# NTSB ANC76AAA50: Cessna 170B, N3458C, Aichillik Rvr, AK, August 15, 1976

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 15, 1976
- Place: Aichillik Rvr, AK · AICHILLIK RVR, AK
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 16, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 149735
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC76AAA50
- Page: https://openairdocs.org/ntsb/ANC76AAA50

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3140  76/8/15    AICHILLIK RVR,AK    CESSNA 170B         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 23, 3234
        TIME - 1100                    N3458C              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 25 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          FAIRBANKS,AK                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - WATER IN FUEL
        FACTOR(S)
           TERRAIN - ROUGH/UNEVEN
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- LND ON GRAVEL BAR & HIT SOFT SPOT.
```

## 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

## 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 19760815023909A](https://openairdocs.org/incident/19760815023909A), Aug 15, 1976: Cessna 170B, Aichillik Rvr, AK, Substantial damage. Lnd on gravel bar & hit soft spot.

## 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 ANC71DAA25](https://openairdocs.org/ntsb/ANC71DAA25), Mar 10, 1971: Cessna 170B (N3458C), Bettles, 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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