. . "The Orbital Traffic Control Command (OTC-COM) is the aviation military authority of the Barrayaran Empire. It provides air traffic management services over entire Barrayaran, Komarran and Sergyaran orbital spaces with ground installations at all airports and spaceports and 141 other locations to ensure safety of Aircraft operations, having to regulate and oversee all aspects of civil and military aviation. The OTC-COM is funded by the Ministry of Posts and Communications and controlled by a Board of Auditors, in turn held accountable to the Council of Counts, through the Ministry of Posts and Communications. The Commander is Major General Jean Vortaine. The agency maintains air traffic control towers at every large airport and spaceport. OTC-COM has three planetary air traffic control centres based in Vorbarr Sultana, Barrayar, Solstice, Komarr, and Capital City, Sergyar, each leading a Flight Information Regions. These centres cover the whole of Empire of Barrayar except for the Terminal Control Units and towers at airports. Aerodrome controllers are the airport tower controllers, airport approach controllers, airport departure controllers and ground controllers. There are four airport and spaceport categories: \n* Civilian airports and spaceports (Category 1); \n* Military airports and spaceports opened to authorized civilian air or sub-orbital traffic (Category 2); \n* Military airports and spaceports exceptionally opened to special air or sub-orbital traffic (Category 3); \n* Military/Civilian airports and spaceports (mostly major spaceports) (Category 4)."@en . "Air and orbital traffic control in Barrayar"@en . "The Orbital Traffic Control Command (OTC-COM) is the aviation military authority of the Barrayaran Empire. It provides air traffic management services over entire Barrayaran, Komarran and Sergyaran orbital spaces with ground installations at all airports and spaceports and 141 other locations to ensure safety of Aircraft operations, having to regulate and oversee all aspects of civil and military aviation. The OTC-COM is funded by the Ministry of Posts and Communications and controlled by a Board of Auditors, in turn held accountable to the Council of Counts, through the Ministry of Posts and Communications. The Commander is Major General Jean Vortaine. The agency maintains air traffic control towers at every large airport and spaceport. OTC-COM has three planetary air traffic control cent"@en .