2019 has been a great year for commemorations of various kinds. 1 - commemorations First listen to this CNN story celebrating 100 years of commercial flight: then answer these questions:…

Numbers are ever-present in the aeronautical world, and mastering their use is an important aspect of radio communications.     1 - numbers Check some rules relating to various uses…

October is the first month of the fall season, and what better symbolizes autumn than clouds?   Let's explore the cotton world of clouds!   1 - vocabulary Review cloud-related…