# NTSB DEN76FTE28: Mooney M20E, N6973U, Broomfield, CO, September 23, 1975

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: September 23, 1975
- 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: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report November 25, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 151080
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN76FTE28
- Page: https://openairdocs.org/ntsb/DEN76FTE28

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3199  75/9/23    BROOMFIELD,CO       MOONEY M20E         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 30, 72 TOTAL
        TIME - 0700                    N6973U              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  HOURS, 27 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - JEFFERSON COUNTY
        DEPARTURE POINT             INTENDED DESTINATION
          BROOMFIELD,CO               GALLUP,NM
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - CHECKLIST-FAILED TO USE
           MISCELLANEOUS ACTS,CONDITIONS - INTERFERENCE WITH FLIGHT CONTROLS
           MISCELLANEOUS ACTS,CONDITIONS - JAMMED
        REMARKS- TAKEOFF ATTEMPTED WITH MAKESHIFT CONTROL LOCK,PLIERS,INSERTED IN AILERON CONTROL SYSTEM.
```

## Aircraft

- Registration: [N6973U](https://openairdocs.org/deregistered/N6973U-1976-05-25), registration cancelled 1976-05-25, S/N 333 (OpenAirDocs)
- Reported make and model: MOONEY M20E
- Registry model: [Mooney M20E](https://openairdocs.org/model/mooney-m20e) (registry code 5870212) (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 19750923034149A](https://openairdocs.org/incident/19750923034149A), Sep 23, 1975: Mooney M20E, Broomfield, CO, Substantial damage. Takeoff attempted with makeshift control lock,pliers,inserted in aileron control system.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.