# NTSB ANC79FA090: Cessna 207, N1759U, Umiat, AK, September 8, 1979

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 8, 1979
- Place: Umiat, AK · UMIAT, AK
- Location: 69.3669° N, 152.1442° W: Placed by OpenAirDocs: center of Umiat, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=69.3669&lon=-152.1442&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report March 20, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 133267
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC79FA090
- Page: https://openairdocs.org/ntsb/ANC79FA090

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3616   79/9/8  NR.UMIAT,AK           CESSNA 207          CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1030                    N1759U              PX-  0  0  2  AIR TAXI-PASSG            AGE 26, 1795 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            115 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          BARROW,AK.                  RETURN                      UMIAT,AK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CRANKSHAFT
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           TERRAIN - ROUGH/UNEVEN
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- CRANKSHAFT FAILED AT NO 2 JOURNAL.
```

## Aircraft

- Registration: [N1759U](https://openairdocs.org/deregistered/N1759U-2022-02-05), registration cancelled 2022-02-05, S/N 20700359, built 1976 (OpenAirDocs)
- Reported make and model: CESSNA 207
- Registry model: [Cessna 207](https://openairdocs.org/model/cessna-207) (registry code 2073602) (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

## 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 19790908040119A](https://openairdocs.org/incident/19790908040119A), Sep 8, 1979: Cessna 207, Umiat, AK, Substantial damage. Engine failure en route. Landed on soft tundra. Airplane flipped over. Found broken crankshaft.

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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