# NTSB IAD79FA032: N.American Navion, N8921H, Somerset, KY, February 22, 1979

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: February 22, 1979
- Place: Somerset, KY · SOMERSET, KY
- Location: 37.0865° N, 84.6054° W: Placed by OpenAirDocs: center of Somerset, KY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.0865&lon=-84.6054&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report July 30, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 137262
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD79FA032
- Page: https://openairdocs.org/ntsb/IAD79FA032

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1841  79/2/22    SOMERSET,KY         N.AMERICAN NAVION   CR-  1  0  0  MISCELLANEOUS             COMMERCIAL, AGE 59, 3896
        TIME - 1408                    N8921H              PX-  0  0  0  TEST                      TOTAL HOURS, 0 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - SOMERSET-PULASKI
        DEPARTURE POINT             INTENDED DESTINATION
          SOMERSET,KY                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: RUN
           STALL: MUSH                                              TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT
           PILOT IN COMMAND - FAILED TO ABORT TAKEOFF
        FACTOR(S)
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
           POWERPLANT - FUEL SYSTEM: PUMPS
           MISCELLANEOUS ACTS,CONDITIONS - LEAK/LEAKAGE
           POWERPLANT - IGNITION SYSTEM: MAGNETOS
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER ALIGNMENT/ADJUSTMENT
           TERRAIN - HIGH OBSTRUCTIONS
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        REMARKS- LKG BY ENG DRIVEN PUMP O RING,VAPOR IN LINE-MAG TIMING WRONG.PWR LOSS ALSO ON PREVIOUS ABORT.
```

## Aircraft

- Registration: [N8921H](https://openairdocs.org/deregistered/N8921H-1988-08-16), registration cancelled 1988-08-16, S/N NAV4921 (OpenAirDocs)
- Reported make and model: N.AMERICAN NAVION
- Registry model: [North American NAVION](https://openairdocs.org/model/north-american-navion) (registry code 6150130) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Somerset-Pulaski

## 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 19790222019469A](https://openairdocs.org/incident/19790222019469A), Feb 22, 1979: Tmpson NAVION/, Somerset, KY, Substantial damage. Made two aborted takeoffs due to engine missing,lifted off on third attempt,engine still missing,hit trees end rwy.

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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