Valsts valodas centra izstrādātie transporta, infrastruktūras un sakaru termini

Konteksts: [..] any additional location designated by the appropriate ATS authority, where the provision of that frequency is considered necessary to ensure immediate reception of distress calls or to serve the purposes specified in 4.1.3.1.1. [..]
Avots: Annex 10 to the Convention on International Civil Aviation. Volume V. Aeronautical Telecommunications.