# NTSB ANC71DAA25: Cessna 170B, N3458C, Bettles, AK, March 10, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 10, 1971
- Place: Bettles, AK · BETTLES, AK
- Location: 66.9073° N, 151.5381° W: Placed by OpenAirDocs: center of Bettles, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=66.9073&lon=-151.5381&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report December 16, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 160528
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC71DAA25
- Page: https://openairdocs.org/ntsb/ANC71DAA25

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1020  71/3/10    BETTLES,ALAS        CESSNA 170B         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 39, 2450
        TIME - 1000                    N3458C              PX-  0  0  0  BUSINESS                  TOTAL HOURS, 2350 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - CHANDALAR LAKE
        DEPARTURE POINT             INTENDED DESTINATION
          BETTLES,ALAS                WISEMAN,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           TAKEOFF: RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           AIRFRAME - LANDING GEAR: WHEELS,TIRES,AXLES
           MISCELLANEOUS ACTS,CONDITIONS - PREVIOUS DAMAGE
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: OTHER
        REMARKS- LDG GR DMG NOT DISCOVERED DURG PREFLT.AXLE BROKE DURG TKOF FROM ROUGH FROZEN LAKE.
```

## Aircraft

- Registration: [N3458C](https://openairdocs.org/aircraft/N3458C), registered now, S/N 26501 (OpenAirDocs)
- Reported make and model: CESSNA 170B
- 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
- Airport: Chandalar Lake

## Other investigations on N3458C (2)

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 ANC76AAA50](https://openairdocs.org/ntsb/ANC76AAA50), Aug 15, 1976: Cessna 170B (N3458C), Aichillik Rvr, AK, substantial damage
- [NTSB ANC66D0095](https://openairdocs.org/ntsb/ANC66D0095), Mar 24, 1966: Cessna 170B (N3458C), Denali, 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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