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A319 flight crew reported a heading deviation when they accepted a clearance for another flight with a similar call sign.
| Attributes | |
| ACN | 1421388 |
| Time | |
| Date | 201702 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | OAK.Airport |
| State Reference | CA |
| Environment | |
| Flight Conditions | VMC |
| Light | Dawn |
| Aircraft 1 | |
| Make Model Name | A319 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Climb |
| Flight Plan | IFR |
| Person 1 | |
| Function | Pilot Not Flying Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Person 2 | |
| Function | First Officer Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Deviation - Procedural Clearance Deviation - Track / Heading All Types |
Narrative:
Departing oak runway 30; contacted norcal and was assigned heading 270; climb to 10000. We were then issued a clearance for FL190 and heading 200 or so. I put FL190 in FCU (flight control unit) and acknowledged clearance. Then another aircraft said 'someone else answered for us'. I then reset FCU to 10;000 ft and told PF to turn back to hdg 270. I inquired ATC as to our clearance; ATC responded heading 270 climb 10;000. PF may not have heard the clearance to 10;000 and hdg 270. I said my aircraft and ensured aircraft turned back to hdg 270 and leveled at 10;000. Pm may have not heard 'my aircraft'. We got a 'dual input'; however I re-engaged ap and PF and pm agreed to hdg 270 and 10;000. I then reconfirmed ATC clearance and the PF concurred with clearance of hdg 270 and 10;000. ATC frequency was busy and similar call signs [three ending in xy or yy] all on same freq. ATC then asked the two of us ending xy if we could contact dispatch and request flight number changes. ATC commented that; 'this happens every morning.'I have noticed many of our flight numbers are within a digit of each other on similar routes and arrival/departure times. We trapped this event and corrected the confusion with the clearance promptly. Avoid using similar flight numbers at same time of day and similar routing.
Original NASA ASRS Text
Title: A319 flight crew reported a heading deviation when they accepted a clearance for another flight with a similar call sign.
Narrative: Departing OAK runway 30; contacted NORCAL and was assigned heading 270; climb to 10000. We were then issued a clearance for FL190 and heading 200 or so. I put FL190 in FCU (Flight Control Unit) and acknowledged clearance. Then another aircraft said 'someone else answered for us'. I then reset FCU to 10;000 ft and told PF to turn back to hdg 270. I inquired ATC as to our clearance; ATC responded HDG 270 climb 10;000. PF may not have heard the clearance to 10;000 and hdg 270. I said my aircraft and ensured aircraft turned back to hdg 270 and leveled at 10;000. PM may have not heard 'my aircraft'. We got a 'dual input'; however I re-engaged AP and PF and PM agreed to hdg 270 and 10;000. I then reconfirmed ATC clearance and the PF concurred with clearance of hdg 270 and 10;000. ATC frequency was busy and similar call signs [three ending in XY or YY] all on same freq. ATC then asked the two of us ending XY if we could contact Dispatch and request flight number changes. ATC commented that; 'this happens every morning.'I have noticed many of our flight numbers are within a digit of each other on similar routes and arrival/departure times. We trapped this event and corrected the confusion with the clearance promptly. Avoid using similar flight numbers at same time of day and similar routing.
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.