# NTSB SEA79DYE50: Dehavilland Moth, N8722, Martha Lake, WA, August 25, 1979

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: August 25, 1979
- Place: Martha Lake, WA · MARTHA LAKE, WA
- Location: 47.8447° N, 122.2331° W: Placed by OpenAirDocs: center of Martha Lake, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.8447&lon=-122.2331&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 1 uninjured
- Status: Completed, report October 25, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 135291
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA79DYE50
- Page: https://openairdocs.org/ntsb/SEA79DYE50

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1992  79/8/25    MARTHA LAKE,WA      DEHAVILLAND MOTH    CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 52, 216
        TIME - 1155                    N8722               PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 104 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - MARTHA LAKE
        DEPARTURE POINT             INTENDED DESTINATION
          MARTHA LAKE,WA              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
```

## Aircraft

- Registration: [N8722](https://openairdocs.org/aircraft/N8722), registered now, S/N WLS-DHF-173, built 1929 (OpenAirDocs)
- Reported make and model: DEHAVILLAND MOTH
- Registry model: [Dehavilland TIGER MOTH DH 82A](https://openairdocs.org/model/dehavilland-tiger-moth-dh-82a) (registry code 2801002) (OpenAirDocs)
- Registry engine: [Dehav ENG GIPSY MAJOR](https://openairdocs.org/engine/dehav-eng-gipsy-major) (registry code 20004, 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 19790825026539A](https://openairdocs.org/incident/19790825026539A), Aug 25, 1979: Dhavxx DH82AROBRTSN, Martha Lake, WA, Substantial damage. Pilot claimed engine failure. No cause for failure found.

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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