# NTSB UNK65X0332: Navion A, N4000G, Lancaster, KY, October 18, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 18, 1964
- Place: Lancaster, KY · LANCASTER, KY
- Location: 37.6104° N, 84.5841° W: Placed by OpenAirDocs: center of Lancaster, KY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.6104&lon=-84.5841&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 25, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 186027
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK65X0332
- Page: https://openairdocs.org/ntsb/UNK65X0332

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3260  64/10/18   LANCASTER KY        NAVION A            CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 50, UNK/NR
        TIME - 1515                    N4000G              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 597 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE                                  IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: FENCE,FENCEPOSTS                          LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           POWERPLANT - PROPELLER AND ACCESSORIES: HYDRAULIC PITCH CONTROL MECHANISM
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- PROPELLER OIL DIAPHRAM FAILED.
```

## Aircraft

- Registration: [N4000G](https://openairdocs.org/aircraft/N4000G), registered now, S/N NAV-4-1920, built 1949 (OpenAirDocs)
- Reported make and model: NAVION A
- Registry model: [Navion NAVION A](https://openairdocs.org/model/navion-navion-a) (registry code 6150104) (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

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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