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B737 flight crew reported a runway incursion when they misunderstood an ATC clearance for an aircraft with a similar call sign.
| Attributes | |
| ACN | 1207676 |
| Time | |
| Date | 201410 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | MDW.Airport |
| State Reference | IL |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | B737-700 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Taxi |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | Taxi |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Person 2 | |
| Function | Pilot Not Flying First Officer |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Conflict Ground Conflict Less Severe Deviation - Procedural Clearance Ground Incursion Runway |
Narrative:
While #1 and holding short of mdw rwy 22L; we heard a takeoff clearance what we thought was our call sign and flight number. We accepted the clearance and read it back. As I turned on lights and began rolling onto the runway; I saw another aircraft on the other side of the runway taking the runway as well. In the darkness of night and the many lights effectively camouflaged the other aircraft. Neither my first officer or I had seen the other airplane and were not even aware of its presence until that moment. I immediately stopped the aircraft and asked tower who the take off clearance was for. Tower advised that it was for the lear jet which had similar sounding call sign and number and instructed us to hold short. We advised tower that we had crossed the hold short line. Tower instructed us to cross the runway; do a 180 turn and again hold short. We departed normally after the next arrival.
Original NASA ASRS Text
Title: B737 flight crew reported a runway incursion when they misunderstood an ATC clearance for an aircraft with a similar call sign.
Narrative: While #1 and holding short of MDW Rwy 22L; we heard a takeoff clearance what we thought was our call sign and flight number. We accepted the clearance and read it back. As I turned on lights and began rolling onto the runway; I saw another aircraft on the other side of the runway taking the runway as well. In the darkness of night and the many lights effectively camouflaged the other aircraft. Neither my First Officer or I had seen the other airplane and were not even aware of its presence until that moment. I immediately stopped the aircraft and asked tower who the take off clearance was for. Tower advised that it was for the Lear Jet which had similar sounding call sign and number and instructed us to hold short. We advised tower that we had crossed the Hold Short line. Tower instructed us to cross the runway; do a 180 turn and again hold short. We departed normally after the next arrival.
Data retrieved from NASA's ASRS site 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.