# NTSB ANC71DAG40: Cessna 170B, N3118B, Skwentna, AK, September 6, 1970

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: September 6, 1970
- Place: Skwentna, AK · SKWENTNA, AK
- Location: 61.9903° N, 151.3978° W: Placed by OpenAirDocs: center of Skwentna, AK, within about 12 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=61.9903&lon=-151.3978&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 1 uninjured
- Status: Completed, report June 19, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 132475
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC71DAG40
- Page: https://openairdocs.org/ntsb/ANC71DAG40

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3642   70/9/6  NR.SKWENTNA,ALAS      CESSNA 170B         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 46, 1568
        TIME - 1200                    N3118B              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 76 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         SKWENTNA,ALAS                SKWENTNA,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           TAKEOFF: RUN
           NOSE OVER/DOWN                                           TAKEOFF: RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
           TERRAIN - ROUGH/UNEVEN
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- RIVER SAND,GRAVEL BAR.HIT 8IN RISE.
```

## Aircraft

- Registration: [N3118B](https://openairdocs.org/deregistered/N3118B-2009-10-23), registration cancelled 2009-10-23, S/N 25360, built 1952 (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

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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