Severodvinsk began its sea trials on 12 September 2011[citation needed] and it returned from the first voyage by 6 October 2011.

[6][7] Later that month, the submarine successfully test fired two additional Kalibr cruise missiles (land attack version).

[10] In November 2014, the submarine successfully tested its rescue capsule which surfaced from a depth of 40 metres (130 ft) with five crew members inside.

[22][23] According to RF Defense Ministry sources, in late 2019 Severodvinsk trained submerging, surfacing and cruise missile fire in the Arctic.

[24] On 5 February 2021, she successfully hit a coastal target in Chiza training ground, Arkhangelsk Oblast with a Kalibr missile.