# NTSB SEA73FTA01: Robertson 180H, N3481Y, Wyola, MT, July 9, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 9, 1972
- Place: Wyola, MT · WYOLA, MT
- Location: 45.1153° N, 107.3738° W: Placed by OpenAirDocs: center of Wyola, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.1153&lon=-107.3738&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report March 14, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 167214
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA73FTA01
- Page: https://openairdocs.org/ntsb/SEA73FTA01

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3030   72/7/9    WYOLA,MONT          ROBERTSON 180H      CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 44, 1072
        TIME - 1500                    N3481Y              PX-  0  0  3  BUSINESS                  TOTAL HOURS, 971 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          WYOLA,MONT                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE,SPEED,AND ALTITUDE
           TERRAIN - ROUGH/UNEVEN
        FACTOR(S)
           WEATHER - DOWNDRAFT,UPDRAFTS
           WEATHER - HIGH TEMPERATURE
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          SCATTERED                                                UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      92
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- FLEW UPSLOPE ON LEE SIDE OF 5000FT MTN,UN CROSS OR TURN AROUND DUE TO LOW AIRSPEED.
```

## Aircraft

- Registration: [N3481Y](https://openairdocs.org/deregistered/N3481Y-2012-09-12), registration cancelled 2012-09-12, S/N 18051981, built 1968 (OpenAirDocs)
- Reported make and model: ROBERTSON 180H
- Registry model: [Cessna 180H](https://openairdocs.org/model/cessna-180h) (registry code 2072618) (OpenAirDocs)
- Registry engine: [Continental O-470 series](https://openairdocs.org/engine/continental-o-470-series) (registry code 17026, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N3481Y (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 DEN84FA155](https://openairdocs.org/ntsb/DEN84FA155), May 25, 1984: Cessna 180H (N3481Y), Broadus, MT, substantial damage, 1 fatal

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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