# NTSB CHI80FEE23: Boeing A75N1, N4997V, Marengo, IL, May 4, 1980

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 4, 1980
- Place: Marengo, IL · MARENGO, IL
- Location: 42.2465° N, 88.5975° W: Placed by OpenAirDocs: center of Marengo, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.2465&lon=-88.5975&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 1, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 130743
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI80FEE23
- Page: https://openairdocs.org/ntsb/CHI80FEE23

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1039   80/5/4    MARENGO,IL          BOEING A75N1        CR-  0  0  1  NONCOMMERCIAL             AIRLINE TRANSPORT, AGE
        TIME - 1520                    N4997V              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  56, 21540 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            146 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - WALPOLE
        DEPARTURE POINT             INTENDED DESTINATION
          FT.ATKINSON,WI              MARENGO,IL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           COLLIDED WITH: FENCE,FENCEPOSTS                          LANDING: ROLL
        PROBABLE CAUSE(S)
           MISCELLANEOUS - UNDETERMINED
        REMARKS- PLT RPRTD-ACFT VEERED RGT DRG BRAKING.L BRAKE REMOVED BFR INVESTIGATOR ARRIVED.
```

## Aircraft

- Registration: [N4997V](https://openairdocs.org/aircraft/N4997V), registered now, S/N 75-3423, built 1942 (OpenAirDocs)
- Reported make and model: BOEING A75N1
- Registry model: [Boeing A75N1(PT17)](https://openairdocs.org/model/boeing-a75n1-pt17) (registry code 1380134) (OpenAirDocs)
- Registry engine: [Continental W670 series](https://openairdocs.org/engine/continental-w670-series) (registry code 17018, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Walpole

## 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 19800504012689A](https://openairdocs.org/incident/19800504012689A), May 4, 1980: Boeing A75N1, Marengo, IL, Substantial damage. Reported left brake failed on landing. Hit right brake. Veered off runway into a fence. Fluid on left brake.

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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