5 fatalities

Flightseeing Accident: Pilot Attempts VFR Flight in IMC Conditions (N9985M)

Aialak Bay, United States of AmericaFlight

On June 25, 1990, a Cessna 207 Skywagon/Stationair (registration N9985M) operated by Trail Lake Flying Service was involved in an aviation accident near Aialak Bay, United States of America in flight. 5 people were killed. Investigators recorded the probable cause as: The pilot-in-command's attempt to fly under visual flight rules while in instrument meteorological conditions. Contributing factors to the accident were the low ceiling and surrounding mountainous terrain. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A).

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

Two flightseeing planes departed Seward; one passed the other on return. The normal pass was cloud-obscured. The aircraft crashed at 2,700 ft on a mountain. The pilot was hired less than 2 months prior and authorized for Part 135 trips 2 days before.

Details of the Flight

Two airplanes departed Seward within minutes of each other for local flightseeing trips. Their intended flight routes were identical. After arriving at Aialak Bay, the accident airplane passed the other aircraft and commenced the return leg to Seward. The pass that would normally be used for the return was obscured by cloud cover. The only portion of land affected by weather was the peninsula that separates Aialak Bay and Seward. The cloud bases were reported at 1,200 feet above mean sea level.

Accident Location and Wreckage

The accident airplane was found on the northeast side of a mountain at an elevation of 2,700 feet. The wreckage was distributed along a 330-degree path.

Pilot Information

The pilot had been employed less than two months before the accident. His initial duties included ground handling and fueling, and he also underwent pilot training. Two days prior to the accident, he was authorized to fly Part 135 flightseeing trips.

Probable Cause

The official investigation determined that the probable cause was the pilot-in-command's attempt to operate under visual flight rules while encountering instrument meteorological conditions. Additional contributing factors included the low ceiling and the mountainous terrain surrounding the area.