# NTSB CHI81DER46: Cessna 180, N4790B, Afton, MN, June 25, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 25, 1981
- Place: Afton, MN · AFTON, MN
- Location: 44.8988° N, 92.8191° W: Placed by OpenAirDocs: center of Afton, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.8988&lon=-92.8191&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report September 14, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 125765
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI81DER46
- Page: https://openairdocs.org/ntsb/CHI81DER46

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1677  81/6/25    AFTON,MN            CESSNA 180          CR-  0  0  1  NONCOMMERCIAL             AIRLINE TRANSPORT, AGE
        TIME - 1345                    N4790B              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  42, 12000 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            495 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - ST.CROIX RIVER
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          ST PAUL,MN                  RETURN                       ST CROIX,MN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
           PILOT IN COMMAND - IMPROPER COMPENSATION FOR WIND CONDITIONS
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: ROUGH WATER
           WEATHER - UNFAVORABLE WIND CONDITIONS
           MISCELLANEOUS ACTS,CONDITIONS - TOUCH AND GO LANDING
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          SCATTERED                                                UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     UNKNOWN/NOT REPORTED
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          290                                                       15
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- DID NOT SEE WAKE FM CRUISER ON CHOPPY WTR,R FLOAT ENCTRD WAVE.WND GSTG 25KTS.
```

## Aircraft

- Registration: [N4790B](https://openairdocs.org/aircraft/N4790B), registered now, S/N 31688, built 1955 (OpenAirDocs)
- Reported make and model: CESSNA 180
- Registry model: [Cessna 180](https://openairdocs.org/model/cessna-180) (registry code 2072602) (OpenAirDocs)
- Registry engine: [Continental O-470 series](https://openairdocs.org/engine/continental-o-470-series) (registry code 17026, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: St.Croix River

## 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 19810625036889A](https://openairdocs.org/incident/19810625036889A), Jun 25, 1981: Cessna 180, Afton, MN, Substantial damage. Landed on rough water, floats were swamped. Seaplane flipped over. Strong gusty winds, perpendicular boat wakes.

## Other investigations on N4790B (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 MKC73FER39](https://openairdocs.org/ntsb/MKC73FER39), Feb 7, 1973: Cessna 180 (N4790B), St Paul, MN, substantial damage
- [NTSB MKC67D0024](https://openairdocs.org/ntsb/MKC67D0024), Jun 12, 1966: Cessna 180 (N4790B), Annandale, MN, 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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