# NTSB CHI70IC067: Boeing 707, N7591A, Chicago, IL, March 28, 1970

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: March 28, 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: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 109 uninjured
- Status: Completed, report August 5, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 131197
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI70IC067
- Page: https://openairdocs.org/ntsb/CHI70IC067

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0025  70/3/28  NR.CHICAGO,ILL        BOEING 707          CR-  0  0  7  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1205                    N7591A              PX-  0  0102                            40, 12000 TOTAL HOURS,
                                       DAMAGE-NONE         OT-  0  0  0                            UNK/NR IN TYPE,
                                                                                                   INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        OPERATOR - AMERICAN AIRLINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          DETROIT,MICH                SAN FRANCISCO,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INCAPACITATION
        REMARKS- CAPT BECAME INCAPACITATED UN PERFORM DUTIES RESULT OF ACUTE CERVICAL STRAIN.FLT DIVERTED TO ORD.
```

## Aircraft

- Registration: [N7591A](https://openairdocs.org/deregistered/N7591A-1982-02-04), registration cancelled 1982-02-04, S/N 19341, built 1968 (OpenAirDocs)
- Reported make and model: BOEING 707
- Registry model: [Boeing 707-123B](https://openairdocs.org/model/boeing-707-123b) (registry code 138360H) (OpenAirDocs)
- Registry engine: [Pratt & Whitney JT3D-3&3B](https://openairdocs.org/engine/pratt-whitney-jt3d-3-3b) (registry code 52039, turbo-fan) (OpenAirDocs)
- Category: Airplane
- Engines: turbo jet
- Damage: No damage

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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