# NTSB SEA71FDG13: Cessna 170A, N9543A, Fort Benton, MT, September 14, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 14, 1970
- Place: Fort Benton, MT · FORT BENTON, MT
- Location: 47.8288° N, 110.6561° W: Placed by OpenAirDocs: center of Fort Benton, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.8288&lon=-110.6561&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report June 29, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 143378
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA71FDG13
- Page: https://openairdocs.org/ntsb/SEA71FDG13

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3749  70/9/14    FORT BENTON,MONT    CESSNA 170A         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 35, 375
        TIME - 0800                    N9543A              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 9 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - FORT BENTON
        DEPARTURE POINT             INTENDED DESTINATION
          FORT BENTON,MONT            POLSON,MONT
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           NOSE OVER/DOWN                                           TAKEOFF: ABORTED
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        FACTOR(S)
           TERRAIN - GLASSY WATER
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        REMARKS- DRG FINAL RUN PLT CLOSED THROTTLE,RELEASED ELEV PRESSURE ACFT NOSED OVR.ENG CONVERSION RCDS INCOMP
```

## Aircraft

- Registration: [N9543A](https://openairdocs.org/aircraft/N9543A), registered now, S/N 19104, built 1949 (OpenAirDocs)
- Reported make and model: CESSNA 170A
- Registry model: [Cessna 170A](https://openairdocs.org/model/cessna-170a) (registry code 2072304) (OpenAirDocs)
- Registry engine: [Franklin 6A4165 series](https://openairdocs.org/engine/franklin-6a4165-series) (registry code 27025, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Fort Benton

## Other investigations on N9543A (1)

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.

- [NTSB ANC77FA066](https://openairdocs.org/ntsb/ANC77FA066), Jul 30, 1977: Cessna 170-A (N9543A), Portage Pass, AK, destroyed, 5 fatal

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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