NTSB Identification: ATL82FA229
Nonscheduled 14 CFR Part 135: Air Taxi & Commuter
Accident occurred Wednesday, August 04, 1982 in RALEIGH, NC
Probable Cause Approval Date: 08/04/1983
Aircraft: PIPER PA-32-260, registration: N4076W
Injuries: 1 Serious.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

SHORTLY AFTER TAKEOFF THE ACFT CAUGHT FIRE. THE PLT ATTEMPTED TO TURN BACK TO THE ARPT BUT THE ENG LOST POWER & THE ACFTCOULD NOT MAINTAIN ALTITUDE. THE ACFT CRASHED INTO A HEAVILY WOODED STATE PARK. THE #5 CYLINDER EXHAUST PIPE WAS FOUND SEPARATED & WAS NOT BURNED OR SOOTED. EXTENSIVE MELTING WAS EVIDENT AROUND THE INTAKE & EXHAUST PORTS ON THE #5 CYLINDER. THE HEAD OF THE #5 CYLINDER WAS COMPLETELY BURNED THROUGH. THE ACFT HAD COMPLETED AN ANNUAL INSPECTION 30 HRS PRIOR TO THE ACCIDENT & RECORDS REVEALED THAT THE EXHAUST SYSTEM GASKETS HAD BEEN REPLACED. METALLURGICAL EXAMINATION WITH A SCANNING ELECTRONIC MICROSCOPE SHOWED NO EVIDENCE OF NUT-TIGHTENING MARKS ON THE FAILED EXHAUST PIPE FLANGE WHILE DISTINCT NUT-TIGHTENING MARKS WERE OBSERVED ON TWO EXHAUST PIPES THAT REMAINED ATTACHED.

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

EXHAUST SYSTEM,STACK..LOOSE

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

EXHAUST SYSTEM,STACK..UNDERTORQUED

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

EXHAUST SYSTEM,STACK..FATIGUE

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

EXHAUST SYSTEM,STACK..SEPARATION

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

ENGINE ASSEMBLY..FIRE

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

MAINTENANCE,ANNUAL INSPECTION..INADEQUATE..OTHER MAINTENANCE PERSONNEL

Index for Aug1982 | Index of months