AMC 25.773(c) Internal windshield and window fogging

• ED Decision 2015/008/R found in: CS-25 Amdt 27 - Large Aeroplanes (Jan 2023)

AMC 25.773(c) Internal windshield and window fogging ED Decision 2015/008/R In absence of pilot compartment openable windows, if the failures of the means to prevent fogging cannot be shown to be extremely improbable, the applicant should show that a sufficient field of view is maintained to allow the pilot to safely operate the aeroplane during all operations, including taxi. This should be accomplished by the following: — The extent of fogging should be established and verified during flight tests with the means to prevent fogging inoperative, — If it is proposed that the flight crew must take action to remove inside fogging, the effectiveness of the associated operational procedure should be demonstrated by flight test. [Amdt 25/16]