# NTSB UNK64X1966: Hughes 269A, N8750F, Stockton, CA, May 26, 1964

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: May 26, 1964
- Place: Stockton, CA · STOCKTON, CA
- Location: 37.9577° N, 121.2908° W: Placed by OpenAirDocs: center of Stockton, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.9577&lon=-121.2908&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report February 2, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 185005
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X1966
- Page: https://openairdocs.org/ntsb/UNK64X1966

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0195  64/5/26    STOCKTON CALIF      HUGHES 269A         CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, FL.INSTR.,
        TIME - 1400                    N8750F              PX-  0  0  1  DEMONSTRATION             AGE 25, 502 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            202 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - STOCKTON METRO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            LANDING: POWER-OFF AUTOROTATIVE LANDING
           AIRFRAME FAILURE: ON GROUND                              STATIC: IDLING ROTORS
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE INSPECTION OF AIRCRAFT (MAINTENANCE PERSONNEL)
        REMARKS- GROUND RESONANCE RESULT OF IMPROPERLY INFLATED LANDING GEAR STRUTS
```

## Aircraft

- Registration: N8750F (not matched to a registry record)
- Reported make and model: HUGHES 269A
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Stockton Metro

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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