# NTSB CHI81FER67: Beech P35, N1501S, Stephen, MN, September 5, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 5, 1981
- Place: Stephen, MN · STEPHEN, MN
- Location: 48.4524° N, 96.8763° W: Placed by OpenAirDocs: center of Stephen, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=48.4524&lon=-96.8763&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report December 2, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 124029
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI81FER67
- Page: https://openairdocs.org/ntsb/CHI81FER67

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2788   81/9/5    STEPHEN,MN          BEECH P35           CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 56, 3278
        TIME - 1000                    N1501S              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 675 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - STEPHEN MUNICIPAL
        DEPARTURE POINT             INTENDED DESTINATION
          WALLHALLA,ND                BEMIDJI,MN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           POWERPLANT - ENGINE STRUCTURE: CYLINDER ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - UNDER TORQUED
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- #2 CYL HOLD DOWN BOLTS SHEARED EXCEPT BOLT #15 IN CRANKCASE TORQUEING ORDER.
```

## Aircraft

- Registration: [N1501S](https://openairdocs.org/aircraft/N1501S), registered now, S/N D-6898, built 1962 (OpenAirDocs)
- Reported make and model: BEECH P35
- Registry model: [Beech P35](https://openairdocs.org/model/beech-p35) (registry code 1151530) (OpenAirDocs)
- Registry engine: [Continental I0-470 series](https://openairdocs.org/engine/continental-i0-470-series) (registry code 17027, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Stephen Municipal

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19810905055319A](https://openairdocs.org/incident/19810905055319A), Sep 5, 1981: Beech 35BEECH, Stephen, MN, Substantial damage. Engine failed and pilot unable to make runway. Landed short in plowed field.

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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