The criteria applied by Finland in grouping aerodromes / heliports for the provision of information in this AIP are as follows:

The aerodrome / heliport of entry and departure for international air traffic, where such formalities as customs and border control are carried out full-time or only by PPR and where air traffic services (ATC, AFIS) are available on a regular basis.

For prior permissions, see section GEN 1.2 and appropriate AD 2 section.

Note: Some of the secondary international aerodromes are military aerodromes and flights of foreign aircraft are allowed with prior permission only, see AD 1.1, para 3.

An aerodrome / heliport available only for domestic air traffic.

Quarantine airport means an airport which, with regard to its facilities and arrangements, is suitable for use in the event of suspected case of a very serious infectious and contagious disease in a passenger or crew member of an aircraft.

The quarantine airport have the necessary medical staff available to confirm any suspected contagious infectious disease and, if necessary, place the exposed persons in isolation (quarantine).