NTSB Identification: FTW83LA158.
The docket is stored on NTSB microfiche number 22237.
Accident occurred Wednesday, March 16, 1983 in OKLAHOMA CITY, OK
Aircraft: PIPER PA-31T1, registration: N879SW
Injuries: 3 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.

WITNESSES REPORTED THAT THE LANDING GEAR WAS LOWERED AT THE OUTER MARKER ON AN ILS APPROACH. THE PILOT STATED THAT HE EXTENDED FULL FLAPS AT ABOUT 400 FEET AGL JUST AS THEY BROKE OUT OF THE CLOUDS. ALMOST IMMEDIATELY AFTER LANDING THE PILOT RETRACTED THE FLAPS TO 0. THE FLAPS CAME UP AND THE NOSE OF THE AIRCRAFT FELL AS THE GEAR UP CYCLE BEGAN. THE MAIN GEAR THEN CAME UP AND THE AIRCRAFT SLID TO A STOP ON THE RUNWAY. WHEN THE AIRCRAFT WAS TRANSPORTED TO A HANGER, ALL LANDING GEAR WERE FOUND TO BE UP AND LOCKED. NUMEROUS CYCLE TESTS OF THE LANDING GEAR SYSTEM FAILED TO SHOW ANY MALFUNCTION WITHIN ANY COMPONENT OF THE SYSTEM.

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

GEAR RETRACTION..INADVERTENT..PILOT IN COMMAND


Contributing Factors

PROCEDURES/DIRECTIVES..NOT FOLLOWED..PILOT IN COMMAND

Index for Mar1983 | Index of months