NTSB Identification: BFO92IA046.
The docket is stored on NTSB microfiche number 51635.
Scheduled 14 CFR operation of UNITED PARCEL SERVICE
Incident occurred Thursday, March 19, 1992 in LOUISVILLE, KY
Probable Cause Approval Date: 09/28/1993
Aircraft: BOEING 747-123, registration: N681UP
Injuries: 4 Uninjured.

NTSB investigators used data provided by various sources and may not have traveled in support of this investigation to prepare this aircraft incident report.

THE AIRPLANE WAS ON THE SOUTH RAMP, TAXIING FROM LANDING, WHEN THE RIGHT WINGTIP STRUCK A BLAST FENCE. THE PILOT REPORTED HE WAS FOLLOWING INSTRUCTIONS OF THE GROUND MARSHALLERS AT THE TIME. HE REPORTED THAT HE WAS TAXIING AT ABOUT 4 KNOTS, WHEN THE MARSHALLER SIGNALED HIM TO TURN LEFT. THE PILOT MADE A HARD LEFT TURN, AND THREE QUARTERS INTO THE TURN, HE FELT THE NOSEWHEEL JITTER. HE LOOKED OUT THE WINDOW IN FRONT OF THE AIRPLANE AND NOTICED THE MARSHALL SIGNALLING HIM TO STOP.

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

INADEQUATE OBSTACLE CLEARANCE, WHICH RESULTED IN ON GROUND COLLISION WITH A BLAST FENCE. CONTRIBUTING WAS INADEQUATE INSTRUCTION FROM GROUND PERSONNEL.

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