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CS 26.400 Fire extinguishers

ADDITIONAL AIRWORTHINESS SPECIFICATIONS FOR OPERATIONS · Regulation (EU) 2015/640 · EAR revision 20 Mar 2026

IRImplementing rule

CS 26.400Fire extinguishers

Compliance with point 26.400 of Part-26 is demonstrated by complying with the following (see also GM1 26.400(b)):

(a)the extinguishing agent that is used in a built-in fire extinguisher for a lavatory waste receptacle or in a portable fire extinguisher for cabins and crew compartments must not be one of the agents that are listed in Annex A — Group II: Halons (halon 1211, halon 1301, and halon 2402) of ‘The Montreal Protocol on Substances that Deplete the Ozone Layer’, 8th Edition, 2009;

(b)the agent in any fire extinguisher must be acceptable, and be of a kind and in a quantity that is appropriate for the kinds of fire that are likely to occur where the extinguisher is intended to be used;

(c)any agent that is used in a personnel compartment or that is likely to enter a personnel compartment must be designed to minimise the hazard of a toxic gas concentration; and

(d)a discharge of the extinguisher must not cause any structural damage.

[Issue: 26/2]

[Issue: 26/3]

IR · CS 26.400 — Regulation (EU) 2015/640 · ED Decision 2020/023/R · Part-26 Easy Access Rules · EAR revision 20 Mar 2026

All rules in SUBPART C — HELICOPTERS

Consolidated from the EASA Easy Access Rules (revision 20 Mar 2026, extracted 17 Aug 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.

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