2025-04 · NASA ASRS report 2232243
Global 5000 flight crew reported windshear warning on approach. Flight crew went around and landed uneventfully.
Windshear Warning (Red PFD annunciation) encountered on short final below 1000 ft. At XA:58 the annunciation was received and the windshear escape procedure was initiated. For the ILS XXR approach the missed approach altitude was 3000 ft.; but with severe turbulence and an incredible increase in performance (increasing headwind and updrafts) the aircraft climb was going to exceed 3000 ft. The FMS Speed selection was 210 for the go-around; and as we continued to rapidly increase in speed and altitude the aircraft configuration was cleaned up to not exceed the aircraft limitations. I disengaged the automation to reduce the thrust and manually push the nose down to attempt to capture 3000 ft. The Captain was announcing altitude trends of which I was still attempting to correct; still rapidly climbing towards 4000 ft.I initiated the right turn to heading 220 per the missed approach and Tower instruction; and the Captain called for the transfer of controls to help arrest the climb and return to our new assigned altitude of 5000 ft. Our climb was arrested at 6000 ft. and once clear of the windshear we returned to normal speed; assigned altitude; and configured for an approach for ILS XX.
During the Approach into ZZZ we had continous light chop with pockets of moderate turbulence. ZZZ was using Runway XXR and we were set up for the ILS XXR. The winds were approximately 120/18 gusting to 25; and we heard on the frequency there was a speed gain and loss reported of +/- 10 knots. Person A was the pilot flying (PF) and he did an excellent job maintaning a stable approach.At around 300 ft we got a windshear warning and we went around. I notified the Tower and he instructed us to fly the publised missed and so we did. However were encountered severe windshear during the go around and we were unable to hold the published 3000 ft. We went up to 5000 and even 6000. Meanwhile the Tower noticed in the tone of our voice that we were strugling to maintain altitude; so he issued us a new clearance; he said to maintain any altitude. At this point I took the controls from the First Officer and I was able to descend the aircraft back to 5000 ft. We were then given vectors for Runway XX and landed. After landing I did explain to our passengers what exactly had happened and he was glad to be on the ground.I don't think we could have done anything different. There was Aircraft Y behind us; they also went around and also declard to ATC that they were unable to maintain altitude. This was definately the most severe windshear I encountered in my many years at this company.
Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.
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