# NTSB CHI68F0158: N.American SNJ-4, N173V, Frankfort, IL, June 25, 1967

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 25, 1967
- Place: Frankfort, IL · FRANKFORT, IL
- Location: 41.5090° N, 87.8710° W: Placed by OpenAirDocs: center of Frankfort, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.5090&lon=-87.8710&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 27, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 116252
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI68F0158
- Page: https://openairdocs.org/ntsb/CHI68F0158

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2152  67/6/25    FRANKFORT,ILL       N.AMERICAN SNJ-4    CR-  0  0  1  MISCELLANEOUS             AIRLINE TRANSPORT, AGE
        TIME - 1230                    N173V               PX-  0  0  0  AIR SHOW/RACING           36, 15795 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            339 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - FRANKFORT
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: BRAKING SYSTEM (NORMAL SYSTEM)
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        REMARKS- LEFT BRAKE FAILED TO HOLD. PLT GRND LOOPED ACFT TO RT TO AVOID SWERVING ACFT INTO SPECTATORS.
```

## Aircraft

- Registration: [N173V](https://openairdocs.org/deregistered/N173V-1972-05-04), registration cancelled 1972-05-04, S/N 88-13779 (OpenAirDocs)
- Reported make and model: N.AMERICAN SNJ-4
- Registry model: [North American SNJ-4](https://openairdocs.org/model/north-american-snj-4) (registry code 6400414) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Frankfort

## Other investigations on N173V (1)

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.

- [NTSB CHI70FBD36](https://openairdocs.org/ntsb/CHI70FBD36), May 23, 1970: N.American SNJ-4 (N173V), Addison, IL, destroyed

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.