Apparatus for on-board management of communications in a mobile node comprising a communications system configured to effect wireless data communication between the mobile node and another node by means of at least one supported wireless communications link, wherein the apparatus comprises a node manoeuvre planning module and a dynamic route planner; the node manoeuvre planning module being configured to: identify that a wireless communications link associated with the mobile node (i) has been lost, degraded or is otherwise not optimal, and/or (ii) would violate an emissions control restriction; define a desired wireless communications link between the mobile node and the other node to (i) support wireless communications therebetween, and/or (ii) comply with the emissions control restriction; determine an attitude and/or position of the mobile node with respect to the other node required to support the desired wireless communications link; derive a node manoeuvre plan including data representative of the determined attitude and/or position of the mobile node and generate a plan metric in respect of the node manoeuvre plan; and transmit node manoeuvre plan data to the dynamic route planner, wherein the node manoeuvre plan data is configured to cause the dynamic route planner (11) to derive a route plan designed to manoeuvre the mobile node to the determined attitude and/or position; the dynamic route planner being configured to: in response to receipt of the node manoeuvre plan data, generate a route plan designed to manoeuvre the mobile node to the determined attitude and/or position and generate corresponding route plan data; and provide the route plan data and data representative of the plan metric to a node authority with a request for authorisation.