---
title: "CAT.IDE.H.275 Emergency lighting and marking — Part-CAT · Avioverse"
description: "Helicopters with an MOPSC of more than 19 shall be equipped with:"
url: "https://avioverse.aero/regulations/easa/air-ops/part-cat/subpart-d/cat-ide-h-275"
---

# CAT.IDE.H.275 Emergency lighting and marking

ANNEX IV (Part-CAT) · Regulation (EU) No 965/2012 · EAR revision 27 Mar 2026

IR Implementing rule

## CAT.IDE.H.275 Emergency lighting and marking

(a) Helicopters with an MOPSC of more than 19 shall be equipped with:

(1) an emergency lighting system having an independent power supply to provide a source of general cabin illumination to facilitate the evacuation of the [helicopter](https://avioverse.aero/glossary/easa/helicopter); and

(2) [emergency exit](https://avioverse.aero/glossary/easa/emergency-exit) marking and locating signs visible in daylight or in the dark.

(b) Helicopters shall be equipped with emergency exit markings visible in daylight or in the dark when operated:

(1) in performance class 1 or 2 on a flight over water at a distance from land corresponding to more than 10 minutes flying time at normal cruising speed;

(2) in performance class 3 on a flight over water at a distance corresponding to more than three minutes flying time at normal cruising speed.

IR · CAT.IDE.H.275 — Regulation (EU) No 965/2012 · Air OPS Easy Access Rules · EAR revision 27 Mar 2026

[All rules in SUBPART D: INSTRUMENTS, DATA, EQUIPMENT](https://avioverse.aero/regulations/easa/air-ops/part-cat/subpart-d)

Consolidated from the EASA Easy Access Rules (revision 27 Mar 2026, 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.