May 4, 2004
Accident
Destroyed Brooklyn, NY
Injuries2 serious, 1 minor
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
The pilot's failure to maintain control of the helicopter after a loss of hydraulic system pressure due to a failure of the hydraulic pump belt. Factors in this accident were the pilot's misidentification of a hydraulic failure, the pilot's subsequent failure to perform the appropriate emergency procedure, and the improper installation of the hydraulic pump belt by maintenance personnel.
NTSB NYC04FA117