No fatalities

ROBINSON HELICOPTER R44 II accident at Skwentna, AK, 9 May 2023

Skwentna, AK, United States

On May 9, 2023, a ROBINSON HELICOPTER R44 II operated by Remote Alaska Air was involved in an aviation accident near Skwentna, AK. No fatalities were reported. Investigators recorded the probable cause as: The pilot's failure to maintain adequate altitude/clearance from terrain while maneuvering in adverse weather conditions, which resulted in a dynamic rollover. This summary draws on records from NTSB; 12 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 2026-08-03Data APIEditorial standards

Probable cause

The pilot's failure to maintain adequate altitude/clearance from terrain while maneuvering in adverse weather conditions, which resulted in a dynamic rollover.

— NTSB Determination

Contributing factors

Effect on operationPilotDecision related to condition

Frequently asked questions

What happened in the 9 May 2023 ROBINSON HELICOPTER R44 II accident near Skwentna, AK?

The pilot's failure to maintain adequate altitude/clearance from terrain while maneuvering in adverse weather conditions, which resulted in a dynamic rollover.

Were there any fatalities in the 9 May 2023 ROBINSON HELICOPTER R44 II accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 9 May 2023 involved a ROBINSON HELICOPTER R44 II, operated by Remote Alaska Air, at Skwentna, AK.

What was the probable cause of the accident?

The pilot's failure to maintain adequate altitude/clearance from terrain while maneuvering in adverse weather conditions, which resulted in a dynamic rollover.