# NTSB CHI73AC100: Douglas DC-9, N8906E, Chicago, IL, June 14, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 14, 1972
- 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: 22 uninjured
- Status: Completed, report March 20, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 166760
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI73AC100
- Page: https://openairdocs.org/ntsb/CHI73AC100

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0034  72/6/14    CHICAGO,ILL         DOUGLAS DC-9        CR-  0  0  4  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 0941                    N8906E              PX-  0  0 18                            UNK/NR, 12565 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 1310 IN TYPE,
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - MIDWAY
        OPERATOR - SOUTHERN AIRWAYS,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          MEMPHIS,TENN                CHICAGO,ILL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SPONTANEOUS-IMPROPER ACTION
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        REMARKS- PLT INADVERTENTLY MANUALLY DEPLOYED SPOILERS DURING LEVEL OFF.
```

## Aircraft

- Registration: [N8906E](https://openairdocs.org/deregistered/N8906E-1998-11-16), registration cancelled 1998-11-16, S/N 45747 (OpenAirDocs)
- Reported make and model: DOUGLAS DC-9
- Registry model: [Douglas DC-9-14](https://openairdocs.org/model/douglas-dc-9-14) (registry code 3022034) (OpenAirDocs)
- Category: Airplane
- Engines: turbo fan
- Damage: Substantial damage
- Airport: Midway

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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