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Despite multiple opportunities to redress the similar call sign problem a B737 took off with ATC still under the impression their call sign was X6XX rather than X5XX.
| Attributes | |
| ACN | 1114769 |
| Time | |
| Date | 201309 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | B737 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Taxi |
| Flight Plan | IFR |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Other Hearback/Readback. Similar call signs |
Narrative:
We were X5XX to ZZZ and squawking our correct transponder code; with the transponder on. Ground called us for taxi and referred to us as X6XX; we read back X5XX. The taxi instructions were then followed and we continued to runway xx at taxiway xx. Ground then handed us off to tower using X6XX again. We responded that we were X5XX and switched tower. Tower cleared us to line up and wait runway xx at [taxiway xx]. They used X5XX as the flight number. We lined up and waited. Tower cleared X5XX for takeoff and we proceeded to takeoff. Once airborne we were handed off to departure where we were again referred to as X6XX. We read back X5XX. Departure then asked us to change our transponder code. We did as directed. Departure then wanted to know if we were X6XX; a 737 enroute to ZZZ2. We replied that we were X5XX; 737 enroute to ZZZ3. Departure then had us switch back to our original transponder code and cleared us direct to our departure fix. From that point on ATC called us X5XX; and the flight proceeded to ZZZ3 with out incident.
Original NASA ASRS Text
Title: Despite multiple opportunities to redress the similar call sign problem a B737 took off with ATC still under the impression their call sign was X6XX rather than X5XX.
Narrative: We were X5XX to ZZZ and squawking our correct transponder code; with the transponder on. Ground called us for taxi and referred to us as X6XX; we read back X5XX. The taxi instructions were then followed and we continued to Runway XX at Taxiway XX. Ground then handed us off to Tower using X6XX again. We responded that we were X5XX and switched Tower. Tower cleared us to line up and wait Runway XX at [Taxiway XX]. They used X5XX as the flight number. We lined up and waited. Tower cleared X5XX for takeoff and we proceeded to takeoff. Once airborne we were handed off to Departure where we were again referred to as X6XX. We read back X5XX. Departure then asked us to change our transponder code. We did as directed. Departure then wanted to know if we were X6XX; a 737 enroute to ZZZ2. We replied that we were X5XX; 737 enroute to ZZZ3. Departure then had us switch back to our original transponder code and cleared us direct to our departure fix. From that point on ATC called us X5XX; and the flight proceeded to ZZZ3 with out incident.
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.