# NTSB MKC67D0091: Mooney M20E, N1933Y, Chesterfield, MO, July 16, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 16, 1966
- Place: Chesterfield, MO · CHESTERFIELD, MO
- Location: 38.6631° N, 90.5771° W: Placed by OpenAirDocs: center of Chesterfield, MO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.6631&lon=-90.5771&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report January 10, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 121876
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC67D0091
- Page: https://openairdocs.org/ntsb/MKC67D0091

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3391  66/7/16    CHESTERFIELD MO     MOONEY M20E         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 37, 1025
        TIME - 1900                    N1933Y              PX-  0  0  0  PRACTICE                  TOTAL HOURS, 250 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - SPIRIT OF ST.LUIS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO EXTEND LANDING GEAR
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - CHECKLIST-FAILED TO USE
           AIRFRAME - LANDING GEAR: LANDING GEAR WARNING AND INDICATING COMPONENTS
        REMARKS- PILOT KNEW GEAR WARNING HORN WAS INOPERATIVE.
```

## Aircraft

- Registration: [N1933Y](https://openairdocs.org/deregistered/N1933Y-2013-06-13), registration cancelled 2013-06-13, S/N 240, built 1950 (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: Spirit Of St.Luis

## Other investigations on N1933Y (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 DEN71AD041](https://openairdocs.org/ntsb/DEN71AD041), May 10, 1971: Mooney M20E (N1933Y), Monument, CO, destroyed, 4 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.

---
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.