AD 1.4 Grouping of aerodromes
The criteria applied by the Republic of Armenia in grouping aerodromes for the provision of information in this AIP is as follows:
1 International aerodrome
Aerodrome of entry and departure for international air traffic, where all formalities concerning customs, immigration, health, animal and plant quarantine and similar procedures are carried out and where air traffic services are available on a regular basis.
2 National aerodrome
National aerodrome available for entry or departure of international air traffic, at which the formalities of customs, immigration, health and similar procedures and air traffic services are made available on a restricted basis to flights, with prior approval only.