# NTSB SEA79DYP19: Beech G-35, N191B, Mattawa, WA, May 11, 1979

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 11, 1979
- Place: Mattawa, WA · MATTAWA, WA
- Location: 46.7377° N, 119.9064° W: Placed by OpenAirDocs: center of Mattawa, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.7377&lon=-119.9064&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report June 29, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 135832
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA79DYP19
- Page: https://openairdocs.org/ntsb/SEA79DYP19

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1647  79/5/11    MATTAWA,WA          BEECH G-35          CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 43, 875
        TIME - 1500                    N191B               PX-  0  0  0  BUSINESS                  TOTAL HOURS, 300 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - PRIVATE STRIP
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          MATTAWA,WA                 UNKNOWN/NOT REPORTED         UNKNOWN/NOT REPORTED
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: SOFT RUNWAY
        REMARKS- LOOSE DIRT ON TKOF RUN FROM UNIMPROVED RAILROAD BED AIRSTRIP, AREA ADJACENT RECENTLY PLOWED.
```

## Aircraft

- Registration: [N191B](https://openairdocs.org/aircraft/N191B), registered now, S/N D-4517, built 1956 (OpenAirDocs)
- Reported make and model: BEECH G-35
- Registry model: [Beech G35](https://openairdocs.org/model/beech-g35) (registry code 1151516) (OpenAirDocs)
- Registry engine: [Continental E225 series](https://openairdocs.org/engine/continental-e225-series) (registry code 17015, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Private Strip

## 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 19790511009769A](https://openairdocs.org/incident/19790511009769A), May 11, 1979: Beech G35, Mattawa, WA, Substantial damage. Lost control on takeoff after striking soft sand on Private strip. Collapsed landing gear.

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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