# NTSB MKC80FCQ14: Bucker Jung BU131, N80424, Colwich, KS, May 4, 1980

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: May 4, 1980
- Place: Colwich, KS · COLWICH, KS
- Location: 37.7818° N, 97.5363° W: Placed by OpenAirDocs: center of Colwich, KS, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.7818&lon=-97.5363&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report June 17, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 130835
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC80FCQ14
- Page: https://openairdocs.org/ntsb/MKC80FCQ14

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1205   80/5/4    COLWICH,KS          BUCKER JUNG BU131   CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 22, 170
        TIME - 1750                    N80424              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 13 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          VALLEY CENTER,KS            LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       IN FLIGHT: NORMAL CRUISE
           ENGINE TEARAWAY                                          IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           POWERPLANT - PROPELLER AND ACCESSORIES: BLADES
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  SUSPECTED OR KNOWN AIRCRAFT DAMAGE
                                  PITCH CONTROL PROBLEM
        REMARKS- PROP,EN4 ST-21,BLADE FAILED.CORROSION DISCOLORATION PRESENT AT FRACTURE LOCATION.
```

## Aircraft

- Registration: [N80424](https://openairdocs.org/aircraft/N80424), registered now, S/N E3B-447, built 1954 (OpenAirDocs)
- Reported make and model: BUCKER JUNG BU131
- Registry model: [Bucker Jungmann C.A.S.A. 1.131](https://openairdocs.org/model/bucker-jungmann-c-a-s-a-1-131) (registry code 1590114) (OpenAirDocs)
- Registry engine: [Lycoming 0-360-A1D](https://openairdocs.org/engine/lycoming-0-360-a1d) (registry code 41504, reciprocating) (OpenAirDocs)
- Category: Airplane, amateur-built
- Engines: reciprocating
- Damage: Substantial damage

## 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 19800504011279A](https://openairdocs.org/incident/19800504011279A), May 4, 1980: Buker JUNGMAN, Colwich, KS, Substantial damage. Engine propeller blade came off in flight. Caused forced landing and damage to aircraft.

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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