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Air carrier flight crew reported a taxiway incursion after receiving a non-standard taxi instruction.
| Attributes | |
| ACN | 1750016 |
| Time | |
| Date | 202007 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Taxi |
| Flight Plan | IFR |
| Person 1 | |
| Function | First Officer Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) Flight Crew Multiengine |
| Experience | Flight Crew Total 3200 |
| Person 2 | |
| Function | First Officer Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) Flight Crew Multiengine Flight Crew Instrument |
| Events | |
| Anomaly | ATC Issue All Types Deviation - Procedural Clearance Ground Incursion Taxiway |
Narrative:
Taxiing out we were given a taxi clearance to runway xxr intersection xx [taxiway]. The first officer and I both heard a non standard taxi route 'xxr xx; a; XXX' and the first officer read it back and wrote it down. My experience at ZZZ gave me the impression this was a non standard route. Due to the non standard nature of our airports at this time; it wasn't out of the ordinary to get alternate taxi routes. I turned left on XXX [taxiway] and the controller then issued a right turn zyz [taxiway] and a left turn Z [taxiway] to continue to XXX then Y [taxiway].I have flown very little in the past 45 days and heard an incorrect taxi clearance. I also didn't question the 'odd' taxi instructions we copied because of getting similar 'unfamiliar' taxi instructions the past 3 months at ZZZ. The first officer was ZZZ1 based and was also relying on my judgment for this taxi route. The busy frequency made the instructions unclear and we were not corrected when the first officer read back the incorrect taxi instructions.I should have queried the controller for clarification when I was given a 'non-standard' taxi route.
Original NASA ASRS Text
Title: Air carrier flight crew reported a taxiway incursion after receiving a non-standard taxi instruction.
Narrative: Taxiing out we were given a taxi clearance to Runway XXR intersection XX [taxiway]. The FO and I both heard a non standard taxi route 'XXR XX; A; XXX' and the FO read it back and wrote it down. My experience at ZZZ gave me the impression this was a non standard route. Due to the non standard nature of our airports at this time; it wasn't out of the ordinary to get alternate taxi routes. I turned left on XXX [taxiway] and the Controller then issued a right turn ZYZ [taxiway] and a left turn Z [taxiway] to continue to XXX then Y [taxiway].I have flown very little in the past 45 days and heard an incorrect taxi clearance. I also didn't question the 'odd' taxi instructions we copied because of getting similar 'unfamiliar' taxi instructions the past 3 months at ZZZ. The FO was ZZZ1 based and was also relying on my judgment for this taxi route. The busy frequency made the instructions unclear and we were not corrected when the FO read back the incorrect taxi instructions.I should have queried the Controller for clarification when I was given a 'non-standard' taxi 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.