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A B747-400 relief officer reported the captain and first officer both missed the taxi instructions and turned on taxiway a when they were cleared via taxiway B. ATC was notified and the aircraft transitioned to the correct taxiway. Reporter stated a late night start and complacency may have contributed.
| Attributes | |
| ACN | 901220 |
| Time | |
| Date | 201007 |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | B747-400 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Taxi |
| Person 1 | |
| Function | Pilot Not Flying Relief Pilot |
| Experience | Flight Crew Last 90 Days 110 Flight Crew Total 13000 Flight Crew Type 5500 |
| Events | |
| Anomaly | Conflict Ground Conflict Less Severe Deviation - Procedural Clearance Deviation - Track / Heading All Types Ground Incursion Taxiway |
Narrative:
On taxi out ground told us to 'taxi to the runway via B. Hold short of the runway'. Our normal taxi out is via taxiway a which is what the captain proceeded to do. My head was down and I missed that he turned onto a. The other relief pilot asked me weren't we supposed to be on B. I immediately called out that we were on a instead of B and needed to let ground know. The flying first officer and captain both said that they would get back on B at the next convenient taxiway. I advocated that we needed to let ground know right away. Ground was notified that we were joining B. Ground responded roger. A 757 with winglets was pushed back on an angle on a. It looked very tight to pass them. It was dark and difficult to see if would hit them or not. We stopped short until they moved out of the way. I am not sure that the captain saw the problem until we brought it up. I think that the late night start and complacency nearly caused us some serious problems.
Original NASA ASRS Text
Title: A B747-400 Relief Officer reported the Captain and First Officer both missed the taxi instructions and turned on Taxiway A when they were cleared via Taxiway B. ATC was notified and the aircraft transitioned to the correct taxiway. Reporter stated a late night start and complacency may have contributed.
Narrative: On taxi out Ground told us to 'Taxi to the runway via B. Hold short of the runway'. Our normal taxi out is via Taxiway A which is what the Captain proceeded to do. My head was down and I missed that he turned onto A. The other Relief Pilot asked me weren't we supposed to be on B. I immediately called out that we were on A instead of B and needed to let Ground know. The flying First Officer and Captain both said that they would get back on B at the next convenient taxiway. I advocated that we needed to let Ground know right away. Ground was notified that we were joining B. Ground responded Roger. A 757 with winglets was pushed back on an angle on A. It looked very tight to pass them. It was dark and difficult to see if would hit them or not. We stopped short until they moved out of the way. I am not sure that the Captain saw the problem until we brought it up. I think that the late night start and complacency nearly caused us some serious problems.
Data retrieved from NASA's ASRS site as of April 2012 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.