NTSB Identification: FTW82FRG20
Nonscheduled 14 CFR Part 125: 20+ Pax,6000+ lbs
Accident occurred Thursday, January 07, 1982 in LAREDO, TX
Probable Cause Approval Date: 01/07/1983
Aircraft: CURTIS C46, registration: N1698M
Injuries: 3 Uninjured.

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.

WHILE PERFORMING THE EXTERIOR INSPECTION THE PILOT NOTED THAT FUEL WAS DRIPPING FROM BOTH WINGS INBOARD OF THE FUEL TANKS AT THE REAR ATTACH ANGLE FAIRING PLATES. JUST AFTER STARTING THE RIGHT ENGINE AN EXPLOSION OCCURRED IN THE RIGHT WING. THE CREW SHUT DOWN THE ENGINE AND WHILE DEPARTING THE AIRCRAFT THE LEFT WING EXPLODED. EXAMINATION REVEALED BOTH THE RIGHT FRONT AND REAR FUEL TANK FILLER NECKS WERE LOOSE AND COULD BE TURNED BY HAND. THE FILLER NECK WASHER WAS CORRODED AND FILLER NECK SCUPPER WAS CRACKED.

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

FUEL SYSTEM,TANK..LOOSE

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

AIRCRAFT PREFLIGHT..INADEQUATE..PILOT IN COMMAND

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

FUEL SYSTEM,TANK..CORRODED

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

FUEL SYSTEM,TANK..CRACKED

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

FUEL SYSTEM,TANK..LEAK


Contributing Factors

MAINTENANCE..POOR..COMPANY MAINTENANCE PERSONNEL

Index for Jan1982 | Index of months