# NTSB CHI66A0096: Hughes 269A, N8778F, Hinsdale, IL, June 8, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 8, 1966
- Place: Hinsdale, IL · HINSDALE, IL
- Location: 41.8007° N, 87.9282° W: Placed by OpenAirDocs: center of Hinsdale, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.8007&lon=-87.9282&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 16, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 171530
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI66A0096
- Page: https://openairdocs.org/ntsb/CHI66A0096

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
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.
```

## Aircraft

- Registration: N8778F (not matched to a registry record)
- Reported make and model: HUGHES 269A
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Hinsdale

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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