# NTSB LAX66A0085: Hughes 269B, N9440F, Idlewild, CA, May 7, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 7, 1966
- Place: Idlewild, CA · IDLEWILD, CA
- Location: 35.8096° N, 118.6705° W: Placed by OpenAirDocs: center of Idlewild, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.8096&lon=-118.6705&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report October 11, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 172406
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX66A0085
- Page: https://openairdocs.org/ntsb/LAX66A0085

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0317   66/5/7    IDLEWILD CALIF      HUGHES 269B         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 29, 650
        TIME - 0800                    N9440F              PX-  0  0  1  PRACTICE                  TOTAL HOURS, 90 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
           TERRAIN - HIGH VEGETATION
        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                  TEMPERATURE-F
          NONE                                                      60
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
          CALM                                                     VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- SETTLED TO GROUND ON LEAVING GROUND EFFECT.SEARCH AND RESCUE PRACTICE.
```

## Aircraft

- Registration: [N9440F](https://openairdocs.org/aircraft/N9440F), registered now, S/N 55-0195, built 1965 (OpenAirDocs)
- Reported make and model: HUGHES 269B
- Registry model: [Hughes 269B](https://openairdocs.org/model/hughes-269b) (registry code 4470502) (OpenAirDocs)
- Registry engine: [Lycoming HIO-360-A1A](https://openairdocs.org/engine/lycoming-hio-360-a1a) (registry code 41885, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N9440F (5)

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 DEN76FTE70](https://openairdocs.org/ntsb/DEN76FTE70), May 18, 1976: Hughes 269B (N9440F), Broomfield, CO, substantial damage
- [NTSB DEN75FTE24](https://openairdocs.org/ntsb/DEN75FTE24), Sep 8, 1974: Hughes 269B (N9440F), Ft.Collins, CO, substantial damage
- [NTSB DEN74FTE30](https://openairdocs.org/ntsb/DEN74FTE30), Nov 14, 1973: Hughes 269B (N9440F), Broomfield, CO, substantial damage
- [NTSB OAK72FVW25](https://openairdocs.org/ntsb/OAK72FVW25), Mar 19, 1972: Hughes 269B (N9440F), Las Vegas, NV, substantial damage
- [NTSB LAX70D0213](https://openairdocs.org/ntsb/LAX70D0213), Nov 14, 1969: Hughes 269B (N9440F), 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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