# NTSB SEA79DYP43: Cessna 150L, N11633, Yakima, WA, September 30, 1979

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 30, 1979
- Place: Yakima, WA · YAKIMA, WA
- Location: 46.5909° N, 120.5494° W: Placed by OpenAirDocs: center of Yakima, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.5909&lon=-120.5494&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 2, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 133351
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA79DYP43
- Page: https://openairdocs.org/ntsb/SEA79DYP43

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2445  79/9/30    YAKIMA,WA           CESSNA 150L         CR-  0  0  1  NONCOMMERCIAL             STUDENT, AGE 32, 23 TOTAL
        TIME - 1108                    N11633              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - YAKIMA AIR TERMIN
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          PASCO,WA                    RETURN                       YAKIMA,WA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           TURBULENCE                                               TAKEOFF: RUN
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
        PROBABLE CAUSE(S)
           MISCELLANEOUS - VORTEX TURBULENCE
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: SOFT SHOULDERS
        REMARKS- ARMY HEL MAKING TKOF & LNDG NEAR RWY.
```

## Aircraft

- Registration: [N11633](https://openairdocs.org/deregistered/N11633-1982-11-06), registration cancelled 1982-11-06, S/N 15075586 (OpenAirDocs)
- Reported make and model: CESSNA 150L
- Registry model: [Cessna 150L](https://openairdocs.org/model/cessna-150l) (registry code 2071826) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Yakima Air Termin

## 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 19790930028339A](https://openairdocs.org/incident/19790930028339A), Sep 30, 1979: Cessna 150L, Yakima, WA, Substantial damage. Student pilot lost directional control on takeoff.

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.

---
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.