# NTSB SEA77FYE28: Cessna 180, N7521K, Alderwood Mnr, WA, June 23, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 23, 1977
- Place: Alderwood Mnr, WA · ALDERWOOD MNR, WA
- Location: 47.8146° N, 122.2672° W: Placed by OpenAirDocs: center of Alderwood Manor, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.8146&lon=-122.2672&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 1, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 147148
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA77FYE28
- Page: https://openairdocs.org/ntsb/SEA77FYE28

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1688  77/6/23    ALDERWOOD MNR,WA    CESSNA 180          CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 55, 5000
        TIME - 1900                    N7521K              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - MARTHA LAKE
        DEPARTURE POINT             INTENDED DESTINATION
          ALDERWOOD MNR,WA            LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           NOSE OVER/DOWN                                           TAKEOFF: RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PERSONNEL - MISCELLANEOUS-PERSONNEL: DRIVER OF VEHICLE
        FACTOR(S)
           TERRAIN - ROUGH/UNEVEN
        REMARKS- FLOAT EQUIPPED.ATMTD LAUNCH FM TOWED TRAILER.FLOAT TIED DOWN.TOWED INTO PASTURE,ACFT FELL OFF.
```

## Aircraft

- Registration: [N7521K](https://openairdocs.org/aircraft/N7521K), registered now, S/N 18052660, built 1976 (OpenAirDocs)
- Reported make and model: CESSNA 180
- Registry model: [Cessna 180J](https://openairdocs.org/model/cessna-180j) (registry code 2072622) (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: Martha Lake

## 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 19770623017219A](https://openairdocs.org/incident/19770623017219A), Jun 23, 1977: Cessna 180J, Alderwood Mnr, WA, Substantial damage. Float equipped. Atmtd launch fm towed trailer. Float tied down. Towed into pasture,acft fell off.

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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