# NTSB CHI68F0213: Waco ZGC-7, N17711, Rockford, IL, August 4, 1967

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 4, 1967
- Place: Rockford, IL · ROCKFORD, IL
- Location: 42.2711° N, 89.0940° W: Placed by OpenAirDocs: center of Rockford, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.2711&lon=-89.0940&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report October 23, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 115059
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI68F0213
- Page: https://openairdocs.org/ntsb/CHI68F0213

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2622   67/8/4    ROCKFORD, ILL       WACO ZGC-7          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 41, 900
        TIME - 1844                    N17711              PX-  0  0  2  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 11 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - GREATER ROCKFORD
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: BRAKING SYSTEM (NORMAL SYSTEM)
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- RIGHT BRAKE FAILED.
```

## Aircraft

- Registration: [N17711](https://openairdocs.org/aircraft/N17711), registered now, S/N 4555, built 1937 (OpenAirDocs)
- Reported make and model: WACO ZGC-7
- Registry model: [Waco ZGC-7](https://openairdocs.org/model/waco-zgc-7) (registry code 9600609) (OpenAirDocs)
- Registry engine: [Lycoming R680E series](https://openairdocs.org/engine/lycoming-r680e-series) (registry code 41545, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Greater Rockford

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.