---
kind: "section"
citation: "14 C.F.R. § 29.1543"
title: "14"
number: "29.1543"
heading: "Instrument markings: general."
url: "https://uscodex.org/cfr/14/29.1543"
---

# §29.1543. 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.

## Notes

### Authority

Authority: 49 U.S.C. 106(f), 106(g), 40113, 44701-44702, 44704.

### Source

Source: Docket No. 5084, 29 FR 16150, Dec. 3, 1964, unless otherwise noted.