# NTSB CHI75FEI20: Hughes 369HS, N9204F, Bosworth, OH, October 7, 1974

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: October 7, 1974
- Place: Bosworth, OH · BOSWORTH, OH
- Location: 41.2806° N, 81.4834° W: Placed by OpenAirDocs: center of Bosworth, OH, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.2806&lon=-81.4834&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 1 uninjured
- Status: Completed, report April 28, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 144855
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI75FEI20
- Page: https://openairdocs.org/ntsb/CHI75FEI20

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4267   74/10/7   BOSWORTH,OHIO       HUGHES 369HS        CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 31, 2200
        TIME -                         N9204F              PX-  0  0  1  PRACTICE                  TOTAL HOURS, 105 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - BOSWORTH
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          MANSFIELD,OHIO              AVON,OHIO                    BOSWORTH,OHIO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: STARTING SWATH RUN
           HARD LANDING                                             IN FLIGHT: AUTOROTATIVE DESCENT
        PROBABLE CAUSE(S)
           MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS
           PILOT IN COMMAND - MISJUDGED SPEED AND ALTITUDE
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
        REMARKS- PLT INITIATED A PWR ON RCVRY FRM PRACTICE AUTOROTATION.
```

## Aircraft

- Registration: [N9204F](https://openairdocs.org/deregistered/N9204F-2003-03-28), registration cancelled 2003-03-28, S/N 1230544S, built 1973 (OpenAirDocs)
- Reported make and model: HUGHES 369HS
- Registry model: [Hughes 369HS](https://openairdocs.org/model/hughes-369hs) (registry code 4470728) (OpenAirDocs)
- Registry engine: [Allison 250 SER 400HP](https://openairdocs.org/engine/allison-250-ser-400hp) (registry code 03013, turbo-shaft) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- Damage: Substantial damage
- Airport: Bosworth

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19741007043369A](https://openairdocs.org/incident/19741007043369A), Oct 7, 1974: Hughes 369HE, Bosworth, OH, Substantial damage. Plt initiated a pwr on rcvry frm practice autorotation.

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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