# NTSB CHI66F0639: Piper PA-22, N3641A, Merrill, MI, January 30, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 30, 1966
- Place: Merrill, MI · MERRILL, MI
- Location: 43.4091° N, 84.3345° W: Placed by OpenAirDocs: center of Merrill, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.4091&lon=-84.3345&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report April 26, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 173086
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI66F0639
- Page: https://openairdocs.org/ntsb/CHI66F0639

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0449  66/1/30    MERRILL MICH        PIPER PA-22         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 22, 350
        TIME - 1230                    N3641A              PX-  0  0  3  BUSINESS                  TOTAL HOURS, 300 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: SNOWBANK                                  LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - LUBRICATING SYSTEM: SEALS AND GASKETS
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- CRANKSHAFT SEAL FAILED
```

## Aircraft

- Registration: N3641A (not matched to a registry record)
- Reported make and model: PIPER PA-22
- 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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