NTSB Identification: DEN87LA080.
The docket is stored on NTSB microfiche number 33841.
Accident occurred Friday, April 03, 1987 in BOULDER, CO
Probable Cause Approval Date: 05/19/1989
Aircraft: CESSNA 170B, registration: N2323D
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.

AN 85 HOUR PRIVATE PLT WAS FLYING FOR PROFICIENCY IN HIS CESSNA 170. AT THE LAST LANDING OF THE FLT, AN APPARENTLY NORMAL TOUCHDOWN WAS COMPLETED. DURING THE LANDING ROLL, THE ACFT SWERVED TO THE LEFT AND THE PLT CORRECTED TO THE RIGHT. THE ACFT CONTINUED TO TURN RIGHT WITH AN INCREASED RATE OF TURN. THE PLT WAS UNABLE TO CORRECT THIS TURN AND THE ACFT DEPARTED THE RWY TO THE RIGHT. THE LEFT MAIN GEAR ENCOUNTERED SOFT FILL DIRT AND THE ACFT NOSED OVER.

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:

GROUND LOOP/SWERVE..INADVERTENT..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..SOFT

Index for Apr1987 | Index of months