NTSB Identification: DEN86LA082.
The docket is stored on NTSB microfiche number 30856.
Nonscheduled 14 CFR
Accident occurred Thursday, February 20, 1986 in MEEKER, CO
Aircraft: AEROSPATIALE SA315B, registration: N27387
Injuries: 2 Minor.

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

DURING THE LIFT OFF THE RIGHT SKID TOE OF THE HELICOPTER CAUGHT A SEISMIC CABLE WHICH WAS COVERED BY APRX 2 FT OF SNOW. THE PLT STATED HE BROUGHT THE ACFT TO A HOVER AFTER OFF LOADING 2 PAX & STARTED A RIGHT SIDEWARD HOVER. WHEN THE SLACK WAS OUT OF THE SEISMIC CABLE, THE HELICOPTER ROLLED RIGHT, PAST THE CRITICAL ROLL ANGLE & ENCOUNTERED DYNAMIC ROLLOVER. THE MAIN ROTOR BLADES CONTACTED THE GROUND AS A RESULT OF THE DYNAMIC ROLLOVER.

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

VISUAL LOOKOUT..INADEQUATE..PILOT IN COMMAND


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