Manual on detailed technical specifications for the Aeronautical Telecommunication Network (ATN) using ISO/OSI standards and protocols.
International Civil Aviation Organization.
Montréal, Quebec : International Civil Aviation Organization,
2010.
Part 1 - Air-ground applications -- pt. 2 - Ground-ground applications - Air Traffic Services Message handling (ATSMHS) -- pt. 3 - Upper Layer Communications Service (ULCS) and Internet Communications Service (ICS) -- pt. 4 - Directory services, security and systems management. Includes amendments.
Aeronautics