No fatalities

20 Dec 2020: ROBINSON HELICOPTER R44 — TRI-B AIR LLC — Morris, IL

Morris, IL, United States

On 20 Dec 2020, a ROBINSON HELICOPTER R44 operated by TRI-B AIR LLC was involved in an aviation accident near Morris, IL. No fatalities were reported. Investigators recorded the probable cause as: The pilot's inadequate pedal application during liftoff with a tailwind, which resulted in a loss of yaw control and a subsequent impact with terrain. This summary draws on records from NTSB; 12 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 1778583330Data APIEditorial standards

Probable cause

The pilot's inadequate pedal application during liftoff with a tailwind, which resulted in a loss of yaw control and a subsequent impact with terrain.

— NTSB Determination

Contributing factors

PilotYaw control — Not attained/maintainedDecision related to condition