# NTSB SEA80FYE42: Beech A36TC, N66811, Seattle, WA, July 21, 1980

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: July 21, 1980
- Place: Seattle, WA · SEATTLE, WA
- Location: 47.6062° N, 122.3321° W: Placed by OpenAirDocs: center of Seattle, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.6062&lon=-122.3321&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report January 14, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 136491
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA80FYE42
- Page: https://openairdocs.org/ntsb/SEA80FYE42

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3169  80/7/21    SEATTLE,WA          BEECH A36TC         CR-  0  1  0  MISCELLANEOUS             COMMERCIAL, FL.INSTR.,
        TIME - 1102                    N66811              PX-  0  0  0  TEST                      AGE 59, 24750 TOTAL
                                       DAMAGE-DESTROYED    OT-  0  0  0                            HOURS, 250 IN TYPE,
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - BOEING
        DEPARTURE POINT             INTENDED DESTINATION
          SEATTLE,WA                  EVERETT,WA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           STALL: MUSH                                              LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        REMARKS- MIXTURE & BOOST PUMP IMPROPERLY SET.SPARK PLUGS SOOTED.
```

## Aircraft

- Registration: [N66811](https://openairdocs.org/deregistered/N66811-2014-11-05), registration cancelled 2014-11-05, S/N EA-42, built 1979 (OpenAirDocs)
- Reported make and model: BEECH A36TC
- Registry model: [Beech A36TC](https://openairdocs.org/model/beech-a36tc) (registry code 1151603) (OpenAirDocs)
- Registry engine: [Continental TSIO-520 series](https://openairdocs.org/engine/continental-tsio-520-series) (registry code 17040, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Boeing

## 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 19800721067269A](https://openairdocs.org/incident/19800721067269A), Jul 21, 1980: Beech A36TC, Seattle, WA, Destroyed. Engine lost power on takeoff. Pilot banked airplane to land on airport. Stalled. Mixture & boose set incorrectly.

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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