# NTSB CHI75FER07: Beech A23, N4769J, Baldwin, WI, June 7, 1975

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: June 7, 1975
- Place: Baldwin, WI · BALDWIN, WI
- Location: 44.9541° N, 92.3718° W: Placed by OpenAirDocs: center of Baldwin, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.9541&lon=-92.3718&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 minor
- Status: Completed, report August 20, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 149174
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI75FER07
- Page: https://openairdocs.org/ntsb/CHI75FER07

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2061   75/6/7    BALDWIN,WI          BEECH A23           CR-  0  1  1  INSTRUCTIONAL             COMMERCIAL, AGE 69, 6918
        TIME - 1740                    N4769J              PX-  0  0  0  DUAL                      TOTAL HOURS, 8 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - BALDWIN
        DEPARTURE POINT             INTENDED DESTINATION
          BALDWIN,WI                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           SYSTEMS - FLIGHT CONTROL SYSTEMS: AILERON AND AILERON TAB CONTROL SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - CORRODED/CORROSION
           MISCELLANEOUS ACTS,CONDITIONS - BINDING
           MISCELLANEOUS ACTS,CONDITIONS - DISCONNECTED
        REMARKS- L AIL PUSH ROD END SEPARATED. ROD END FROZEN ON BALL INSERT DUE RUST & CORROSION. P/N AHM-4
```

## Aircraft

- Registration: [N4769J](https://openairdocs.org/deregistered/N4769J-1975-08-27), registration cancelled 1975-08-27, S/N MB-205, built 1967 (OpenAirDocs)
- Reported make and model: BEECH A23
- Registry model: [Beech A23-19](https://openairdocs.org/model/beech-a23-19) (registry code 1151212) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Baldwin

## 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 19750607020529A](https://openairdocs.org/incident/19750607020529A), Jun 7, 1975: Beech A2319, Baldwin, WI, Destroyed. L ail push rod end separated. Rod end frozen on ball insert due rust & corrosion. P/n AHM-4

## Other investigations on N4769J (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 MKC69D0273](https://openairdocs.org/ntsb/MKC69D0273), Nov 14, 1968: Beech A23-19 (N4769J), Lake Elmo, MN, 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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