# NTSB UNK64X1677: Cessna 182, N9230X, Northbrook, IL, May 9, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 9, 1964
- Place: Northbrook, IL · NORTHBROOK, IL
- Location: 42.1287° N, 87.8352° W: Placed by OpenAirDocs: center of Northbrook, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.1287&lon=-87.8352&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report September 21, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 183868
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X1677
- Page: https://openairdocs.org/ntsb/UNK64X1677

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1211   64/5/9    NORTHBROOK ILL      CESSNA 182          CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1040                    N9230X              PX-  0  0  0  DUAL                      AGE 34, 8000 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            1000 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - SKY HARBOR
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           TAKEOFF: RUN
           NOSE OVER/DOWN                                           TAKEOFF: RUN
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: NOSEWHEEL ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE INSPECTION OF AIRCRAFT (MAINTENANCE PERSONNEL)
        REMARKS- NOSE GEAR FORK FAILED IN RADIUS OF MILLED SECTION AT ATTACHMENT BOLT.
```

## Aircraft

- Registration: N9230X (not matched to a registry record)
- Reported make and model: CESSNA 182
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Sky Harbor

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.