# NTSB OAK71FXQ37: Hughes 269A, N8804F, Verdi, NV, April 28, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 28, 1971
- Place: Verdi, NV · VERDI, NV
- Location: 39.5217° N, 119.9825° W: Placed by OpenAirDocs: center of Verdi, NV, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.5217&lon=-119.9825&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report January 3, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 160883
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK71FXQ37
- Page: https://openairdocs.org/ntsb/OAK71FXQ37

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1402  71/4/28    VERDI,NEV           HUGHES 269A         CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1900                    N8804F              PX-  0  0  0  DUAL                      AGE 55, 13943 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 155 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          VERDI,NEV                   AUBURN,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                TAKEOFF: VERTICAL
           ROLL OVER                                                TAKEOFF: VERTICAL
        PROBABLE CAUSE(S)
           DUAL STUDENT - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        REMARKS- WHEN ACFT WENT INTO HOVER OUT OF GRD EFFECT PLT LOST RPM AND DRCTNL CTL.
```

## Aircraft

- Registration: [N8804F](https://openairdocs.org/deregistered/N8804F-1973-01-26), registration cancelled 1973-01-26, S/N 122-0139 (OpenAirDocs)
- Reported make and model: HUGHES 269A
- Registry model: [Hughes 269A](https://openairdocs.org/model/hughes-269a) (registry code 4470402) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

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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