§27.1543. Instrument markings: general.
14 C.F.R. § 27.1543
For each instrument—
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
Each arc and line must be wide enough, and located, to be clearly visible to the pilot.
Notes, amendments, and revision history
Authority
Authority: 49 U.S.C. 106(f), 106(g), 40113, 44701-44702, 44704.
Source
Source: Docket No. 5074, 29 FR 15695, Nov. 24, 1964, unless otherwise noted.