# NTSB SEA74AS015: Aerostar M20F, N6805V, St Xavier, MT, September 11, 1973

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: September 11, 1973
- Place: St Xavier, MT · ST XAVIER, MT
- Location: 45.4570° N, 107.7250° W: Placed by OpenAirDocs: center of St. Xavier, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.4570&lon=-107.7250&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report October 16, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 188692
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA74AS015
- Page: https://openairdocs.org/ntsb/SEA74AS015

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2470  73/9/11    ST XAVIER,MONT      AEROSTAR M20F       CR-  1  0  0  NONCOMMERCIAL             COMMERCIAL, AGE 53, 6300
        TIME - 1330                    N6805V              PX-  1  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 300 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          CODY,WYO                   UNKNOWN/NOT REPORTED
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - FLEW INTO BLIND CANYON
           PILOT IN COMMAND - MISJUDGED DISTANCE,SPEED,AND ALTITUDE
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
           WEATHER - HIGH DENSITY ALTITUDE
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          SCATTERED                                                UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      79
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- DENS ALT 8600.
```

## Aircraft

- Registration: [N6805V](https://openairdocs.org/deregistered/N6805V-1973-10-25), registration cancelled 1973-10-25, S/N 700072 (OpenAirDocs)
- Reported make and model: AEROSTAR M20F
- Registry model: [Aerostar Acft Corp Of Texas M20F](https://openairdocs.org/model/aerostar-acft-corp-of-texas-m20f) (registry code 5870314) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## 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 19730911029729A](https://openairdocs.org/incident/19730911029729A), Sep 11, 1973: Mooney M20D, St Xavier, MT, Destroyed, 1 fatal. Dens alt 8600.

## Other investigations on N6805V (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 NYC72FGM01](https://openairdocs.org/ntsb/NYC72FGM01), Jul 2, 1971: Mooney M20F (N6805V), Warren, PA, substantial damage

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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