NTSB Identification: NYC84LA062.
The docket is stored on NTSB microfiche number 22606.
Accident occurred Wednesday, December 28, 1983 in WEST MIFFLIN, PA
Aircraft: PIPER PA-23-250, registration: N14360
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.

DURING THE COCKPIT PREFLIGHT THE PLT NOTICED AN UNSAFE NOSE GEAR INDICATION. THE PLT CHECKED THE NOSE GEAR & COULD SEE NOTHING UNUSUAL, & CONCLUDED THAT THERE WAS A FAULTY INDICATING SYSTEM. DURING ROTATION THE NOSE GEAR COLLAPSED & THIS ACFT SLID DOWN THE RUNWAY. AFTER THE ACCIDENT THE ACFT WAS PLACED ON JACKS & NO MALFUNCTIONS OF THE LANDING GEAR SYSTEM WAS FOUND. HOWEVER, THE NOSE GEAR LEG, BRACES, & LOCKING MECHANISM WAS FOUND HEAVILY COATED WITH GREASE & SAND.

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

LANDING GEAR,NORMAL RETRACTION/EXTENSION ASSEMBLY..UNLOCKED

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

OPERATION WITH KNOWN DEFICIENCIES IN EQUIPMENT..ATTEMPTED..PILOT IN COMMAND


Contributing Factors

LANDING GEAR,NOSE GEAR ASSEMBLY..CONTAMINATION


Contributing Factors

LANDING GEAR,GEAR LOCKING MECHANISM..CONTAMINATION


Contributing Factors

MAINTENANCE,INSPECTION..INADEQUATE..OTHER MAINTENANCE PERSONNEL

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