selon Plane&Pilot (USA)
https://www.planeandpilotmag.com/news/the-latest/2020/12/21/top-aviation-stories-of-2020-part-ii/
Rappel de la partie 1: https://www.planeandpilotmag.com/news/the-latest/2020/12/21/top-aviation-stories-of-2020-part-1/