# NTSB UNK64X2702: Mooney MK21, N1364W, Mansfield, MO, July 7, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 7, 1964
- Place: Mansfield, MO · MANSFIELD, MO
- Location: 37.1098° N, 92.5810° W: Placed by OpenAirDocs: center of Mansfield, MO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.1098&lon=-92.5810&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report October 12, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 182978
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X2702
- Page: https://openairdocs.org/ntsb/UNK64X2702

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1981   64/7/7    MANSFIELD MO        MOONEY MK21         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 36, 1400
        TIME - 1145                    N1364W              PX-  0  0  1  BUSINESS                  TOTAL HOURS, 1100 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - MANSFIELD
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE                                  IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           POWERPLANT - PROPELLER AND ACCESSORIES: BLADES
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           MISCELLANEOUS ACTS,CONDITIONS - PREVIOUS DAMAGE
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (OWNER PERSONNEL)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE INSPECTION OF AIRCRAFT (OWNER-PILOT)
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
```

## Aircraft

- Registration: [N1364W](https://openairdocs.org/aircraft/N1364W), registered now, S/N 2645 (OpenAirDocs)
- Reported make and model: MOONEY MK21
- 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: Mansfield

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.