The Chief of Air Staff (abbreviated as CAS) (Bengali: বিমান বাহিনী প্রধান, romanized: Bimāna bāhinī pradhāna) is the professional head of the Bangladesh Air Force.

[1] Only pilots (officers from GDP branch) get this post.

The appointment is held by a four-star air officer and the current COAS is Air Chief Marshal Hasan Mahmood Khan.

[2][3][4] Prior to 2016, from 2007 the appointment was held by an Air Marshal (three-star air officer) and from 1972 to 2007 COAS's rank was Air Vice Marshal.

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