# NTSB UNK65X0331: Cessna 140, N4040N, Auburn, CA, October 18, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 18, 1964
- Place: Auburn, CA · AUBURN, CA
- Location: 38.8951° N, 121.0767° W: Placed by OpenAirDocs: center of Auburn, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.8951&lon=-121.0767&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): 186026
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK65X0331
- Page: https://openairdocs.org/ntsb/UNK65X0331

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3259  64/10/18   AUBURN CALIF        CESSNA 140          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 30, 455
        TIME - 1445                    N4040N              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 104 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - AUBURN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: CLIMB TO CRUISE
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- #4 CYLINDER INTAKE VALVE FAILED.
```

## Aircraft

- Registration: N4040N (not matched to a registry record)
- Reported make and model: CESSNA 140
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Auburn

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
