The document defines various IATA global indicators that describe air travel routes between different geographic areas. The indicators include:
AP - Routes between areas 2 and 3 via the Atlantic and Pacific oceans.
AT - Routes between areas 1 and 2/3 via the Atlantic, excluding South America.
EH - Routes between areas 2 and 3 via the Eastern Hemisphere, excluding certain other routes.
FE - Routes between Europe/Ukraine and area 3 with nonstop service to area 3, excluding Japan/Korea.