# NTSB CHI71DEE01: Beech A23-19, N7643R, Joliet, IL, July 3, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 3, 1971
- Place: Joliet, IL · JOLIET, IL
- Location: 41.5250° N, 88.0817° W: Placed by OpenAirDocs: center of Joliet, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.5250&lon=-88.0817&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report March 7, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 162414
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI71DEE01
- Page: https://openairdocs.org/ntsb/CHI71DEE01

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2664   71/7/3    JOLIET,ILL          BEECH A23-19        CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1610                    N7643R              PX-  0  0  0  DUAL                      AGE 27, 791 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            392 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - JOLIET MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          JOLIET,ILL                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: MAIN GEAR-SHOCK ABSORBING ASSY,STRUTS,ATTACHMENTS,ETC.
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - PREVIOUS DAMAGE
        REMARKS- R GR CASTING SEPARATED ABOUT 2 1/2 INCHES BELOW MOUNTING THRU BOLT. ACFT HAD EARLIER HARD LDG.
```

## Aircraft

- Registration: [N7643R](https://openairdocs.org/deregistered/N7643R-2013-08-20), registration cancelled 2013-08-20, S/N MB-435, built 1969 (OpenAirDocs)
- Reported make and model: BEECH A23-19
- Registry model: [Beech 19A](https://openairdocs.org/model/beech-19a) (registry code 1151214) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Joliet Muni

## Other investigations on N7643R (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 FTW03LA191](https://openairdocs.org/ntsb/FTW03LA191), Aug 2, 2003: Beech 19A (N7643R), Fredericksburg, TX, substantial damage. Probable cause: A partial loss of engine power due to a rich mixture and reduced airflow to the engine. Contributing factors were the owner's failure to obtain an annual inspection, and improper maintenance…

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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