# NTSB ANC75AA041: Cessna 170, N2231D, Chalkyitsik, AK, November 5, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 5, 1974
- Place: Chalkyitsik, AK · CHALKYITSIK, AK
- Location: 66.6467° N, 143.7857° W: Placed by OpenAirDocs: center of Chalkyitsik, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=66.6467&lon=-143.7857&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report January 3, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 143027
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC75AA041
- Page: https://openairdocs.org/ntsb/ANC75AA041

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3750   74/11/5 NR.CHALKYITSIK,ALAS   CESSNA 170          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 26, 3440
        TIME - 1245                    N2231D              PX-  0  0  0  AIR TAXI-CARGO            TOTAL HOURS, 130 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          FORT YUKON,ALAS            CHALKYITSIK,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           TAXI: FROM LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED SPEED
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
        FACTOR(S)
           TERRAIN - SNOW-COVERED
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- SNOW COVERED SAND BAR.SKI SANK INTO GRAVEL.
```

## Aircraft

- Registration: [N2231D](https://openairdocs.org/aircraft/N2231D), registered now, S/N 20383, built 1952 (OpenAirDocs)
- Reported make and model: CESSNA 170
- Registry model: [Cessna 170B](https://openairdocs.org/model/cessna-170b) (registry code 2072306) (OpenAirDocs)
- Registry engine: [Continental C145 series](https://openairdocs.org/engine/continental-c145-series) (registry code 17012, 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 19741105041759A](https://openairdocs.org/incident/19741105041759A), Nov 5, 1974: Cessna 170B, Chalkyitsik, AK, Substantial damage. Snow covered sand bar. Ski sank into gravel.

## Other investigations on N2231D (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 ANC77DA013](https://openairdocs.org/ntsb/ANC77DA013), Dec 4, 1976: Cessna 170B (N2231D), Beaver, 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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