# NTSB LAX76FUJ30: Hughes 269C, N9666F, Phoenix, AZ, September 24, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 24, 1975
- 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: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report March 4, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 151336
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX76FUJ30
- Page: https://openairdocs.org/ntsb/LAX76FUJ30

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4027  75/9/24    PHOENIX,AZ          HUGHES 269C         CR-  0  0  2  MISCELLANEOUS             COMMERCIAL, AGE 25, 2645
        TIME - 2014                    N9666F              PX-  0  0  0  POLICE PATROL             TOTAL HOURS, 1365 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          PHOENIX,AZ                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - OVERHEATED
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           MISCELLANEOUS - EVASIVE MANEUVER TO AVOID COLLISION
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- CARB SET TOO LEAN. NR 2 CYL EXHAUST VALVE FAILED.EXTND GLIDE TO AVOID CAR,LDG ON ST.
```

## Aircraft

- Registration: [N9666F](https://openairdocs.org/deregistered/N9666F-2012-09-20), registration cancelled 2012-09-20, S/N 610120, built 1971 (OpenAirDocs)
- Reported make and model: HUGHES 269C
- Registry model: [Hughes 269C](https://openairdocs.org/model/hughes-269c) (registry code 4470504) (OpenAirDocs)
- Registry engine: [Lycoming I0360 series](https://openairdocs.org/engine/lycoming-i0360-series) (registry code 41515, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19750924042129A](https://openairdocs.org/incident/19750924042129A), Sep 24, 1975: Hughes 269C, Phoenix, AZ, Substantial damage. Carb set too lean. Nr 2 cyl exhaust valve failed. Extnd glide to avoid car,ldg on st.

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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