#AC-08-45 1 GAC AcousticsNibration FS-AN-08-45 5/2/2008 EFTA_R1_00013025 EFTA01734638 0 u 1 fstream MEMORANDUM A GENERAL DYNAMICS COMPANY Data Acquisition Cockpit noise levels were measured at a point midway between pilot and co-pilot at ear level. The passenger cabin on Aircraft 5176 is defined as se