Why does the pitot tube on the AA-5A (Cheetah) not have a drain? Home › Forums › Ask the Gurus › Why does the pitot tube on the AA-5A (Cheetah) not have a drain? Tagged: pitot tube drain hole This topic has 0 replies, 1 voice, and was last updated 3 years, 7 months ago by Virgil Royer. Viewing 0 reply threads Author Posts December 7, 2020 at 00:53 #14950 Virgil RoyerParticipant Seems to me there should be a drain (most other pitot tubes have one). Why does the Cheetah’s (other models also?) pitot tube not have a drain? Thanks! Author Posts Viewing 0 reply threads You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In