NTSB Identification: NYC88LA160.
The docket is stored on NTSB microfiche number 38097.
Accident occurred Sunday, June 05, 1988 in WESTERLY, RI
Probable Cause Approval Date: 12/29/1989
Aircraft: ENSTROM F-28C, registration: N580H
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 INSTRUCTOR PILOT STATED THAT AFTER EXECUTING SEVERAL STRAIGHT-IN AND 180 DEGREE AUTOROTATIONS THEY DECIDED TO ATTEMPT SOME HOVERING AUTOROTATIONS. AFTER EXECUTING THE FIRST ONE SUCCESSFULLY IN A TAILWIND SITUATION, THE STUDENT INITIATED THE SECOND ONE, STILL DOWNWIND, FROM A STABILIZED 3 TO 5 FOOT HOVER. THE CFI STATED THAT THE NOSE OF THE HELICOPTER BEGAN TO PITCH DOWN VERY ABRUPTLY AND BOTH HE AND THE STUDENT APPLIED AFT CYCLIC. DIRECTIONAL CONTROL WAS MAINTAINED; HOWEVER, THE ACFT COLLIDED WITH THE GROUND WITH THE MAIN ROTORS AND THE FORWARD PORTION OF THE SKIDS. THE HELICOPTER THEN ROCKED BACK TO A LEVEL ATTITUDE AND WAS SHUT DOWN.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:ROTORCRAFT FLIGHT CONTROLS..IMPROPER USE OF..DUAL STUDENT
The National Transportation Safety Board determines the probable cause(s) of this accident to be:SUPERVISION..INADEQUATE..PILOT IN COMMAND(CFI)
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