Floatplane collision with mountainous terrain near Iliamna, Alaska

Casualties unknown • Iliamna, AK, US

A float-equipped airplane crashed into mountains in a remote area of Alaska after being reported overdue, resulting in the loss of the aircraft and crew.

What happened

A private pilot, who did not hold an instrument rating, departed on a cross-country flight toward a remote destination in a float equipped airplane. The pilot was accompanied by a passenger who held commercial and instrument ratings. After the flight was reported overdue, search personnel located the wreckage three days later.

The aircraft had collided with mountainous terrain at an elevation of 2,200 feet while traveling along its intended flight path. The accident site was situated within a range of hills reaching a maximum elevation of 2,452 feet, which were surrounded by low, flat terrain.

Weather conditions reported at the 1514 special weather observation near Iliamna, Alaska, located approximately 37 miles east of the site, included broken clouds at 2,400 feet and an overcast ceiling at 4,000 feet. Visibility was 4 miles in light rain and mist, with a temperature of 55 degrees, a dew point of 52 degrees, and winds from 100 degrees at 13 knots.

Frequently asked questions

What happened in the 1996-07-27 Cessna 180B accident near Iliamna, AK?

A float-equipped airplane crashed into mountains in a remote area of Alaska after being reported overdue, resulting in the loss of the aircraft and crew.

What aircraft was involved and where did it happen?

The accident on 1996-07-27 involved a Cessna 180B, registration N9141T, at Iliamna, AK.

What was the probable cause of the accident?

VFR flight by the pilot into instrument meteorological conditions (IMC), and failure of the pilot to maintain sufficient altitude and/or clearance from mountainous terrain. Factors relating to the accident were: the adverse weather condition (low ceiling and rain) and terrain.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001208X06133. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.

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