# NTSB CHI69A0103: Boeing 727, N854TW, Chicago, IL, June 25, 1969

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: June 25, 1969
- 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: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 66 uninjured
- Status: Completed, report August 27, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 186298
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI69A0103
- Page: https://openairdocs.org/ntsb/CHI69A0103

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0014  69/6/25    CHICAGO,ILL         BOEING 727          CR-  0  0  6  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1925                    N854TW              PX-  0  1 60                            38, 6058 TOTAL HOURS, 803
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - OHARE
        OPERATOR - TRANS WORLD AIRLINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          PHILADELPHIA,PA             LOS ANGELES,CALIF            LAS VEGAS,NEV
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAXI: TO TAKEOFF
           GEAR COLLAPSED                                           TAXI: TO TAKEOFF
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED SPEED
        FACTOR(S)
           PERSONNEL - TRAFFIC CONTROL PERSONNEL: OTHER
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: WET RUNWAY
           MISCELLANEOUS ACTS,CONDITIONS - HYDROPLANING ON WET RUNWAY
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- EXCESSIVE SPEED PRODUCED HYDRODYNAMIC PRESSURE BETWEEN TIRES/RNWY.PLT ADVISED TO EXPEDITE UP RNWY.
```

## Aircraft

- Registration: [N854TW](https://openairdocs.org/deregistered/N854TW-1998-03-25), registration cancelled 1998-03-25, S/N 18573 (OpenAirDocs)
- Reported make and model: BOEING 727
- Registry model: [Boeing 727-31](https://openairdocs.org/model/boeing-727-31) (registry code 1384010) (OpenAirDocs)
- Category: Airplane
- Engines: turbo jet
- 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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