No fatalities

ROBINSON HELICOPTER COMPANY R44 II accident at Van Nuys, CA, 28 Apr 2023

Van Nuys, CA, United States

On April 28, 2023, a ROBINSON HELICOPTER COMPANY R44 II operated by AGGREGATE MATERIAL SERVICES LLC was involved in an aviation accident near Van Nuys, CA. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s failure to maintain lateral control of the helicopter, which resulted in a hard landing. 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 lateral control of the helicopter, which resulted in a hard landing.

— NTSB Determination

Contributing factors

Lateral/bank control — Not attained/maintainedLanding flare — Not attained/maintainedPilot