# NTSB DEN74FTE35: Cessna 172G, N7128G, Broomfield, CO, December 29, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 29, 1973
- Place: Broomfield, CO · BROOMFIELD, CO
- Location: 39.9205° N, 105.0867° W: Placed by OpenAirDocs: center of Broomfield, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.9205&lon=-105.0867&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report February 6, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 187546
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN74FTE35
- Page: https://openairdocs.org/ntsb/DEN74FTE35

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3827  73/12/29   BROOMFIELD,COLO     CESSNA 172G         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 40, 43 TOTAL
        TIME - 0745                    N7128G              PX-  0  0  3  PLEASURE/PERSONAL TRANSP  HOURS, 2 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - JEFFERSON COUNTY
        DEPARTURE POINT             INTENDED DESTINATION
          BROOMFIELD,COLO             DALLAS,TEX
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
           COLLIDED WITH: SNOWBANK                                  TAKEOFF: RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
        FACTOR(S)
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
```

## Aircraft

- Registration: [N7128G](https://openairdocs.org/aircraft/N7128G), registered now, S/N 17258828, built 1969 (OpenAirDocs)
- Reported make and model: CESSNA 172G
- Registry model: [Cessna 172K](https://openairdocs.org/model/cessna-172k) (registry code 2072430) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Jefferson County

## 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 19731229041249A](https://openairdocs.org/incident/19731229041249A), Dec 29, 1973: Cessna 172K, Broomfield, CO, 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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