NTSB Identification: DEN83LA195.
The docket is stored on NTSB microfiche number 21998.
Accident occurred Saturday, August 20, 1983 in TEA, SD
Aircraft: GRUMMAN AMERICAN AA-1C, registration: N9634U
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 ACFT SWERVED OFF THE RWY, COLLIDED WITH A DITCH AND NOSED OVER. THE PILOT WAS A STUDENT ON HIS 1ST SOLO AFTER OVER 42 HOURS OF DUAL INSTRUCTION. HE FLEW OVER 28 HOURS OF DUAL INSTRUCTION AND MADE ABOUT 60 LANDINGS DURING THE LAST 90 DAYS. ON THE DAY OF THE ACCIDENT THE STUDENT WAS USING RWY 16. THE WIND WAS FROM 140 DEGREES AT 4 TO 6 KTS. THIS EQUATES TO A CROSSWIND COMPONENT FROM THE LEFT OF 2 KTS. THE CFI OBSERVED THE STUDENTS FIRST SOLO LANDING. HE SAID THE ACFT DRIFTED OFF TO THE LEFT DURING THE FLARE. THE ACFT BOUNCED ON THE GRASS BESIDE THE RWY, WENT INTO A DITCH AND BOUNCED BACK INTO THE AIR WHEN IT HIT THE OPPOSITE EMBANKMENT. THEN THE ACFT LANDED ON ITS NOSE AND NOSED OVER. THE PILOT SAID HE TRIED TO CORRECT BACK TO THE RWY DURING FLARE BUT THE ACFT 'STARTED TO GO SIDEWAYS'. WHEN HE SAW THE GRASSTHE STUDENT ADDED POWER TO GO-AROUND BUT THE STALL WARNING SOUNDED AND HE PULLED THE POWER OFF BEFORE HITTING THE DITCH.

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

COMPENSATION FOR WIND CONDITIONS..INADEQUATE..PILOT IN COMMAND

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

FLIGHT CONTROLS..IMPROPER USE OF..PILOT IN COMMAND

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

DIRECTIONAL CONTROL..NOT MAINTAINED..PILOT IN COMMAND

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

GROUND LOOP/SWERVE..NOT CORRECTED..PILOT IN COMMAND

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

THROTTLE/POWER CONTROL..IMPROPER USE OF..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..DITCH

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