https://www.boldmethod.com/learn-to-fly/aerodynamics/emergency-descent-aerodynamics-how-to-fly-them-safely-high-to-low/
https://www.faa.gov/regulations_policies/handbooks_manuals/aviation/airplane_handbook/media/19_afh_ch17.pdf
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L’entrainement aux UPRT (positions inusuelles)…
