# NTSB CHI67F0189: Beech D18S, N156NA, Janesville, WI, September 8, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 8, 1966
- Place: Janesville, WI · JANESVILLE, WI
- Location: 42.6828° N, 89.0187° W: Placed by OpenAirDocs: center of Janesville, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.6828&lon=-89.0187&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 4, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 121110
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI67F0189
- Page: https://openairdocs.org/ntsb/CHI67F0189

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2524   66/9/8    JANESVILLE WIS      BEECH D18S          CR-  0  0  1  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 0816                    N156NA              PX-  0  0  1  AIR TAXI-PASSG            34, 6361 TOTAL HOURS, 850
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - ROCK COUNTY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR RETRACTED                                           TAKEOFF: RUN
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: SWITCHES,LEVERS,CRANKING MECHANISM,ETC.
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER ALIGNMENT/ADJUSTMENT
           MISCELLANEOUS ACTS,CONDITIONS - GROUNDED
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        REMARKS- GEAR SAFETY SWITCH IMPROPERLY ADJUSTED, GEAR SELECTOR SWITCH SHORTED BY UNIDENTIFIED OBJECT.
```

## Aircraft

- Registration: [N156NA](https://openairdocs.org/deregistered/N156NA-2017-05-23), registration cancelled 2017-05-23, S/N A-138, built 1946 (OpenAirDocs)
- Reported make and model: BEECH D18S
- Registry model: [Beech D18S](https://openairdocs.org/model/beech-d18s) (registry code 1151004) (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: Rock County

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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