# NTSB ANC81DA104: Cessna U206, N35831, Big River, AK, September 1, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 1, 1981
- Place: Big River, AK · BIG RIVER, AK
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report September 18, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 124540
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC81DA104
- Page: https://openairdocs.org/ntsb/ANC81DA104

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1853   81/9/1  NR.BIG RIVER,AK       CESSNA U206         CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1230                    N35831              PX-  0  0  1  AIR TAXI-CARGO            AGE 41, 1885 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            392 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - FIELD SITE
        DEPARTURE POINT             INTENDED DESTINATION
         BIG RIVER,AK                 ANCHORAGE,AK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: ABORTED
           COLLIDED WITH: OBJECT                                    TAKEOFF: ABORTED
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
           PILOT IN COMMAND - DELAYED ACTION IN ABORTING TAKEOFF
        FACTOR(S)
           TERRAIN - WET,SOFT GROUND
           TERRAIN - HIGH VEGETATION
           TERRAIN - GLASSY WATER
           TERRAIN - SANDY
        REMARKS- ATMTD TKOF FM SANDBAR W TREES AT DEP END.L GEAR DUG IN,L WING HIT BRUSH & EMBANKMENT.
```

## Aircraft

- Registration: [N35831](https://openairdocs.org/deregistered/N35831-2013-04-10), registration cancelled 2013-04-10, S/N U20602744, built 1975 (OpenAirDocs)
- Reported make and model: CESSNA U206
- Registry model: [Cessna U206F](https://openairdocs.org/model/cessna-u206f) (registry code 2073333) (OpenAirDocs)
- Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Field Site

## 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 19810901055159A](https://openairdocs.org/incident/19810901055159A), Sep 1, 1981: Cessna 206CESSNA, Big River, AK, Substantial damage. Lost directional control in soft sand in attempt to depart a sand bar. Airplane ground-looped into trees.

## Other investigations on N35831 (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 SEA91LA212](https://openairdocs.org/ntsb/SEA91LA212), Aug 19, 1991: Cessna U206F (N35831), Nimrod, OR, substantial damage. Probable cause: THE FRACTURED CRANKSHAFT RESULTING IN ENGINE SEIZURE FOLLOWED BY A FORCED LANDING ON ROUGH AND UNEVEN TERRAIN RESULTING IN SEPARATION OF THE NOSE GEAR.

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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