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B737-700 flight crew read back the takeoff clearance and started their takeoff roll from runway 31C at mdw; ATC directed an aircraft on final for runway 4R to go-around. Flight crew suspected the takeoff clearance may have been intended for an aircraft lined up and awaiting clearance for takeoff from runway 4R; thus precluding the use of the runway for the go-around aircraft.
| Attributes | |
| ACN | 1091647 |
| Time | |
| Date | 201306 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | MDW.Airport |
| State Reference | IL |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | B737-700 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Takeoff |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | Landing |
| Person 1 | |
| Function | First Officer |
| Experience | Flight Crew Last 90 Days 189 Flight Crew Type 189 |
| Person 2 | |
| Function | Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 185 |
| Events | |
| Anomaly | ATC Issue All Types Conflict Ground Conflict Less Severe Deviation - Procedural Clearance |
Narrative:
Mdw was busy like usual around this time. Traffic continually landing 4R. On pushback; we were asked if we wanted 31C. Said yes. We were cleared to lineup and wait 31C. We acknowledged and then lined up. Then we were cleared for takeoff. I read this back verbatim; 'heading 250 cleared for takeoff 31C company flight number.' but; I think ATC meant to clear holding traffic on 4R for takeoff instead. Anyway; an aircraft had to go-around on 4R shortly after we started our takeoff roll.
Original NASA ASRS Text
Title: B737-700 flight crew read back the takeoff clearance and started their takeoff roll from Runway 31C at MDW; ATC directed an aircraft on final for Runway 4R to go-around. Flight crew suspected the takeoff clearance may have been intended for an aircraft lined up and awaiting clearance for takeoff from Runway 4R; thus precluding the use of the runway for the go-around aircraft.
Narrative: MDW was busy like usual around this time. Traffic continually landing 4R. On pushback; we were asked if we wanted 31C. Said yes. We were cleared to lineup and wait 31C. We acknowledged and then lined up. Then we were cleared for takeoff. I read this back verbatim; 'Heading 250 cleared for takeoff 31C Company Flight Number.' But; I think ATC MEANT to clear holding traffic on 4R for takeoff instead. Anyway; an aircraft had to go-around on 4R shortly after we started our takeoff roll.
Data retrieved from NASA's ASRS site as of July 2013 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.