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A B757-200 captain reported encountering wake vortex from a preceding B757 that contributed to a course deviation.
| Attributes | |
| ACN | 969986 |
| Time | |
| Date | 201109 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | A90.TRACON |
| State Reference | NH |
| Aircraft 1 | |
| Make Model Name | B757-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Climb |
| Route In Use | SID HYLND TWO |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | B757 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Climb |
| Person 1 | |
| Function | Pilot Not Flying |
| Experience | Flight Crew Last 90 Days 80 Flight Crew Total 10000 Flight Crew Type 3000 |
| Events | |
| Anomaly | Deviation - Procedural Clearance Deviation - Procedural Published Material / Policy Deviation - Track / Heading All Types Inflight Event / Encounter Wake Vortex Encounter |
Narrative:
On taxi out we were cleared for an immediate takeoff runway 4R on the Hylnd2 departure/manchester transition. LNAV was selected once airborne. We continued straight ahead until rolled left of track by the preceding 757 vortices. The magenta line did not lead in the direction we expected as it was to our left/west side and we initially turned left toward it. We needed to turn right/east to get back on track to hurbe and on the SID. We started to turn back to the right just as the departure controller gave us a heading to the right and then immediately cleared us to hylnd and flight plan route. We suspect the mht transition either dropped off or it was not loaded after the runway change from 9 to 4R. No traffic conflicts or TCAS alerts occurred and the rest of the flight was uneventful.
Original NASA ASRS Text
Title: A B757-200 Captain reported encountering wake vortex from a preceding B757 that contributed to a course deviation.
Narrative: On taxi out we were cleared for an immediate takeoff Runway 4R on the Hylnd2 Departure/Manchester Transition. LNAV was selected once airborne. We continued straight ahead until rolled left of track by the preceding 757 vortices. The magenta line did not lead in the direction we expected as it was to our left/west side and we initially turned left toward it. We needed to turn right/east to get back on track to HURBE and on the SID. We started to turn back to the right just as the Departure Controller gave us a heading to the right and then immediately cleared us to HYLND and flight plan route. We suspect the MHT transition either dropped off or it was not loaded after the runway change from 9 to 4R. No traffic conflicts or TCAS Alerts occurred and the rest of the flight was uneventful.
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.