# NTSB DEN68F0237: Mooney M20C, N6406U, Broomfield, CO, April 2, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 2, 1968
- 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: 2 uninjured
- Status: Completed, report May 10, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 111103
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN68F0237
- Page: https://openairdocs.org/ntsb/DEN68F0237

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0729   68/4/2    BROOMFIELD,COLO     MOONEY M20C         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 27, 99 TOTAL
        TIME - 1121                    N6406U              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  HOURS, 12 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - JEFFERSON COUNTY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
           GEAR COLLAPSED                                           TAKEOFF: ABORTED
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- ELEVATOR TRIM ROLLED FULL DOWN INADVERTENTLY. ACFT WHEELBARROWED.
```

## Aircraft

- Registration: [N6406U](https://openairdocs.org/deregistered/N6406U-2013-04-29), registration cancelled 2013-04-29, S/N 2153, built 1962 (OpenAirDocs)
- Reported make and model: MOONEY M20C
- Registry model: [Mooney M20C](https://openairdocs.org/model/mooney-m20c) (registry code 5870208) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Jefferson County

## Other investigations on N6406U (1)

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.

- [NTSB LAX84FA484](https://openairdocs.org/ntsb/LAX84FA484), Sep 18, 1984: Mooney M20C (N6406U), Mariposa, CA, destroyed, 2 fatal

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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