Air Carrier flight crew reported an unstable approach accompanied by a terrain proximity alert during the missed approach. The pilots reported distractions; fatigue and poor weather as contributing to the event.
Synopsis
Air Carrier flight crew reported an unstable approach accompanied by a terrain proximity alert during the missed approach. The pilots reported distractions; fatigue and poor weather as contributing to the event.
Narrative
Commenced approach during near blizzard conditions to ILSXXL. Winds gusting up to 36 kts. Reduced visibility due to blowing snow and low ceilings. Wind direction varying continually from west to north west. Steady wind and gusts varying continually. Runways suddenly opening and then closing. Runway surface conditions being reported as RCC; and or braking action; often times; in conflict with each other (for example; RCC of 4 combined with a braking action of medium; which actually equals an RCC of 3 according to our QRH). We had the required weather to commence the approach; however; we were near the cross wind limit of the aircraft due to RCC conditions. While on final approach; we were again receiving conflicting RCC; versus braking action reports for our runway; along with changing wind direction and gusting speeds. My First Officer and I became inadvertently distracted with the new winds; gusts; RCC; and braking action reports; as we were on the borderline of aircraft limitations. We determined the meteorological conditions exceeded aircraft limitations and needed to go missed approach. Subsequently during the distractions; we inadvertently were not fully configured with landing checklist complete by 1;000 ft. While executing a missed approach we simultaneously heard a momentary proximity alert. In hindsight; I as the Captain; should have not allowed myself; or my First Officer to become inadvertently distracted with the multiple inputs of varying information and changing weather conditions; and just discontinued the approach earlier. In hindsight; also; contributing factors were cumulative fatigue from an extended duty day. By the time this all occurred; we had already flown approximately over 8 hours and 13 duty hours ; as a 2 pilot crew; from maintenance and weather delays.
Second reporter narrative
Arriving in ZZZ we were cleared for ILS XXL. Winds were shifting from W to NW at 23 kts. and gusting up to 38 kts. When we began the approach the winds and RCC were within the aircraft limitations. On final approach the winds shifted and the Captain and I began calculating if we were still within aircraft limitations. We determined that the winds and RCC shifted to the degree that they were outside of the aircraft limitations and we decided to go around below 1;000 ft. AGL. However; because we were task saturated we inadvertently were unable to maintain a stable approach (not in the landing configuration with the landing checklist completed.) Accordingly; the decision to go around was made. We had a long duty day and had flown over 8 hours at the time and 13 hours. We had a maintenance delay in ZZZ1 as well as weather delays. These were all factors contributing to this incident. Next time a situation like this presents itself an earlier decision would be appropriate as opposed what had occurred.
Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.