---
title: "CS 25.1543 Instrument markings; general — CS-25 · Avioverse"
description: "(See AMC 25.1543) For each instrument – (a) When markings are on the cover glass of the instrument, there must be means to maintain the correct alignment…"
url: "https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1543"
---

# CS 25.1543 Instrument markings; general

Large Aeroplanes (CS-25) · CS-25 · EAR revision 26 Jan 2023

IR Implementing rule

## CS 25.1543 Instrument markings; general

(See AMC 25.1543)

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 instrument marking must be clearly visible to the appropriate crew member.

IR · CS 25.1543 — CS-25 · ED Decision 2003/2/RM · CS-25 Easy Access Rules · EAR revision 26 Jan 2023

AMC Acceptable means of compliance

## AMC 25.1543 Instrument Markings - General

The markings should be such that the instrument remains easily readable with the minimum of confusion.

AMC · AMC 25.1543 — CS-25 · ED Decision 2003/2/RM · CS-25 Easy Access Rules · EAR revision 26 Jan 2023

[All rules in SUBPART G – OPERATING LIMITATIONS AND INFORMATION](https://avioverse.aero/regulations/easa/cs-25/subpart-g)

Consolidated from the EASA Easy Access Rules (revision 26 Jan 2023, extracted 13 Oct 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.