NTSB Identification: ATL83LA015
14 CFR Part 91: General Aviation
Accident occurred Wednesday, October 20, 1982 in N. MYRTLE BEACH, SC
Probable Cause Approval Date: 10/20/1983
Aircraft: PIPER PA-23-250, registration: N62721
Injuries: 2 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 PILOT SET THE PARKING BRAKE AFTER STARTING THE AIRCRAFT AND DIVERTED HIS ATTENTION TO THE CHECKLIST. WHEN HE LOOKED UP THE AIRCRAFT WAS MOVING. THE PILOT ATTEMPTED TO STOP THE AIRCRAFT BY BOTH PUSHING THE TOE BRAKES AND PULLING THE PARKING BRAKE. THE AIRCRAFT COLLIDED WITH ANOTHER AIRCRAFT CAUSING SUBSTANTIAL DAMAGE. PIPER ENGINEERING PERSONNEL REPORT THAT THE PARKING BRAKE COULD BE OVERRIDDEN BY FIRM APPLICATION OF TOE BRAKES UNDER NORMAL CIRCUMSTANCES. THEY REPORT HOWEVER, THAT IF THE PARKING BRAKE WAS BEING HELD IN THE 'ON' POSITION WITH 20 POUNDS OF FORCE, APPROXIMATELY 200 POUNDS OF TOE BRAKE PRESSURE WOULD BE REQUIRED BEFORE IT COULD BE OVERCOME AND BEFORE MORE HYDRAULIC PRESSURE COULD BE APPLIED TO THE WHEEL BRAKES.

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

AIRCRAFT MANUALS,PERFORMANCE INFORMATION..CONGESTED

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

PARKING BRAKES..IMPROPER USE OF..PILOT IN COMMAND

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

DIVERTED ATTENTION..PILOT IN COMMAND

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

VISUAL LOOKOUT..INADEQUATE..PILOT IN COMMAND

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

LACK OF FAMILIARITY WITH AIRCRAFT..PILOT IN COMMAND

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

THROTTLE/POWER CONTROL..EXCESSIVE..PILOT IN COMMAND

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