2 fatalities

Crew Abandons Aircraft in Canyon After Technical Problems, Two Killed (57-6479)

Hunts Mesa, United States of AmericaFlight

On October 16, 1984, a Boeing B-52 Stratofortress (registration 57-6479) operated by United States Air Force - USAF (since 1947) was involved in an aviation accident near Hunts Mesa, United States of America in flight. 2 people were killed. Investigators recorded the probable cause as: Unknown technical problems. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 8 related events involving the same aircraft type or operator are linked below.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 2026-06-11Data APIEditorial standards

During a night training mission, a crew encountered unknown technical problems and abandoned their aircraft, which crashed in a canyon near Kayenta, Arizona. Two crew members were killed; five were rescued.

Incident

The crew departed Fairchild Air Force Base, Washington, for a training mission. While cruising at night, they encountered an unexpected situation described as unknown technical problems. The crew decided to abandon the aircraft. The aircraft subsequently crashed into a canyon at Hunts Mesa, located approximately 13 miles northeast of Kayenta, Arizona. The aircraft disintegrated on impact. Two crew members were killed in the accident, and five others were rescued.

Crew

The crew manifest included seven individuals: Captain Robert L. Keeney (pilot), Lieutenant Douglas J. Schwartz (copilot), Lieutenant Kenneth O. Portis (navigator), Major Eugene J. Daspit (radio navigator), Captain Sean M. Yeronick (electronic warfare officer), Colonel William L. Ivy (observer), and Sergeant David W. Felix (air gunner). According to the source, two crew members were killed, with Sergeant Felix listed among the deceased.

Location

The crash site was in a canyon at Hunts Mesa, about 13 miles northeast of Kayenta, Arizona. The region is characterized by rugged terrain.

Aftermath

Rescue operations resulted in the recovery of five surviving crew members. The aircraft was destroyed by the impact. The source did not specify further details about the nature of the technical problems.

Probable cause

Unknown technical problems