Every aeronautical mobile and mobile-satellite station has an accurate clock set to UTC (40.1); aeronautical stations provide continuous service while responsible for aircraft in flight (40.2); aircraft stations in flight maintain service and watch as the competent authority requires and do not cease watch, except for safety, without informing the ground station (40.3).
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.