Aircraft stations and aircraft earth stations are controlled by an operator holding a certificate issued or recognized by their government, with temporary substitutes allowed only for distress, urgency, safety and essential navigation messages (37.1 to 37.8); administrations prevent fraudulent use of certificates, which bear the holder's signature and are authenticated, and bind operators to secrecy (37.9 to 37.11); general and restricted radiotelephone certificates and their minimum knowledge requirements are set in Sections II and III (37.12 to 37.31).
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.