Text in force at CS29-12: from CS29-0, effective 14 Nov 2003.
(a) Non precipitation conditions. For non precipitation conditions, the following apply:
(1) Each pilot com partment m ust be arranged to give the pilots a sufficiently extensive, clear, and undistorted view for safe operation.
(2) Each pilot compartment m ust be free of glare and reflection that could interfere with the pilot’s view. If certification for night operation is requested, this m ust be shown by night flight tests.
(b) Precipitation conditions. For precipitation conditions, the following apply:
(1) Each pilot m ust have a sufficiently extensive view for safe operation:
(i) In heavy rain at forward speeds up to VH; and
(ii) In the m ost severe icing condition for which certification is requested.
(2) The first pilot m ust have a window that:
(i) Is openable under the conditions prescribed in sub-paragraph (b)(1); and
(ii) Provides the view prescribed in that paragraph.
ED Decision 2003/016/RM · Source