945.
Accident occurred Sunday, February 09, 1986 in RENTON, WA
Aircraft: CESSNA 172N, registration: N738XX
Injuries: 1 Serious.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

THE RECENTLY CERTIFICATED PRIVATE PILOT WAS ENGAGED IN PRACTICE TOUCH AND GO LANDINGS. SOMETIME AFTER THE SECOND APPROACH THE THROTTLE CONTROL ROD BECAME DISCONNECTED FROM THE THROTTLE CABLE AND THE PILOT WAS UNABLE TO RETARD THE THROTTLE FROM A FULL POWER CONDITION. THE PILOT SUBSEQUENTLY MANEUVERED THE AIRCRAFT BACK TOWARDS THE AIRPORT IN A HIGH SPEED, CLEAN, DESCENDING PROFILE AND OVERSHOT THE FINAL APPROACH EVENTUALLY COLLIDING WITH TREES AND A FENCE SLIGHTLY NORTHWEST OF MIDFIELD. THERE WAS NO APPARENT ATTEMPT BY THE PILOT TO EXECUTE THE STUCK THROTTLE PROCEDURES WHICH HER FLIGHT INSTRUCTOR HAD PREVIOUSLY PROVIDED TO HER WHILE UNDER TRAINING.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

THROTTLE/POWER LEVER,PUSH/PULL ROD..DISCONNECTED

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

PROCEDURES/DIRECTIVES..NOT FOLLOWED..PILOT IN COMMAND


Contributing Factors

OBJECT..TREE(S)


Contributing Factors

OBJECT..FENCE


Contributing Factors

IN-FLIGHT PLANNING/DECISION..IMPROPER..PILOT IN COMMAND


Contributing Factors

PANIC..PILOT IN COMMAND

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