# NTSB SEA70FDG04: Mooney M20D, N6715N, Great Falls, MT, May 22, 1970

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: May 22, 1970
- Place: Great Falls, MT · GREAT FALLS, MT
- Location: 47.5025° N, 111.3000° W: Placed by OpenAirDocs: center of Great Falls, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.5025&lon=-111.3000&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report March 5, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 181896
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA70FDG04
- Page: https://openairdocs.org/ntsb/SEA70FDG04

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2223  70/5/22    GREAT FALLS,MONT    MOONEY M20D         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 37, 187
        TIME - 1445                    N6715N              PX-  0  0  0  BUSINESS                  TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - GREAT FALLS INTL
        DEPARTURE POINT             INTENDED DESTINATION
          HAVRE,MONT                  GREAT FALLS,MONT
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            LANDING: TRAFFIC PATTERN-CIRCLING
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
           PILOT IN COMMAND - MISMANAGEMENT OF FUEL
           MISCELLANEOUS ACTS,CONDITIONS - INATTENTIVE TO FUEL SUPPLY
           MISCELLANEOUS ACTS,CONDITIONS - FUEL STARVATION
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- APRX 6-7GAL FUEL L TANK,R EMPTY.FUEL SELECTOR R TANK.PLT SAID DID NOT SWITCH TKS DUE TO LOW ALT.
```

## Aircraft

- Registration: [N6715N](https://openairdocs.org/aircraft/N6715N), registered now, S/N 680047, built 1968 (OpenAirDocs)
- Reported make and model: MOONEY M20D
- Registry model: [Mooney M20C](https://openairdocs.org/model/mooney-m20c) (registry code 5870208) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Great Falls Intl

## Other investigations on N6715N (1)

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.

- [NTSB LAX96LA268](https://openairdocs.org/ntsb/LAX96LA268), Jul 8, 1996: Mooney M20C (N6715N), Payson, AZ, substantial damage. Probable cause: animals on the runway. A factor was the dark night.

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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