Whiteout Illusion Leads to Gear Damage and Secondary Helicopter Crash on Whiteout Glacier

Casualties unknown • Girdwood, AK, US

A ski-equipped aircraft struck an unseen snow drift during a whiteout landing, damaging the gear. Passengers skied for help, but a rescue helicopter also crashed while attempting recovery.

What happened

The aircraft was operating a flight to transport two skiers to a glacier area. The objective was for the passengers to ski downhill to a specific location where they could be picked up by the aircraft. The pilot landed the wheel and ski equipped aircraft on upsloping terrain. Although visibility was generally good, a whiteout phenomenon was prevalent in the selected landing area.

During touchdown, the aircraft struck an unseen snow drift which bent the right main gear. The Whiteout Glacier was named for its unique propensity to induce whiteout illusions. Because no emergency locator transmitter (ELT) was installed in the aircraft, the two passengers skied down the glacier and summoned help. However, wind conditions began blowing and delayed the rescue efforts.

Two days later, an Air Force H-3 helicopter crashed downhill from N8035D while attempting a recovery operation. Later, another helicopter was used to recover the occupants of both downed aircraft.

Probable cause

The pilot's failure to maintain visual reference during landing in whiteout conditions, resulting in a collision with an unseen snow drift.

Frequently asked questions

What happened in the 1985-04-28 Piper 22/20 accident near Girdwood, AK?

A ski-equipped aircraft struck an unseen snow drift during a whiteout landing, damaging the gear. Passengers skied for help, but a rescue helicopter also crashed while attempting recovery.

What aircraft was involved and where did it happen?

The accident on 1985-04-28 involved a Piper 22/20, registration N8035D, operated by Russell James Kendall, at Girdwood, AK.

What was the probable cause of the accident?

The pilot's failure to maintain visual reference during landing in whiteout conditions, resulting in a collision with an unseen snow drift.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001214X36073. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.

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