# NTSB MKC68F0567: Piper PA-22, N4509A, Buffalo, MN, April 29, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 29, 1968
- Place: Buffalo, MN · BUFFALO, MN
- Location: 45.1795° N, 93.8640° W: Placed by OpenAirDocs: center of Buffalo, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.1795&lon=-93.8640&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report June 26, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 110809
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC68F0567
- Page: https://openairdocs.org/ntsb/MKC68F0567

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1172  68/4/29    BUFFALO,MINN        PIPER PA-22         CR-  0  0  1  NONCOMMERCIAL             AIRLINE TRANSPORT, AGE
        TIME - 1300                    N4509A              PX-  0  0  2  PLEASURE/PERSONAL TRANSP  44, 18000 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            255 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - BUFFALO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           GEAR COLLAPSED                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           POWERPLANT - FUEL SYSTEM: SELECTOR VALVES
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY SECURED
           MISCELLANEOUS ACTS,CONDITIONS - FUEL STARVATION
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        REMARKS- FUEL SELECTOR VALVE LOOSE,INADVERTENTLY MOVED BY PAX KNEE.
```

## Aircraft

- Registration: N4509A (not matched to a registry record)
- Reported make and model: PIPER PA-22
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Buffalo

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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