Casualties unknown

Wingtip Strikes Blast Fence During Taxi (N681UP)

Louisville, KY, US

On March 19, 1992, a Boeing 747-123 (registration N681UP) operated by United Parcel Service was involved in an aviation accident near Louisville, KY. Investigators recorded the probable cause as: INADEQUATE OBSTACLE CLEARANCE, WHICH RESULTED IN ON GROUND COLLISION WITH A BLAST FENCE. CONTRIBUTING WAS INADEQUATE INSTRUCTION FROM GROUND PERSONNEL. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 11 related events involving the same aircraft type or operator are linked below.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 2026-06-10Data APIEditorial standards
Aircraft registered N681UP
Aircraft registered N681UP. Photo: N509FZ / CC BY-SA 4.0, via Wikimedia Commons

An airplane's right wingtip struck a blast fence while taxiing on the south ramp. The pilot reported following ground marshaller instructions and making a hard left turn at about 4 knots.

Accident Details

An airplane was taxiing on the south ramp after landing when its right wingtip struck a blast fence. The incident occurred during a turn maneuver.

Pilot Report

The pilot reported that he was following the instructions of ground marshallers at the time of the accident. He stated he was taxiing at approximately 4 knots when a marshaller signaled him to turn left. The pilot executed a hard left turn. Three-quarters of the way through the turn, he felt the nosewheel jitter. He looked out the front window and noticed the marshaller signaling him to stop.

Outcome

The right wingtip made contact with the blast fence, resulting in damage to the wing. No other details were provided in the source.

Investigation

The investigation is ongoing. No probable cause has been determined at this time.

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.