The Aeronautical Information Service is responsible for the collection and dissemination of information for the entire territory of the Republic of Latvia and, in accordance with the regional air navigation agreement, for the airspace over the high seas encompassed by the Riga FIR.

The Aeronautical Information Service (AIS) which forms part of the State Joint-Stock Company "Latvijas gaisa satiksme", ensures the flow of information necessary for the safety, regularity and efficiency of international and national air navigation within the area of its responsibility.

It consists of AIS Headquarters and International NOTAM Office (NOF) combined with Riga ARO.