| Abbreviation | Definition |
|---|---|
| ANK | Ankara, Turkey |
| ANM | Antalaha, Madagascar |
| ANN | Annette Island, Alaska USA |
| ANP | Lee Airport, Annapolis, Maryland USA |
| ANQ | Angola, Indiana USA |
| ANR | Antwerp, Belgium |
| ANS | Andahuaylas, Peru |
| ANU | Antigua, Antigua |
| ANV | Anvik, Alaska USA |
| ANW | Ainsworth Municipal Airport, Ainsworth, Nebraska USA |
| ANX | Andenes, Norway |
| AOI | Ancona, Italy |
| AOJ | Aomori, Japan |
| AOK | Karpathos, Greece |
| AOO | Altoona-Blair County Airport, Altoona, Pennsylvania USA |
| AOR | Alor, Setar, Malaysia |
| AOS | Amook Bay Seaplane Base, Amook, Alaska USA |
| AOT | Aosta, Italy |
| APF | Naples Municipal Airport , Naples, Florida USA |
| APL | Namula, Mozambique |