NTSB Identification: DEN87LA142.
The docket is stored on NTSB microfiche number 34332.
Accident occurred Wednesday, June 03, 1987 in LOGAN, UT
Probable Cause Approval Date: 08/31/1988
Aircraft: BELL 206B II, registration: N59624
Injuries: 3 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

THE PLT DID NOT HAVE AUTHORIZATOIN FROM HIS EMPLOYER TO CONDUCT THE FLIGHT. THE PLT STATED AFTER THE ACC THAT HE WAS ON A LCL FLT WITH THE PAX TO VIEW PROPERTY. HE CONT TO STATE THAT DRNG A RT TURN THE ENG LOW ROTOR RPM WARNING SOUNDED. THE PLT EXECUTED AN AUTOROTATION AND LNDD HARD IN A HAY FIELD. THE TAIL BOOM WAS SEVERED BY THE MAIN ROTOR BLADES. POST CRASH EXAM REVEALED NO EVIDENCE OF A MECH MALFUNTION OR FAILURE OF THE ACFT OR ENG.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

AIRCRAFT HANDLING..IMPROPER..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

FLIGHT CONTROLS..IMPROPER USE OF..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

ROTOR RPM..NOT MAINTAINED..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

FLARE..IMPROPER..PILOT IN COMMAND




Contributing Factors

AUTOROTATION..PERFORMED..PILOT IN COMMAND

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