# NTSB ANC81DA034: Cessna 180, N4569B, Skwentna, AK, March 21, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 21, 1981
- 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: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report April 15, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 126901
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC81DA034
- Page: https://openairdocs.org/ntsb/ANC81DA034

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0417  81/3/21    SKWENTNA,AK         CESSNA 180          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 37, 378
        TIME - 1015                    N4569B              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 154 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - SKWENTNA
        DEPARTURE POINT             INTENDED DESTINATION
          WILLOW,AK                   SKWENTNA,AK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: SNOW ON RUNWAY
        REMARKS- MAIN GEAR BROKE THRU SNOW CRUST ON UNATNDD ARPT.
```

## Aircraft

- Registration: [N4569B](https://openairdocs.org/deregistered/N4569B-2008-01-02), registration cancelled 2008-01-02, S/N 31468, 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: Skwentna

## 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 19810321011929A](https://openairdocs.org/incident/19810321011929A), Mar 21, 1981: Cessna 180, Skwentna, AK, Substantial damage. Landed on snow covered runway. Wheels broke through snow crust. Airplane nosed over.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.