# NTSB UNK64X1650: Cessna 172, N7856X, Helena, MT, May 7, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 7, 1964
- Place: Helena, MT · HELENA, MT
- Location: 46.5955° N, 112.0187° W: Placed by OpenAirDocs: center of Helena, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.5955&lon=-112.0187&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report September 17, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 184972
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X1650
- Page: https://openairdocs.org/ntsb/UNK64X1650

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1185   64/5/7    HELENA MONT         CESSNA 172          CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1930                    N7856X              PX-  0  0  0  DUAL                      AGE 32, 380 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            150 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            LANDING: FINAL APPROACH
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           MISCELLANEOUS ACTS,CONDITIONS - ENGINE LOADED UP
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
```

## Aircraft

- Registration: [N7856X](https://openairdocs.org/aircraft/N7856X), registered now, S/N 17248356, built 1961 (OpenAirDocs)
- Reported make and model: CESSNA 172
- Registry model: [Cessna 172B](https://openairdocs.org/model/cessna-172b) (registry code 2072406) (OpenAirDocs)
- Registry engine: [Continental 0-300 series](https://openairdocs.org/engine/continental-0-300-series) (registry code 17022, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: 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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