# NTSB SEA67A0068: Cessna 172, N6995A, Helmville, MT, May 27, 1967

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: May 27, 1967
- Place: Helmville, MT · HELMVILLE, MT
- Location: 46.8565° N, 112.9668° W: Placed by OpenAirDocs: center of Helmville, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.8565&lon=-112.9668&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report February 8, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 116951
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA67A0068
- Page: https://openairdocs.org/ntsb/SEA67A0068

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0915  67/5/27    HELMVILLE,MONT      CESSNA 172          CR-  1  0  0  NONCOMMERCIAL             COMMERCIAL, AGE 28, 257
        TIME - 0725                    N6995A              PX-  1  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 169 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED CLEARANCE
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - FLEW INTO BLIND CANYON
        REMARKS- PILOT FLEW INTO STEEP CANYON.
```

## Aircraft

- Registration: [N6995A](https://openairdocs.org/deregistered/N6995A-1967-08-07), registration cancelled 1967-08-07, S/N 29095 (OpenAirDocs)
- Reported make and model: CESSNA 172
- Registry model: [Cessna 172](https://openairdocs.org/model/cessna-172) (registry code 2072402) (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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