# NTSB CHI70AC077: Dehavilland DHC-6, N303GW, Chicago, IL, May 6, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 6, 1970
- Place: Chicago, IL · CHICAGO, IL
- Location: 41.8500° N, 87.6501° W: Placed by OpenAirDocs: center of Chicago, IL, within about 9 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.8500&lon=-87.6501&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 6 uninjured
- Status: Completed, report September 4, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 126427
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI70AC077
- Page: https://openairdocs.org/ntsb/CHI70AC077

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0851   70/5/6    CHICAGO,ILL         DEHAVILLAND DHC-6   CR-  0  0  2  COMMERCIAL                ATP,FLIGHT INSTR., AGE
        TIME - 1007                    N303GW              PX-  0  0  4  COMMUTER AIR CARRIER      25, 3082 TOTAL HOURS, 508
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0  AIR TAXI-PASSG S-D        IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - OHARE
        DEPARTURE POINT             INTENDED DESTINATION
          MANITOWOC,WIS               CHICAGO,ILL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           TURBULENCE                                               LANDING: LEVEL OFF/TOUCHDOWN
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           MISCELLANEOUS - VORTEX TURBULENCE
           PERSONNEL - TRAFFIC CONTROL PERSONNEL: INADEQUATE SPACING OF AIRCRAFT
        FACTOR(S)
           PILOT IN COMMAND - IMPROPER LEVEL OFF
        REMARKS- STOL ACFT CLRD BY TWR TO COMPLETE LDG BEFORE INTERSECTION OF RWY DUE DEPARTING TRAFFIC.
```

## Aircraft

- Registration: N303GW (not matched to a registry record)
- Reported make and model: DEHAVILLAND DHC-6
- Category: Airplane
- Engines: turbo prop
- Damage: Substantial damage
- Airport: Ohare

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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