# NTSB CHI76FEE52: Aero Comdr 685, N57069, Chicago, IL, April 18, 1976

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: April 18, 1976
- 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: Minor injuries
- Injuries: 6 minor
- Status: Completed, report November 19, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 154229
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI76FEE52
- Page: https://openairdocs.org/ntsb/CHI76FEE52

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2685  76/4/18    CHICAGO,IL          AERO COMDR 685      CR-  0  0  1  NONCOMMERCIAL             ATP,FLIGHT INSTR., AGE
        TIME - 1850                    N57069              PX-  0  0  5  PLEASURE/PERSONAL TRANSP  49, 2703 TOTAL HOURS, 357
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - MIDWAY
        DEPARTURE POINT             INTENDED DESTINATION
          PINEHURST,NC                CHICAGO,IL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: FENCE,FENCEPOSTS                          LANDING: ROLL
        PROBABLE CAUSE(S)
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: SUBSTANDARD QUALITY CONTROL
           SYSTEMS - HYDRAULIC SYSTEM: RESERVOIR,LINES,FITTINGS
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           MISCELLANEOUS ACTS,CONDITIONS - HYDRAULIC FAILURE
        REMARKS- FATIGUE INITIATED BY POINTS OF INC DIA & INTERIOR DISTURBANCES IN TUBING. LOSS OF BRAKES & FLAPS.
```

## Aircraft

- Registration: N57069 (not matched to a registry record)
- Reported make and model: AERO COMDR 685
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Midway

## 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 19760418020229A](https://openairdocs.org/incident/19760418020229A), Apr 18, 1976: Rkwell 685, Chicago, IL, Substantial damage. Fatigue initiated by points of inc dia & interior disturbances in tubing. Loss of brakes & flaps.

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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