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]
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