1 fatality

Ferry Flight Crash Near Show Low (N4956T)

Show Low, United States of AmericaFlight

On July 2, 1975, a Cessna 411 (registration N4956T) operated by Evergreen International Airlines (Evergreen Helicopters) was involved in an aviation accident near Show Low, United States of America in flight. One person was killed. Investigators recorded the probable cause as: Loss of control in flight and uncontrolled descent after the pilot suffered physical impairment. Contributing factors: Alcoholic impairment of efficiency and judgment, Misjudged altitude, Peak gusts 15 knots, The pilot suffered a heart attack at an… This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 3 related events involving the same aircraft type or operator are linked below.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 2026-06-12Data APIEditorial standards

The pilot lost control of the airplane during a ferry flight from Flagstaff to Silver City, resulting in a dive and crash near Show Low. The aircraft was destroyed and the pilot, the sole occupant, was killed. Official findings cite loss of control after physical impairment.

Accident Overview

During a ferry flight from Flagstaff, Arizona to Silver City, New Mexico, the pilot lost control of the airplane while at cruising altitude. The aircraft entered a dive and crashed near Show Low, Arizona. The airplane was totally destroyed, and the pilot, who was the sole occupant, was killed.

Investigation

The investigation determined that the probable cause of the accident was loss of control in flight and uncontrolled descent after the pilot suffered physical impairment. Contributing factors reported included alcoholic impairment of efficiency and judgment, misjudgment of altitude, peak gusts of 15 knots, and a heart attack suffered by the pilot at an undetermined time. The pilot's alcohol content was 2.6‰.