On August 23, 1991, a Cessna 172 (registration N98785) was involved in an aviation accident near Eklutna Lake, AK. 3 people were killed. Investigators recorded the probable cause as: The pilot's failure to maintain terrain clearance while conducting a sightseeing mission below the ridgeline. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 1 related events involving the same aircraft type or operator are linked below.
A sightseeing aircraft struck a mountain at 3,750 feet while searching for mountain sheep. The pilot and two passengers were fatally injured, with one passenger seriously hurt.
What happened
The aircraft was engaged in a sightseeing trip with the specific objective of locating mountain sheep. During this flight, the airplane impacted a mountain at an altitude of 3,750 feet. The pilot and two passengers were fatally injured in the collision. Additionally, one passenger sustained serious injuries. According to statements provided by a surviving passenger, the aircraft was operating below the ridgeline at the time of the impact.
The investigation
The investigation relied heavily on witness testimony due to the nature of the event. A passenger involved in the flight provided critical details regarding the aircraft's position relative to the terrain. This testimony indicated that the crew was flying below the ridge line when the collision occurred.
Probable cause
The pilot's failure to maintain terrain clearance while conducting a sightseeing mission below the ridgeline.
What happened in the 23 Aug 1991 Cessna 172 accident near Eklutna Lake, AK?
A sightseeing aircraft struck a mountain at 3,750 feet while searching for mountain sheep. The pilot and two passengers were fatally injured, with one passenger seriously hurt.
Were there any fatalities in the 23 Aug 1991 Cessna 172 accident?
The accident was fatal, resulting in 3 fatalities.
What aircraft was involved and where did it happen?
The accident on 23 Aug 1991 involved a Cessna 172, registration N98785, at Eklutna Lake, AK.
What was the probable cause of the accident?
The pilot's failure to maintain terrain clearance while conducting a sightseeing mission below the ridgeline.
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