AIRAC 2101 effective 2021-01-28 previous
https://aiphub.tower.zone/EG/AIS
https://aiphub.tower.zone/EG/AIP?AIRAC=next
https://aiphub.tower.zone/EG/AIP/{publication}?AIRAC=next
https://aiphub.tower.zone/EG/AIP/AD/{icao_code}?AIRAC=next