An able airman with a disqualify-. ing diagnosis, after FAA review, is given. a letter that permits any Aviation Medi-. cal Examiner to certify after reviewing. the pilot's current medical status, with-. out involving the bureaucracy.
Normal Lung Sounds. Normal breath sounds are classified as tracheal, bronchial, and vesicular sounds. The patterns of normal breath sounds are created by the effect of body structures on air moving through airway. Normal lung sounds can be considered abnormal when the sound occurs in an area in which the sounds should not be present.
Normal breath sounds. Normal breath sounds can be further divided into 2 subcategories: vesicular and tracheal. Vesicular breath sounds are the sounds heard during auscultation of the chest of a healthy person (listen to the audio recording below).