Title 14
SECTION 27.1543
27.1543 Instrument markings: general.
§ 27.1543 Instrument markings: general.For each instrument -
(a) When markings are on the cover glass of the instrument, there must be means to maintain the correct alignment of the glass cover with the face of the dial; and
(b) Each arc and line must be wide enough, and located, to be clearly visible to the pilot.