# NTSB SEA77FTI16: Cessna 150M, N45126, Helena, MT, July 27, 1977

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: July 27, 1977
- 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: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report September 1, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 146648
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA77FTI16
- Page: https://openairdocs.org/ntsb/SEA77FTI16

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1662  77/7/27    HELENA,MT           CESSNA 150M         CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 26, 92 TOTAL
        TIME - 2100                    N45126              PX-  1  0  0  PLEASURE/PERSONAL TRANSP  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          HELENA,MT                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: LOW PASS
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
           MISCELLANEOUS ACTS,CONDITIONS - UNWARRANTED LOW FLYING
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        REMARKS- DUSK.STRUCK UNMARKED PWR LINE OVER RIVER.
```

## Aircraft

- Registration: [N45126](https://openairdocs.org/deregistered/N45126-2012-07-24), registration cancelled 2012-07-24, S/N 15076743, built 1975 (OpenAirDocs)
- Reported make and model: CESSNA 150M
- Registry model: [Cessna 150M](https://openairdocs.org/model/cessna-150m) (registry code 2071830) (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

## 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 19770727021099A](https://openairdocs.org/incident/19770727021099A), Jul 27, 1977: Cessna 150M, Helena, MT, Substantial damage, 1 fatal. Dusk. Struck unmarked pwr line over river.

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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