en anglais sur https://www.boldmethod.com/blog/lists/2021/04/eight-atc-phrases-used-to-direct-your-climb-or-descent/
FAA: Pilot’s Handbook of Aeronautical Knowledge (2023)
Version 2023: https://www.faa.gov/regulations_policies/handbooks_manuals/aviation/faa-h-8083-25c.pdf…