# NTSB CHI78FEE43: Aerostar 601P, N711NW, West Chicago, IL, June 5, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 5, 1978
- Place: West Chicago, IL · WEST CHICAGO, IL
- Location: 41.8953° N, 88.2205° W: Placed by OpenAirDocs: center of West Chicago, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.8953&lon=-88.2205&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 12, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 140378
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI78FEE43
- Page: https://openairdocs.org/ntsb/CHI78FEE43-140378

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3999   78/6/5    WEST CHICAGO,IL     AEROSTAR 601P       CR-  0  0  2  INSTRUCTIONAL             ATP,FLIGHT INSTR., AGE
        TIME - 1232                    N711NW              PX-  0  0  0  DUAL                      26, 2479 TOTAL HOURS, 139
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - DU PAGE COUNTY
        DEPARTURE POINT             INTENDED DESTINATION
          WEST CHICAGO,IL             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           AIRFRAME - LANDING GEAR: MAIN GEAR-SHOCK ABSORBING ASSY,STRUTS,ATTACHMENTS,ETC.
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- RT LANDING GEAR SICISSORS LUG LINK P/N 400076-501. LEFT GEAR COLLASPED DUE TO OVERLOAD.
```

## Aircraft

- Registration: N711NW (not matched to a registry record)
- Reported make and model: AEROSTAR 601P
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Du Page County

## 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 19780605032819A](https://openairdocs.org/incident/19780605032819A), Jun 5, 1978: Piper 601SMITH, West Chicago, IL, Substantial damage. Rt landing gear sicissors lug link p/n 400076-501. Left gear colld due to overload.

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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