- Date
- June 4, 1993, 18:40 local (23:40 UTC)
- Place
- Chicago, IL
- Injuries
- 1 serious, 67 uninjured
- Damage
- No damage
- Phase of flight
- Enroute
- Aircraft
- N345ATAerospatiale ATR-72-212
- Weather
- Visual (VMC) · Day
- Status
- Completed · report November 19, 1993
- Report
- Approved by Office Director
- FAA report
- 19930604032539I
- Case key
- 15726
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Probable cause
The pilot in command's improper in-flight planning/decision.
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.
Analysis
Approximately five minutes and ten miles southeast of o'hare international airport, American eagle flight 4126 encountered 'severe vertical turbulence during climb.' A flight attendant sustained a fractured ankle during a fall. The flight departing Chicago o'hare en route to champaign, Illinois was aborted, and the captain made an uneventful landing at o'hare airport. The aircraft was undamaged.
Aircraft
- Registration
- N345AT
- Reported as
- Aerospatiale ATR-72-212 (ATR 72-212)
- Category
- Airplane
- Serial number
- N345AT
- Engine
- P&W, turbo prop
- Damage
- No damage
- Flight
- Part 121
- Operator
- Simmons Airlines, doing business as American Eagle
- Registered owner
- Simmons Airlines
- Airworthiness certificate
- Standard, Transport
- Last inspection
- Unknown · January 2, 2000
- Destination
- CMI · Champaign, IL
- Flight plan
- IFR
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 46
- Certificate
- Airline transport
- Airplane ratings
- Multi-engine land
- Instrument ratings
- Airplane
- Medical
- Class 1, Valid Medical--no waivers/lim.
- Seat
- Left
- Flight hours
- 8,160 total · 774 in this make and model
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 20° at 13 knots, gusting 23
- Visibility
- 9 statute miles
- Lowest ceiling
- 1,800 ft overcast
- Temperature
- 46 °F, dew point 46 °F
- Altimeter
- 29.00 inHg
- Observed at
- ORD, 10 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.