KNIK CLACIER, AK, USA
N4904M
PIPER PA-11
THE PILOT ELECTED TO MAKE A LOW APPROACH OVER A GRAVEL BAR BEFORE LANDING. HE STATED THAT WHILE ROLLING OUT OF A TURN, THE ELEVATOR CONTROL JAMMED TO THE RIGHT. SUBSEQUENTLY, THE AIRPLANE SPIRALED TO THE TERRAIN, THEN CRASHED. AN EXAMINATION REVEALED THAT A SET OF CHANNEL LOCKS HAD SLIPPED UNDER THE FLOOR BOARD AND INTO THE FLIGHT CONTROLS.
A FOREIGN OBJECT (TOOL) HAD JAMMED THE AILERON CONTROLS TO THE RIGHT AS THE PILOT WAS MANEUVERING THE AIRCRAFT FOR A LOW APPROACH TO A STRIP.
Source: NTSB Aviation Accident Database
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