# NTSB CHI78IA056: Boeing 707, N746TW, Chicago, IL, August 6, 1978

- Type: NTSB incident investigation
- Classification: Incident · Serious injuries · Closed
- Date: August 6, 1978
- 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, 58 uninjured
- Status: Completed, report February 20, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 138960
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI78IA056
- Page: https://openairdocs.org/ntsb/CHI78IA056

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0024   78/8/6    CHICAGO,IL          BOEING 707          CR-  0  1  6  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 2100                    N746TW              PX-  0  0 52                            55, UNK/NR TOTAL HOURS,
                                       DAMAGE-NONE         OT-  0  0  0                            UNK/NR IN TYPE,
                                                                                                   INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - O'HARE
        OPERATOR - TRANS WORLD AIRLINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          CHICAGO,IL                  NEWARK,NJ
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            TAXI: TO TAKEOFF
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INCAPACITATION
           MISCELLANEOUS ACTS,CONDITIONS - PILOT SUFFERED HEART ATTACK
        REMARKS- MYOCARDIAL INFARCTION.
```

## Aircraft

- Registration: [N746TW](https://openairdocs.org/deregistered/N746TW-1982-06-28), registration cancelled 1982-06-28, S/N 18385 (OpenAirDocs)
- Reported make and model: BOEING 707
- Registry model: [Boeing 707-131B](https://openairdocs.org/model/boeing-707-131b) (registry code 138360P) (OpenAirDocs)
- Category: Airplane
- Engines: turbo fan
- Damage: No damage
- Airport: O'Hare

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Incident 19780806050259I](https://openairdocs.org/incident/19780806050259I), Aug 6, 1978: Boeing 707/, Chicago, IL. Pilot became ill while taxiing out, flight returned to gate.

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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