AIP
Aeronautical Information Publication - Static information, updated every 28 days, of lasting (permanent) character essential to air navigation.
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AMDT
Amendment - Permanent Changes To The Information Contained In The AIP.
SUPS
Supplements - Temporary changes to the AIP of long duration (three months or longer) and information of short duration which contains extensive text and/or graphics.
AIC/AC
Notices containing information that does not qualify for the origination of a NOTAM or for inclusion in the AIPs, relating to flight safety, air navigation, technical, administrative or legislative matters.
