# NTSB UNK65X0559: Cessna 180, N4641U, Kwethluk, AK, November 4, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 4, 1964
- Place: Kwethluk, AK · KWETHLUK, AK
- Location: 60.7936° N, 161.4308° W: Placed by OpenAirDocs: center of Kwethluk, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=60.7936&lon=-161.4308&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 5 uninjured
- Status: Completed, report January 19, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 181138
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK65X0559
- Page: https://openairdocs.org/ntsb/UNK65X0559

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3674   64/11/4   KWETHLUK ALAS       CESSNA 180          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 21, 1100
        TIME - 1500                    N4641U              PX-  0  0  4  AIR TAXI-PASSG            TOTAL HOURS, 1015 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
           TERRAIN - SNOW-COVERED
           TERRAIN - HIGH VEGETATION
```

## Aircraft

- Registration: [N4641U](https://openairdocs.org/deregistered/N4641U-1970-06-08), registration cancelled 1970-06-08, S/N 18051341 (OpenAirDocs)
- Reported make and model: CESSNA 180
- Registry model: [Cessna 180G](https://openairdocs.org/model/cessna-180g) (registry code 2072616) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N4641U (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 ANC70AA054](https://openairdocs.org/ntsb/ANC70AA054), Jan 7, 1970: Cessna 180 (N4641U), Bethel, AK, 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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