# NTSB NYC75FGM30: Navion A, N4539K, Huntingdon Twp, PA, April 2, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 2, 1975
- Place: Huntingdon Twp, PA · HUNTINGDON TWP, PA
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report May 14, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 148204
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC75FGM30
- Page: https://openairdocs.org/ntsb/NYC75FGM30

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0750   75/4/2    HUNTINGDON TWP,PA   NAVION A            CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 43, 311
        TIME - 1650                    N4539K              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 56 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ROSTRANER,PA                MONROEVILLE,PA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: TREES                                     LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           POWERPLANT - FUEL SYSTEM: SELECTOR VALVES
           MISCELLANEOUS ACTS,CONDITIONS - FUEL STARVATION
           TERRAIN - HIGH OBSTRUCTIONS
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        REMARKS- FUEL SELECTOR VALVE FITTD WITH IMPROPER O-RINGS WHICH PERMITTD AIR INTO FUEL SYSTEM.
```

## Aircraft

- Registration: [N4539K](https://openairdocs.org/deregistered/N4539K-2018-01-24), registration cancelled 2018-01-24, S/N NAV-4-1539, built 1948 (OpenAirDocs)
- Reported make and model: NAVION A
- Registry model: [Ryan NAVION](https://openairdocs.org/model/ryan-navion) (registry code 6150160) (OpenAirDocs)
- Registry engine: [Continental E185 series](https://openairdocs.org/engine/continental-e185-series) (registry code 17014, reciprocating) (OpenAirDocs)
- Category: Airplane
- 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 19750402007389A](https://openairdocs.org/incident/19750402007389A), Apr 2, 1975: Navion NAVION*, Huntingdon Twp, PA, Substantial damage. Fuel selector valve fittd with improper o-rings which permittd air into fuel system.

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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