NTSB Identification: DEN87LA107.
The docket is stored on NTSB microfiche number 34016.
Accident occurred Saturday, April 18, 1987 in DENVER, CO
Probable Cause Approval Date: 11/08/1988
Aircraft: BELL 206L-3, registration: N38886
Injuries: 5 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.

AN ATP PLT WAS CONDUCTING A SIGHT SEEING FLT OVER DENVER. THE PLT HAD 9 HOURS TOTAL TIME IN THIS MODEL HELICOPTER, 6 HOURS AS PIC. A HOVERING TAKEOFF WAS INITIATED TO THE NORTH WITH LEFT TURN TO THE WEST AFTER TAKEOFF. CURRENT WINDS WERE REPORTED FROM 220 DEGREES AT 17 KNOTS, GUSTING TO 27 KNOTS. THE DENSITY ALTITUDE WAS 7,600 FEET. THE PLT LANDED ON THE TAXIWAY FROM 25 TO 30 FEET ALTITUDE, WITH LOW ROTOR RPM WHICH RESULTED IN A HARD LANDING AND DAMAGE TO THE SKIDS AND THE LOWER CABIN AREA. A POST ACCIDENT INSPECTION WAS CONDUCTED BY AN A & P MECHANIC. NO ENGINE RUN WAS POSSIBLE BUT A COMPLETE PNEUMATIC, FUEL SYSTEM AND COMPRESSOR INSPECTION WAS PERFORMED AND NO EVIDENCE OF AN ENGINE MALFUNCTION/FAILURE WAS NOTED.

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

ADEQUATE ROTOR RPM..NOT MAINTAINED..PILOT IN COMMAND

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

LACK OF FAMILIARITY WITH AIRCRAFT..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..TAILWIND


Contributing Factors

WEATHER CONDITION..HIGH DENSITY ALTITUDE

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