# NTSB CHI75AC060: Beech G18S, N188X, Oshkosh, WI, March 4, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 4, 1975
- Place: Oshkosh, WI · OSHKOSH, WI
- Location: 44.0232° N, 88.5623° W: Placed by OpenAirDocs: center of Oshkosh, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.0232&lon=-88.5623&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report April 11, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 148329
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI75AC060
- Page: https://openairdocs.org/ntsb/CHI75AC060

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0610   75/3/4    OSHKOSH,WI          BEECH G18S          CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0230                    N188X               PX-  0  0  0  COMMUTER AIR CARRIER      AGE 24, 2525 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0  AIR TAXI-CARGO S-D        540 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - WITTMAN FIELD
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          OSHKOSH,WI                  RETURN                       MADISON,WI
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           COLLIDED WITH: SNOWBANK                                  LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: ICE/SLUSH ON RUNWAY
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: SNOW WINDROWS
        REMARKS- MAIL FLIGHT.APP LTS MALSR.ENCTRD SNOW BANK ABT 14 IN DEEP ABT 9FT INBOARD FM L LINE OF RWY LTS.
```

## Aircraft

- Registration: [N188X](https://openairdocs.org/deregistered/N188X-2012-08-14), registration cancelled 2012-08-14, S/N BA-502, built 1960 (OpenAirDocs)
- Reported make and model: BEECH G18S
- Registry model: [Beech G18S](https://openairdocs.org/model/beech-g18s) (registry code 1151010) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Wittman Field

## 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 19750304006469A](https://openairdocs.org/incident/19750304006469A), Mar 4, 1975: Beech G18S, Oshkosh, WI, Substantial damage. Mail flight. App lts malsr. Enctrd snow bank abt 14 in deep abt 9FT inboard fm l line of rwy lts.

## Other investigations on N188X (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 CHI71FBQ08](https://openairdocs.org/ntsb/CHI71FBQ08), Aug 19, 1970: Beech G18S (N188X), Springfield, IL, substantial damage

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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