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.
breath sounds. Respiratory sounds heard on auscultation of the chest. In a normal chest, they are classified as vesicular, tracheal, and bronchovesicular. See also: sound. breath. the air taken in and expelled by the expansion and contraction of the thorax.