NTSB Identification: CHI66A0096
14 CFR Part 91 General Aviation
Aircraft: HUGHES 269A, registration: N8778F
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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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2-0399   66/6/8    HINSDALE ILL        HUGHES 269A         CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1210                    N8778F              PX-  0  0  0  DUAL                      AGE 44, 5089 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            120 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - HINSDALE
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: POWER-ON LANDING
           ROLL OVER                                                LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           DUAL STUDENT - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- STUDENT LOST ROTOR RPM DURING PRACTICE AUTOROTATION. UNSUCCESSFUL POWER RECOVERY BY INSTRUCTOR.
Full narrative is not available


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