# NTSB DEN78FA055: Cessna 340, N1381G, Riverton, WY, July 30, 1978

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: July 30, 1978
- Place: Riverton, WY · RIVERTON, WY
- Location: 43.0263° N, 108.3813° W: Placed by OpenAirDocs: center of Riverton, WY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.0263&lon=-108.3813&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 3 serious
- Status: Completed, report August 29, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 139512
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN78FA055
- Page: https://openairdocs.org/ntsb/DEN78FA055

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4419  78/7/30    RIVERTON,WY         CESSNA 340          CR-  0  1  0  COMMERCIAL                COMMERCIAL, AGE 36, 2997
        TIME - 1000                    N1381G              PX-  0  2  0  AIR TAXI-PASSG            TOTAL HOURS, 345 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - RIVERTON MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          RIVERTON,WY                 EVANSTON,WY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
           MISCELLANEOUS - EVASIVE MANEUVER TO AVOID COLLISION
        FACTOR(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           POWERPLANT - FUEL SYSTEM: FUEL INJECTION SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - EXCESSIVE PRESSURE
           MISCELLANEOUS ACTS,CONDITIONS - INTENTIONAL WHEELS-UP
           WEATHER - HIGH DENSITY ALTITUDE
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 2 ENGINES
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          NONE                                                     VFR
        TYPE OF FLIGHT PLAN
          VFR
         FIRE AFTER IMPACT
        REMARKS- REVERSED COURSE IMMEDIATELY AFTR TKOF.
```

## Aircraft

- Registration: [N1381G](https://openairdocs.org/deregistered/N1381G-1983-11-23), registration cancelled 1983-11-23, S/N 340A0080 (OpenAirDocs)
- Reported make and model: CESSNA 340
- Registry model: [Cessna 340A](https://openairdocs.org/model/cessna-340a) (registry code 2076405) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Riverton Muni

## 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 19780730043089A](https://openairdocs.org/incident/19780730043089A), Jul 30, 1978: Cessna 340CESSNA, WY, Destroyed. No narrative.

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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