# NTSB UNK64X3704: Hughes 269A, N8784F, Phoenix, AZ, August 31, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 31, 1964
- Place: Phoenix, AZ · PHOENIX, AZ
- Location: 33.4484° N, 112.0740° W: Placed by OpenAirDocs: center of Phoenix, AZ, within about 13 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.4484&lon=-112.0740&mi=10
- Phase of flight: [Uncontrolled descent](https://openairdocs.org/ntsb-phases/650) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report December 24, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 182641
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X3704
- Page: https://openairdocs.org/ntsb/UNK64X3704

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0626  64/8/31    PHOENIX ARIZ        HUGHES 269A         CR-  0  0  1  INSTRUCTIONAL             PRIVATE, AGE 45, 1750
        TIME - 1430                    N8784F              PX-  0  0  0  SOLO                      TOTAL HOURS, 25 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL                                                    IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
        REMARKS- PILOT USED AN EXCESSIVE HEIGHT TO PRACTICE MANEUVER INVOLVED
```

## Aircraft

- Registration: [N8784F](https://openairdocs.org/deregistered/N8784F-1997-02-19), registration cancelled 1997-02-19, S/N 720110 (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: Destroyed

## Other investigations on N8784F (3)

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 MIA96LA209](https://openairdocs.org/ntsb/MIA96LA209), Aug 10, 1996: Hughes 269A (N8784F), Cottondale, FL, substantial damage. Probable cause: improper assembly of the main rotor blade dampners by a mechanic which resulted in the helicopter being damaged by ground resonance.
- [NTSB LAX89LA127](https://openairdocs.org/ntsb/LAX89LA127), Mar 18, 1989: Hughes 269A (N8784F), Malibu, CA, no damage. Probable cause: THE FAILURE OF THE PASSENGER TO FOLLOW BRIEFED PROCEDURES AND THE FAILURE OF GROUND PERSONNEL TO PROVIDE ADEQUATE ASSISTANCE.
- [NTSB UNK64X1150](https://openairdocs.org/ntsb/UNK64X1150), Apr 3, 1964: Hughes 269A (N8784F), Phoenix, AZ, 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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