- Date
- July 9, 1989, 15:30 local (20:30 UTC)
- Place
- Chicago, IL
- Injuries
- 84 uninjured
- Damage
- No damage
- Phase of flight
- Enroute
- Aircraft
- N939MLMcdonnell Douglas DC-9-32
- Weather
- Visual (VMC) · Day
- Status
- Completed · report August 26, 1992
- Report
- Approved by Office Director
- Case key
- 14286
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the incident.
On this page
Probable cause
Poor lookout by the crew of the DC-9 and the Cessna pilot.
Sequence of events
NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.
Near collision between aircraft
Visual lookout - poorCause
Visual lookout - poorCause
Visual lookout - poorCause
Aircraft
- Registration
- N939ML
- Reported as
- Mcdonnell Douglas DC-9-32
- Category
- Airplane
- Serial number
- 45710
- Engine
- P&W JT8D, 16,000 horsepower, turbo fan
- Damage
- No damage
- Flight
- Part 121
- Registered owner
- Midway Airlines .
- Airworthiness certificate
- Standard, Transport
- Departed
- DCA · Washington, DC
- Flight plan
- IFR
N939MLRegistration cancelled Dec 21, 1990 · Mcdonnell Douglas DC-9-32Airframe modelMcdonnell Douglas DC-9-32
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Certificates
- Flight instructor, Airline transport
- Airplane ratings
- Multi-engine land, Single-engine land
- Instrument ratings
- Airplane
- Medical
- Valid Medical--no waivers/lim.
- Seat
- Left
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 220° at 10 knots
- Visibility
- 4 statute miles
- Lowest ceiling
- 25,000 ft broken
- Temperature
- 95 °F, dew point 70 °F
- Altimeter
- 29.00 inHg
- Observed at
- ORD, 40 nm away