Casualties unknown

1993-01-09: Boeing 767-222 (N601UA) — United Airlines — Denver, CO

Denver, CO, US

On January 9, 1993, a Boeing 767-222 (registration N601UA) operated by United Airlines was involved in an aviation accident near Denver, CO. Investigators recorded the probable cause as: MEDICAL INCAPACITATION OF THE FIRST OFFICER. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 10 related events involving the same aircraft type or operator are linked below.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 1781061362Data APIEditorial standards
Boeing 767-222
Photo: Tosaka / CC BY 3.0, via Wikimedia Commons

A first officer suffered a grand mal seizure during cruise flight from Newark to San Francisco. A company pilot riding as a passenger assumed his duties, and the aircraft made an uneventful precautionary landing in Denver.

Incident Overview

During cruise flight en route from Newark, New Jersey, to San Francisco, California, the first officer of a commercial aircraft experienced a grand mal seizure, rendering him incapable of continuing his duties. A fellow company pilot who was traveling as a passenger responded to the situation and came to the flight deck to assume the first officer's responsibilities.

Flight Diversion and Landing

With the assisting pilot now fulfilling the first officer's role, the flight crew proceeded to divert the aircraft to Denver, Colorado. The aircraft made an uneventful precautionary landing at Denver's airport. Emergency medical personnel were on standby to attend to the incapacitated first officer.

Post-Landing Actions

Upon landing, the incapacitated first officer was removed from the aircraft and transported to medical facilities for evaluation and treatment. The flight operation was completed without further incident, and the assisting passenger-pilot remained on the flight deck until the aircraft was safely on the ground.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001211X11685. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.