# NTSB DEN80FA031: Cessna 441, N36941, Butte, MT, April 1, 1980

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: April 1, 1980
- Place: Butte, MT · BUTTE, MT
- Location: 46.0038° N, 112.5347° W: Placed by OpenAirDocs: center of Butte, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.0038&lon=-112.5347&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report February 9, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 131648
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN80FA031
- Page: https://openairdocs.org/ntsb/DEN80FA031

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3275   80/4/1  NR.BUTTE,MT           CESSNA 441          CR-  1  0  0  NONCOMMERCIAL             AIRLINE TRANSPORT, AGE
        TIME - 1842                    N36941              PX-  1  0  0  CORP/EXEC                 60, 13826 TOTAL HOURS, 68
                                       DAMAGE-DESTROYED    OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          FORSYTH,MT                  BUTTE,MT
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: MISSED APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IFR OPERATION
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - FOG
           WEATHER - SNOW
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        MISSING AIRCRAFT - LATER RECOVERED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                     UNKNOWN/NOT REPORTED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                     UNKNOWN/NOT REPORTED
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          UNKNOWN/NOT REPORTED                                     UNKNOWN/NOT REPORTED
        TYPE OF FLIGHT PLAN
          IFR
        REMARKS- ACCIDENT SITE 11M S ARPT; MISSED APP PROC TO WNW PROB CAUSE - IMP IFR OPNS FOR UNDETERMINED RSNS.
```

## Aircraft

- Registration: [N36941](https://openairdocs.org/deregistered/N36941-1982-09-30), registration cancelled 1982-09-30, S/N 4410018, built 1977 (OpenAirDocs)
- Reported make and model: CESSNA 441
- Registry model: [Cessna 441](https://openairdocs.org/model/cessna-441) (registry code 2076020) (OpenAirDocs)
- Category: Airplane
- Engines: turbo prop
- 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 19800401007959A](https://openairdocs.org/incident/19800401007959A), Apr 1, 1980: Cessna 441, Butte, MT, Destroyed, 1 fatal. Aircraft crashed during IFR approach in mountainous terrain. No cause determined.

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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