# NTSB SEA69A0035: Aero Comdr 500, N6281X, Glendive, MT, December 18, 1968

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: December 18, 1968
- Place: Glendive, MT · GLENDIVE, MT
- Location: 47.1065° N, 104.7109° W: Placed by OpenAirDocs: center of Glendive, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.1065&lon=-104.7109&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal, 4 serious, 2 minor
- Status: Completed, report December 2, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 191987
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA69A0035
- Page: https://openairdocs.org/ntsb/SEA69A0035

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4756  68/12/18   GLENDIVE,MONT       AERO COMDR 500      CR-  0  1  0  COMMERCIAL                COMMERCIAL, AGE 25, 3379
        TIME - 0718                    N6281X              PX-  1  3  2  COMMUTER AIR CARRIER      TOTAL HOURS, 302 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0  AIR TAXI-PASSG S-D        INSTRUMENT RATED.
        NAME OF AIRPORT - HILGER
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: RUN
           COLLIDED WITH: OBJECT                                    TAKEOFF: ABORTED
        PROBABLE CAUSE(S)
           POWERPLANT - IGNITION SYSTEM: LEADS
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY SECURED
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER ALIGNMENT/ADJUSTMENT
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           PILOT IN COMMAND - ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: SNOW ON RUNWAY
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 2 ENGINES
        REMARKS- PLT KNEW L MAG L ENG INOP.NR 4 CYL EXHAUST VALVE R ENG FAILED.2 IN SNOW ON RWY.ACFT RAN DOWN BANK.
```

## Aircraft

- Registration: [N6281X](https://openairdocs.org/deregistered/N6281X-1970-06-18), registration cancelled 1970-06-18, S/N 500B-1150-82 (OpenAirDocs)
- Reported make and model: AERO COMDR 500
- Registry model: [Aero Commander 500-B](https://openairdocs.org/model/aero-commander-500-b) (registry code 0141106) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Hilger

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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