1992-03-19: Boeing 747-123 — United Parcel Service — Louisville, KY

Casualties unknown • Louisville, KY, US

Probable cause

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

— NTSB Determination

Accident narrative

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.

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Frequently asked questions

What happened in the 1992-03-19 Boeing 747-123 accident near Louisville, KY?

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…

What aircraft was involved and where did it happen?

The accident on 1992-03-19 involved a Boeing 747-123, registration N681UP, operated by United Parcel Service, at Louisville, KY.

What was the probable cause of the accident?

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

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001211X14235. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.

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