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Sfo ground controller and an A320 flight crew reported a runway incursion.
| Attributes | |
| ACN | 1519195 |
| Time | |
| Date | 201802 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | SFO.Tower |
| State Reference | CA |
| Aircraft 1 | |
| Make Model Name | A320 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Taxi |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | B777-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Takeoff |
| Flight Plan | IFR |
| Person 2 | |
| Function | Pilot Not Flying Captain |
| Events | |
| Anomaly | Conflict Ground Conflict Critical Deviation - Procedural Clearance Ground Incursion Runway |
Narrative:
I was working ground control and was just starting to look towards the intersection of a runway and taxiways where they cross the left runway when I heard local say 'aircraft X stop' two times quickly. I was comprehending what was going on simultaneously with local controls instruction. Aircraft Y [was] about to rotate passing in front of aircraft X on taxiway tango; [as] aircraft X was crossing the hold line. Aircraft X [came] to a stop before crossing the runway and being impacted by aircraft X. I draw no other conclusion than if local control did not notice and say stop as quickly as they did; there would have been a 100% chance of a very grave impact. There was absolutely no chance I could have said anything like 'watch out; stop that guy!'; as there was absolutely zero time for that to occur.
Original NASA ASRS Text
Title: SFO Ground Controller and an A320 flight crew reported a runway incursion.
Narrative: I was working Ground Control and was just starting to look towards the intersection of a runway and taxiways where they cross the left runway when I heard Local say 'Aircraft X stop' two times quickly. I was comprehending what was going on simultaneously with Local Controls instruction. Aircraft Y [was] about to rotate passing in front of Aircraft X on taxiway Tango; [as] Aircraft X was crossing the hold line. Aircraft X [came] to a stop before crossing the runway and being impacted by Aircraft X. I draw no other conclusion than if Local Control did not notice and say stop as quickly as they did; there would have been a 100% chance of a very grave impact. There was absolutely no chance I could have said anything like 'watch out; stop that guy!'; as there was absolutely zero time for that to occur.
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.