# NTSB IAD76II093: Beech B99, N12AK, Owensboro, KY, August 13, 1976

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: August 13, 1976
- Place: Owensboro, KY · OWENSBORO, KY
- Location: 37.7572° N, 87.1174° W: Placed by OpenAirDocs: center of Owensboro, KY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.7572&lon=-87.1174&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 16 uninjured
- Status: Completed, report September 24, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 156101
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD76II093
- Page: https://openairdocs.org/ntsb/IAD76II093

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
5-0016  76/8/13    OWENSBORO,KY        BEECH B99           CR-  0  0  2  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 1430                    N12AK               PX-  0  0 14  COMMUTER AIR CARRIER      45, 15000 TOTAL HOURS,
                                       DAMAGE-NONE         OT-  0  0  0  AIR TAXI-PASSG S-D        1500 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - OWENSBORO DAVIS
        DEPARTURE POINT             INTENDED DESTINATION
          OWENSBORO,KY                LOUISVILLE,KY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           POWERPLANT - COMPRESSOR ASSEMBLY: BEARING,ROTOR SHAFT
           MISCELLANEOUS ACTS,CONDITIONS - LACK OF LUBRICATION-SPECIFIC PART,NOT SYSTEM
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
        REMARKS- NR 2 BEARING CAGE CLOGGED WITH CARBON LIKE MATERIAL.
```

## Aircraft

- Registration: N12AK (not matched to a registry record)
- Reported make and model: BEECH B99
- Category: Airplane
- Engines: turbo prop
- Damage: No damage
- Airport: Owensboro Davis

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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