# NTSB UNK64X3918: Cessna 140, N89049, Chicago, IL, September 11, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 11, 1964
- Place: Chicago, IL · CHICAGO, IL
- Location: 41.8500° N, 87.6501° W: Placed by OpenAirDocs: center of Chicago, IL, within about 9 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.8500&lon=-87.6501&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 9, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 182144
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X3918
- Page: https://openairdocs.org/ntsb/UNK64X3918

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2860  64/9/11    CHICAGO ILL         CESSNA 140          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 17, 70 TOTAL
        TIME - 1400                    N89049              PX-  0  0  0  PRACTICE                  HOURS, 7 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - MIDWAY
        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: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE INSPECTION OF AIRCRAFT (MAINTENANCE PERSONNEL)
        REMARKS- RIGHT GEAR STRUT FAILED AT WEDGES.
```

## Aircraft

- Registration: [N89049](https://openairdocs.org/deregistered/N89049-1970-06-29), registration cancelled 1970-06-29, S/N 8053 (OpenAirDocs)
- Reported make and model: CESSNA 140
- Registry model: [Cessna 140](https://openairdocs.org/model/cessna-140) (registry code 2071602) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Midway

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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