NTSB Identification: ANC92LA004.
The docket is stored on NTSB microfiche number 47400.
Accident occurred Thursday, October 10, 1991 in CHUGIAK, AK
Probable Cause Approval Date: 03/31/1993
Aircraft: CESSNA 170B, registration: N4606C
Injuries: 1 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

THE STUDENT PILOT WAS PRACTICING SOLO TAKEOFF AND LANDINGS WITH THE INSTRUCTOR SUPERVISING FROM THE RAMP. AFTER A NUMBER OF TAKEOFF AND LANDINGS, THE STUDENT PILOT TAXIED TO THE INSTRUCTOR'S LOCATION AND THE INSTRUCTOR THEN TOLD HIM TO CONTINUE PRACTICING. THE STUDENT PILOT TAXIED TO THE RUNWAY AND BEGAN HIS TAKEOFF ROLL. THE AIRPLANE BECAME AIRBORNE AFTER ONLY A PARTIAL POWER APPLICATION BY THE PILOT AND BEGAN TO VEER TO THE LEFT AND HE APPLIED RIGHT RUDDER. HE STATED THE AIRPLANE DID NOT RESPOND AND HE ABORTED THE TAKEOFF BY REDUCING THE THROTTLE. HE STATED HE FAILED TO REMOVE THE RIGHT RUDDER AND THE AIRPLANE IMMEDIATELY MADE A SHARP RIGHT TURN. THE LEFT WING STRUCK THE RUNWAY AND THE AIRPLANE NOSED OVER.

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

THE STUDENT PILOT'S FAILURE TO MAINTAIN DIRECTIONAL CONTROL DURING THE TAKEOFF RUN.

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