NTSB Identification: DEN87LA243.
The docket is stored on NTSB microfiche number 34982.
Accident occurred Sunday, September 27, 1987 in LAS CRUCES, NM
Probable Cause Approval Date: 04/24/1989
Aircraft: ROBINSON R-22M, registration: N47RW
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.

A CFI AND A PRIVATE PLT WERE FERRYING A NEWLY PURCHASED HELICOPTER TO THEIR HOME AIRPORT. DURING A FUEL STOP, WHILE ON A VISUAL APPROACH, THE HELICOPTER ENCOUNTERED WINDSHEAR. THE DENSITY ALTITUDE WAS 8000 FEET, AND THE HELICOPTER WAS AT OR NEAR MAX GROSS WT. THE PLT REPORTED ADDING ADDITIONAL COLLECTIVE PITCH TO TRY TO COUNTER A HIGH RATE OF DESCENT. THE LOW ROTOR RPM WARNING SOUNDED JUST PRIOR TO TOUCHDOWN. A HARD LANDING WITH FORWARD AIRSPEED RESULTED. THE HELICOPTER NOSED OVER AND THE MAIN ROTOR CONTACTED THE TERRAIN, THEN SEVERED THE TAIL BOOM. THE HELICOPTER ROLLED LEFT AND CAME TO REST ON THE LEFT SIDE.

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:

WEATHER EVALUATION..INADEQUATE..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..WINDSHEAR


Contributing Factors

WEATHER CONDITION..DOWNDRAFT


Contributing Factors

WEATHER CONDITION..HIGH DENSITY ALTITUDE

Index for Sep1987 | Index of months