Individually Owned: 150,657
Corporate Owned: 137,281
Aircraft Accident/Incident Report
Chicago, Illinois
Wednesday, April 21, 2010 21:53 CDT
NTSB Narrative Summary Released at Completion of Accident
An operational error occurred when an Embraer regional jet departing from runway 9R conflicted with a Raytheon-Beech King Air conducting a navigational flight check of equipment associated with runway 32. Both airplanes were receiving air traffic control services and were operating in Class B airspace. The control position handling the two airplanes was being operated by a trainee controller and an instructor. The trainee issued an improper takeoff clearance and departure heading to the regional jet that caused it to conflict with the King Air. The instructor did not notice the error and failed to intervene to prevent the loss of separation.
NTSB Probable Cause Narrative
The air traffic controller's issuance of an improper takeoff clearance to the pilot of the Embraer. Contributing to the incident was the instructor’s inadequate monitoring of the trainee local controller.
Event Information
| Type of Event | Incident |
| Event Date | 4/21/2010 |
| Event Day of the Week | Wednesday |
| Time of Event | 2153 |
| Event Time Zone | Central Daylight Time |
| Event City | Chicago |
| Event State | ILLINOIS |
| Event Country | -- |
| Zipcode of the event site | -- |
| Event Date Year | 2010 |
| Event Date Month | 4 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | -- |
| Event Location Longitude | -- |
| Event Location Airport | -- |
| Event Location Nearest Airport ID | -- |
| Indicates whether the acc/inc occurred off or on an airport | -- |
| Distance from airport in statute miles | -- |
| Degrees magnetic from airport | -- |
| Airport Elevation | -- |
| Weather Briefing Completeness | -- |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 253 Coordinated Universal Time? Same as GMT |
| Direction of event from weather observation facility (degrees) | -- |
| Weather Observation Facility ID | KORD |
| Elevation of weather observation facility | 600 |
| Distance of event from weather observation facility (units?) | 0 |
| Time Zone of the weather observation | UTC |
| Lighting Conditions | Night |
| Lowest Ceiling Height | 9000 |
| Lowest Non-Ceiling Height | -- |
| Sky/Lowest/Cloud Conditions | -- |
| Sky Condition for Lowest Ceiling | Overcast |
| Visibility Runway Visual Range (Feet) | -- |
| Visibility Runway Visual Value (Statute Miles) | -- |
| Visibility (Statute Miles) | 10 |
| Air Temperature at event time (in degrees celsius) | 6 |
| Dew Point at event time (in degress fahrenheit) | 1 |
| Wind Direction (degrees magnetic) | -- |
| Variable Wind Indicator | -- |
| Wind Speed (knots) | -- |
| Wind Velocity Indicator | -- |
| Wind Gust Indicator | -- |
| Wind Gust (knots) | -- |
| Altimeter Setting at event time (in. Hg) | 29.87 |
| Density Altitude (feet) | -- |
| Intensity of Precipitation | -- |
| METAR weather report | -- |
| Event Highest Injury | -- |
| On Ground, Fatal Injuries | -- |
| On Ground, Minor Injuries | -- |
| On Ground, Serious Injuries | -- |
| Injury Total Fatal | -- |
| Injury Total Minor | -- |
| Injury Total None | -- |
| Injury Total Serious | -- |
| Injury Total All | -- |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 29191 |
| NTSB Notification Source | FAA / American Eagle Airlines |
| NTSB Notification Date | -- |
| NTSB Notification Time | -- |
| Fiche Number and/or location -used to find docket information | -- |
| Date of most recent change to record | Nov 30 2011 9:21AM |
| User who most recently changed record | duns |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
||
|---|---|---|
Aircraft #1 |
Aircraft #2 |
|
| Aircraft Registration Number | -- | -- |
| NTSB Number | OPS10IA155A | OPS10IA155B |
| Missing Aircraft Indicator | -- | -- |
| Federal Aviation Reg. Part | -- | -- |
| Type of Flight Plan filed | IFR | Unknown |
| Flight plan Was Activated? | -- | -- |
| Damage | None | None |
| Aircraft Fire | None | None |
| Aircraft Explosion | None | None |
| Aircraft Manufacturer's Full Name | EMBRAER | BEECH |
| Aircraft Model | EMB-135KL | 300 |
| Aircraft Series Identifier | -- | -- |
| Aircraft Serial Number | 145503 | FF-6 |
| Certified Max Gross Weight | -- | -- |
| Aircraft Category | Airplane | Airplane |
| Aircraft Registration Class | -- | -- |
| Aircraft is a homebuilt? | No | No |
| Flight Crew Seats | -- | -- |
| Cabin Crew Seats | -- | -- |
| Passenger Seats | -- | -- |
| Total number of seats on the aircraft | 37 | 19 |
| Number of Engines | 2 | 2 |
| Fixed gear or retractable gear | Fixed | Fixed |
| Aircraft, Type of Last Inspection | -- | -- |
| Date of Last Inspection | -- | -- |
| Airframe hours since last inspection | -- | -- |
| Airframe Hours | -- | -- |
| ELT Installed | Unknown | Unknown |
| ELT Activated | Unknown | Unknown |
| ELT Aided Location of Event Site | Unknown | Unknown |
| ELT Type | -- | -- |
| Aircraft Owner Name | -- | -- |
| Aircraft Owner Street Address | 4333 AMON CARTER BLVD # MD5494 | AVIATION SYSTEM STANDARDS AJW3400 |
| Aircraft Owner City | FORT WORTH | OKLAHOMA CITY |
| Aircraft Owner State | TX | OK |
| Aircraft Owner Country | USA | USA |
| Aircraft Owner Zipcode | 76155-2605 | 73169-6901 |
| Operator is an individual? | No | No |
| Operator Name | -- | -- |
| Operator Same as Owner? | No | No |
| Operator Is Doing Business As | -- | -- |
| Operator Address Same as Owner? | Yes | No |
| Operator Street Address | -- | -- |
| Operator City | -- | -- |
| Operator State | -- | -- |
| Operator Country | USA | USA |
| Operator Zip code | -- | -- |
| Operator Code | SIMA | MV1M |
| Owner has at least one certificate | Yes - certificate holder | None |
| Other Operator of large aircraft? | No | No |
| Certified for Part 133 or 137 Operation | -- | -- |
| Operator Certificate Number | SIMA586A | -- |
| Indicates whether an air carrier operation was scheduled or not | Scheduled | -- |
| Indicates Domestic or International Flight | Domestic | -- |
| Operator carrying Pax/Cargo/Mail | Passenger Only | -- |
| Type of Flying (Per_Bus / Primary) | -- | -- |
| Second Pilot on Board | Yes | Yes |
| Departure Point Same as Event | Yes | Yes |
| Departure Airport Code | -- | -- |
| Departure City | Chicago | Chicago |
| Departure State | IL | IL |
| Departure Country | USA | USA |
| Departure Time | -- | -- |
| Departure Time Zone | CDT | CDT |
| Destination Same as Local Flt | -- | crash at destination city |
| Destination Airport Code | KLIT | -- |
| Destination City | Little Rock | Chicago |
| Destination State | AR | IL |
| Destination Country | USA | USA |
| Specific Phase of Flight | -- | -- |
| Report sent to ICAO? | -- | -- |
| Evacuation occurred | -- | -- |
| Date of most recent change to record | Nov 28 2011 5:37PM | Nov 8 2011 3:12PM |
| User who most recently changed record | duns | duns |
| Since inspection or accident | -- | -- |
| Event Location Runway Number and Location | -- | -- |
| Runway Length | -- | -- |
| Runway Width | -- | -- |
| Sight Seeing flight | -- | -- |
| Air Medical Flight | -- | -- |
| Medical Flight | -- | -- |