NTSB Identification: NYC83FNC05.
The docket is stored on NTSB microfiche number 20861.
Accident occurred Thursday, June 02, 1983 in NEW MARKET, NH
Aircraft: ENSTROM 280C, registration: N587H
Injuries: 2 Minor.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

AFTER COMPLETING A NORMAL RUN-UP & MAG CHECK, THE PLT HOVERED IN GROUND EFFECT. A NORMAL TAKEOFF WAS THEN MADE IN GROUNDEFFECT. AT ABOUT 200 FT AGL THE PLT NOTICED THE RPM DROPPING FROM 2900 TO ABOUT 2700. HE TRIED TO RESTORE BY DROPPING COLLECTIVE & INCREASING THROTTLE, BUT THERE WAS NO RESPONSE & THE RPM CONTINUED TO DROP. HE THEN RESTORED COLLECTIVE TO 33-34 INCHES OF MP BUT RPM STILL CONTINUED TO DROP. AT ABOUT 300 FT AGL & WITH THE RPM LAST OBSERVED AT 2300, A FORCED LANDING WAS MADE ON A 45 DEG SLOPING DIRT PILE.

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

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


Contributing Factors

TERRAIN CONDITION..DIRT BANK/RISING EMBANKMENT


Contributing Factors

TERRAIN CONDITION..NONE SUITABLE

Index for Jun1983 | Index of months