Brackett Aircraft Air Filter Element BA9 PA 1779TP He is completing studies toward He is completing studies toward a masters degree in aeronautical science safety from Embry Riddle Aeronautical University and is a graduate of the Transportation Safety Institute Create unlimited customized quizzes using questions selected from previously released FAA test banks as well as questions that have been developed from current FAA reference materials to enhance your learning process The specially treated polyurethane element in the Brackett filter assures near total protection from any foreign material entering the system Replace original air filter unit with a Brackett assembly