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When cleared to taxi to a specific runway at ord behind two approaching air carrier jets the flight crew of a B737NG interpreted that to mean follow them to their cleared runway. During their taxi they became aware the two they were taxiing behind were cleared to a different runway. ATC switched their runway rather than try to reroute them to their original runway.
| Attributes | |
| ACN | 1154860 |
| Time | |
| Date | 201403 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ORD.Airport |
| State Reference | IL |
| Aircraft 1 | |
| Make Model Name | B737-800 |
| 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) |
| Person 2 | |
| Function | First Officer Pilot Not Flying |
| Events | |
| Anomaly | ATC Issue All Types Deviation - Procedural Clearance Deviation - Track / Heading All Types Ground Incursion Taxiway |
Narrative:
During taxi out; was given taxi instructions for 22L; then 28R; then 22L B to D behind two other air carrier jets. With all the taxi instructions; changes; congestion on the radio; when the two jets went by; I followed them. When we were coming out of F; I continued to follow; and went past B to north; still following. It was night and [the taxiway] signs somewhat covered with snow. When on north I realized my error and informed ground. They said 'no worries use 28R at ee.'so many times at ord taxi instructions are to 'follow XXX.' I fell into that trap and did. I will increase my vigilance to ensure follow is only for so long and then continue assigned route.
Original NASA ASRS Text
Title: When cleared to taxi to a specific runway at ORD behind two approaching air carrier jets the flight crew of a B737NG interpreted that to mean follow them to their cleared runway. During their taxi they became aware the two they were taxiing behind were cleared to a different runway. ATC switched their runway rather than try to reroute them to their original runway.
Narrative: During taxi out; was given taxi instructions for 22L; then 28R; then 22L B to D behind two other air carrier jets. With all the taxi instructions; changes; congestion on the radio; when the two jets went by; I followed them. When we were coming out of F; I continued to follow; and went past B to N; still following. It was night and [the taxiway] signs somewhat covered with snow. When on N I realized my error and informed ground. They said 'no worries use 28R at EE.'So many times at ORD taxi instructions are to 'follow XXX.' I fell into that trap and did. I will increase my vigilance to ensure follow is only for so long and then continue assigned route.
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.