# NTSB SEA74DTI16: Cessna 150, N4621X, Hamilton, MT, January 11, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 11, 1974
- Place: Hamilton, MT · HAMILTON, MT
- Location: 46.2526° N, 114.1601° W: Placed by OpenAirDocs: center of Hamilton, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.2526&lon=-114.1601&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report April 1, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 186930
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA74DTI16
- Page: https://openairdocs.org/ntsb/SEA74DTI16

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0361  74/1/11    HAMILTON,MONT       CESSNA 150          CR-  0  0  1  INSTRUCTIONAL             STUDENT, AGE 38, 13 TOTAL
        TIME - 1300                    N4621X              PX-  0  0  0  TRAINING                  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - HAMILTON
        DEPARTURE POINT             INTENDED DESTINATION
          HAMILTON,MONT               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: LEVEL OFF/TOUCHDOWN
           NOSE OVER/DOWN                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - FAILED TO INITIATE GO-AROUND
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - WHITEOUT
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: SNOW ON RUNWAY
        REMARKS- LOST SIGHT OF RWY DUE SNOW ON GRND.DRIFTED L OF RWY INTO DEEP SNOW.
```

## Aircraft

- Registration: [N4621X](https://openairdocs.org/aircraft/N4621X), registered now, S/N 15064671, built 1966 (OpenAirDocs)
- Reported make and model: CESSNA 150
- Registry model: [Cessna 150G](https://openairdocs.org/model/cessna-150g) (registry code 2071816) (OpenAirDocs)
- Registry engine: [Continental 0-200 series](https://openairdocs.org/engine/continental-0-200-series) (registry code 17020, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Hamilton

## 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 19740111001839A](https://openairdocs.org/incident/19740111001839A), Jan 11, 1974: Cessna 150G, Hamilton, MT, Substantial damage. Lost sight of rwy due snow on grnd. Drifted l of rwy into deep snow.

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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