NTSB Identification: FTW84LA314.
The docket is stored on NTSB microfiche number 25101.
Accident occurred Thursday, July 19, 1984 in EL PASO, TX
Aircraft: AEROSPATIALE AS-355F, registration: N240US
Injuries: 2 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 HELICOPTER ENCOUNTERED TURBULENCE AND DOWNDRAFTS DURING LANDING. THE ACFT IMPACTED THE ASPHALT RAMP SLIGHTLY NOSE LOW AND BOUNCED 2-3 FT INTO THE AIR. THE NOSE DIPPED MORE AND FULL AFT CYCLIC WAS APPLIED. THE MAIN ROTOR BLADES HIT THE GROUND AND THE ACFT YAWED AND ROLLED OVER TO THE RIGHT. THE ACFT WAS DESTROYED BY FIRE. THE PLT STATED THAT HE EXPERIENCED TURBULENCE AND AS HE TURNED TOWARD THE RAMP TO LAND THE ACFT BEGAN A RAPID DESCENT FROM 50 FT AGL. A LITTLE COLLECTIVE WAS ADDED BUT THE ACFT DID NOT RESPOND. THE PLT TURNED FAST INTO THE WIND AND ADDED FULL UP COLLECTIVE. THE DESCENT CONTINUED TO IMPACT.

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

WEATHER EVALUATION..INACCURATE..PILOT IN COMMAND

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

COMPENSATION FOR WIND CONDITIONS..INADEQUATE..PILOT IN COMMAND

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

COLLECTIVE..DELAYED..PILOT IN COMMAND

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

CYCLIC..EXCESSIVE..PILOT IN COMMAND

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

THROTTLE/POWER CONTROL..IMPROPER USE OF..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..TURBULENCE(THUNDERSTORMS)


Contributing Factors

LACK OF TOTAL EXPERIENCE IN TYPE OF AIRCRAFT..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..DOWNDRAFT

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