# NTSB ANC68F0089: Cessna 170, N3474D, Skwentna, AK, December 4, 1967

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 4, 1967
- 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: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report February 27, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 112413
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC68F0089
- Page: https://openairdocs.org/ntsb/ANC68F0089

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4582   67/12/4   SKWENTNA,ALAS       CESSNA 170          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 32, 113
        TIME - 1030                    N3474D              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 71 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - ALEXANDER LAKE
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: TREES                                     LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: PISTON,PISTON RINGS
           MISCELLANEOUS ACTS,CONDITIONS - OVERHEATED
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: OTHER
           PILOT IN COMMAND - MISJUDGED DISTANCE AND SPEED
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- PLT PARTIALLY COVERED AIR OPENINGS IN ENG COWL.CAUSED BURNT HOLE IN NO.4 PISTON.OVERSHOT ON LNDG.
```

## Aircraft

- Registration: [N3474D](https://openairdocs.org/deregistered/N3474D-1970-12-31), registration cancelled 1970-12-31, S/N 27017 (OpenAirDocs)
- Reported make and model: CESSNA 170
- Registry model: [Cessna 170B](https://openairdocs.org/model/cessna-170b) (registry code 2072306) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Alexander Lake

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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