# NTSB CHI86IA099: Douglas DC-10, N138AA, Chicago, IL, March 2, 1986

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Incident investigation · Final report
- Date: March 2, 1986, 13:10 local (19:10 UTC)
- Place: Chicago, IL
- Coordinates: 42.030639, -87.900398 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=42.0306&lon=-87.9004&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 106 uninjured
- Status: Completed, report April 25, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 13356
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI86IA099
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/13356/pdf
- Page: https://openairdocs.org/ntsb/CHI86IA099

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Miscellaneous/other, cruise - normal
  - incapacitation(loss of consciousness), flight engineer (cause)
  - self-induced pressure, flight engineer (cause)

## Analysis

THE FLIGHT ENGINEER BECAME INCAPACITATED WHILE ENROUTE FROM FRANKFORT, GERMANY TO CHICAGO, ILLINOIS. PARAMEDICS MET THE FLIGHT UPON ARRIVAL AT CHICAGO AND THE FLIGHT ENGINEER WAS TAKEN TO A NEARBY HOSPITAL. THE FLIGHT ENGINEER DIED TWO DAYS LATER WITHOUT EVER REGAINING CONSCIOUSNESS.

## Aircraft

- Registration: N138AA (not matched to a registry record)
- Reported make and model: DOUGLAS DC-10
- Category: Airplane
- Engines: GE CF-6 turbo fan
- Damage: No damage
- Flight: Part 121
- Registered owner: American Airlines
- Airworthiness certificate: Standard, Transport
- Departed: FRANKFORT
- Destination: ORD, CHICAGO, IL
- Flight plan: IFR
- Airport: ORD, O'Hare, runway 14L, 10,003 × 150 ft, concrete

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; airline transport; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: left

## Weather

- Conditions: Visual (VMC), Day
- Wind: 240° at 7 knots
- Visibility: 10 statute miles
- Lowest ceiling: 8,000 ft overcast
- Temperature: 39 °F, dew point 30 °F
- Altimeter: 29.00 inHg
- Observed at: ORD, 500 nm away

## 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 19860302019329I](https://openairdocs.org/incident/19860302019329I), Mar 2, 1986: Doug DC1030, Chicago, IL. Flight engineer became ill one hour before landing on international flight. Declared brain dead the next day.

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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