DNV-GL TAA0000017-revision4 AutoChief 600 propulsion control system AutoChief C20 propulsion control system K-Steering 600 K-Thrust 600 Issued by DNV-GL Certificate type Type Approval Certificate Certificate no TAA0000017-revision4 Expiration date 02.07.2021 Document file TAA0000017-revision4.pdf Related file(s)