# NTSB UNK65X0561: Hughes 269A, N8812F, Mt Trumbull, AZ, November 4, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 4, 1964
- Place: Mt Trumbull, AZ · MT TRUMBULL, AZ
- Location: 36.4119° N, 113.3255° W: Placed by OpenAirDocs: center of Mount Trumbull, AZ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.4119&lon=-113.3255&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report February 9, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 181797
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK65X0561
- Page: https://openairdocs.org/ntsb/UNK65X0561

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0824   64/11/4   MT TRUMBULL ARIZ    HUGHES 269A         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 38, 455
        TIME - 1630                    N8812F              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 135 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          NONE                                                     VFR
        TYPE OF FLIGHT PLAN
          NONE
```

## Aircraft

- Registration: [N8812F](https://openairdocs.org/deregistered/N8812F-2020-10-03), registration cancelled 2020-10-03, S/N 122-0144, built 1963 (OpenAirDocs)
- Reported make and model: HUGHES 269A
- Registry model: [Hughes 269A](https://openairdocs.org/model/hughes-269a) (registry code 4470402) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N8812F (1)

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.

- [NTSB LAX69F0086](https://openairdocs.org/ntsb/LAX69F0086), Jul 26, 1968: Hughes 269A (N8812F), Marina Del Ray, CA, destroyed

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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