Narrative:

Approaching dca we were informed by ATC winds are 060 at 18 gusting 39. Shortly after while on the approach we experienced wind shear. I immediately executed a go-around and followed the wind shear escape guidance. As per SOP set max thrust; press toga button; disconnect auto throttle; disconnect autopilot; maintain wings level; and pitch to follow wind shear guidance. Return to desired flightpath. When the aircraft [has] escaped from wind shear; request a vertical and lateral mode to exit wshr/roll mode. When the aircraft was in a safe flight attitude and wind shear was escaped I immediately executed a left turn to avoid the P56 prohibited area. ATC then issued heading directions and we followed. At this time we were made aware that we may have violated P56 and issued a phone number. When we got on the ground and were safely at the gate we contacted ATC and gave the air traffic controller the required information.at the time of the go around due to wind shear safety of flight was in jeopardy; if the proper wind shear procedures were not followed correctly. I believe I did everything in my power to keep the aircraft in a safe flight attitude while complying with the P56 restrictions. As soon as wind shear was escaped we complied with every other aspect of ATC directions.

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Original NASA ASRS Text

Title: ERJ-170 flight crew reported an incursion into P56 during a go-around after encountering wind shear on approach to DCA.

Narrative: Approaching DCA we were informed by ATC winds are 060 at 18 gusting 39. Shortly after while on the approach we experienced wind shear. I immediately executed a go-around and followed the wind shear escape guidance. As per SOP set max thrust; press TOGA button; disconnect auto throttle; disconnect autopilot; maintain wings level; and pitch to follow wind shear guidance. Return to desired flightpath. When the aircraft [has] escaped from wind shear; request a vertical and lateral mode to exit WSHR/ROLL mode. When the aircraft was in a safe flight attitude and wind shear was escaped I immediately executed a left turn to avoid the P56 prohibited area. ATC then issued heading directions and we followed. At this time we were made aware that we may have violated P56 and issued a phone number. When we got on the ground and were safely at the gate we contacted ATC and gave the air traffic controller the required information.At the time of the go around due to wind shear safety of flight was in jeopardy; if the proper wind shear procedures were not followed correctly. I believe I did everything in my power to keep the aircraft in a safe flight attitude while complying with the P56 restrictions. As soon as wind shear was escaped we complied with every other aspect of ATC directions.

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.