Do I need to be completely fluent in English? YES and NO. All the courses are given in English. You need to be able to understand technical courses given in English and perform all radio communications in English. Through our partner "Elan Languages" you can test your level in advance, and if needed, follow a dedicated exam preparation course. See www.elanlanguages.com or contact them through email email@example.com, or by telephone at +32 (0)11 79 05 14.