# NTSB SEA78FA059: Beech B99, N8012R, Pullman, WA, August 24, 1978

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: August 24, 1978
- Place: Pullman, WA · PULLMAN, WA
- Location: 46.7331° N, 117.1683° W: Placed by OpenAirDocs: center of Pullman, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.7331&lon=-117.1683&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 5 uninjured
- Status: Completed, report April 5, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 139541
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA78FA059
- Page: https://openairdocs.org/ntsb/SEA78FA059

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4203  78/8/24    PULLMAN,WA          BEECH B99           CR-  0  0  2  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 0949                    N8012R              PX-  0  0  4  COMMUTER AIR CARRIER      31, 6200 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0  AIR TAXI-PASSG S-D        3200 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          PULLMAN,WA                  WALLA WALLA,WA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: CLIMB TO CRUISE
           MISCELLANEOUS                                            IN FLIGHT: CLIMB TO CRUISE
        PROBABLE CAUSE(S)
           POWERPLANT - TURBINE ASSEMBLY: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        REMARKS- REDUCTION GEAR,L ENG FAILED. TURBINE OVERSPEED,DISINTEGRATED & DMGD FUSELAGE. LND OK.
```

## Aircraft

- Registration: N8012R (not matched to a registry record)
- Reported make and model: BEECH B99
- Category: Airplane
- Engines: turbo prop
- Damage: Substantial damage

## 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 19780824043279A](https://openairdocs.org/incident/19780824043279A), Aug 24, 1978: Beech 99, Pullman, WA, Minor damage. Reduction gear, engine failed. Turbine overspeed, disintegrated and damaged fuselage. Landed ok.

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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