No fatalities

FLIGHT DESIGN GMBH CTLS accident at Hungry Horse, MT, 18 Nov 2023

Hungry Horse, MT, United States

On November 18, 2023, a FLIGHT DESIGN GMBH CTLS was involved in an aviation accident near Hungry Horse, MT. No fatalities were reported. Investigators recorded the probable cause as: The pilot's inadequate fuel planning and improper in-flight decision-making, which resulted in a total loss of engine power due to fuel exhaustion. 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 inadequate fuel planning and improper in-flight decision-making, which resulted in a total loss of engine power due to fuel exhaustion.

— NTSB Determination

Contributing factors

PilotFluid managementContributed to outcome