# NTSB MKC65F0073: Beechcraft S-35, N7936K, Donnellson, IA, March 27, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 27, 1965
- Place: Donnellson, IA · DONNELLSON, IA
- Location: 40.6453° N, 91.5641° W: Placed by OpenAirDocs: center of Donnellson, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.6453&lon=-91.5641&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 6 uninjured
- Status: Completed, report May 20, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 179018
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC65F0073
- Page: https://openairdocs.org/ntsb/MKC65F0073

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0658  65/3/27  NR.DONNELLSON IOWA    BEECHCRAFT S-35     CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 39, 1029
        TIME - 1130                    N7936K              PX-  0  0  5  BUSINESS                  TOTAL HOURS, 140 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
          PWR PLT-SEAL ON OIL FILTER IMPROPERLY INSTALLED.
           MISCELLANEOUS ACTS,CONDITIONS - 0IL EXHAUSTION-PROPELLER SYSTEM
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
```

## Aircraft

- Registration: [N7936K](https://openairdocs.org/aircraft/N7936K), registered now, S/N D-7428, built 1964 (OpenAirDocs)
- Reported make and model: BEECHCRAFT S-35
- Registry model: [Beech S35](https://openairdocs.org/model/beech-s35) (registry code 1151532) (OpenAirDocs)
- Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, 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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