AD 1.4 GROUPING OF AERODROMES

THE CRITERIA APPLIED BY VIET NAM IN GROUPING AERODROMES FOR THE PROVISION OF INFORMATION IN THIS AIP ARE AS FOLLOWS:

1 Primary/Major International Aerodrome

The aerodrome of entry and departure for international air traffic in Viet Nam, 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 Secondary/Other International Aerodrome

Another aerodromes available for the entry or departure of international air traffic, where the formalities concerning customs, immigration, health and similar procedures and air traffic services are made available, on a restricted, to flights with prior approval only.

3 National Aerodrome

An aerodrome available only for domestic air traffic, including those military aerodromes where civil air traffic is allowed under certain conditions.