# NTSB DEN67A0062: Mooney M20D, N6629U, Erie, CO, April 8, 1967

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 8, 1967
- Place: Erie, CO · ERIE, CO
- Location: 40.0403° N, 105.0383° W: Placed by OpenAirDocs: center of Erie, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.0403&lon=-105.0383&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 1, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 117593
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN67A0062
- Page: https://openairdocs.org/ntsb/DEN67A0062

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1194   67/4/8    ERIE,COLO           MOONEY M20D         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 25, 185
        TIME - 1530                    N6629U              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 153 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       IN FLIGHT: ACROBATICS
        PROBABLE CAUSE(S)
           POWERPLANT - PROPELLER AND ACCESSORIES: HUBS
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: POOR/INADEQUATE DESIGN
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  SUSPECTED OR KNOWN AIRCRAFT DAMAGE
        REMARKS- PLT WAS PRACTICING A CHANDELLE MANEUVER WHEN PROP HUB FAILED.EXCESSIVE VIBRATION DMG ON LNDG.
```

## Aircraft

- Registration: [N6629U](https://openairdocs.org/aircraft/N6629U), registered now, S/N 124, built 1963 (OpenAirDocs)
- Reported make and model: MOONEY M20D
- Registry model: [Mooney M20D](https://openairdocs.org/model/mooney-m20d) (registry code 5870210) (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

## Other investigations on N6629U (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 UNK64X4046](https://openairdocs.org/ntsb/UNK64X4046), Sep 19, 1964: Mooney MK20D (N6629U), Osage Beach, MO, 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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