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CS 25J1201 Fire extinguishing system materials

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

IRImplementing rule

CS 25J1201 Fire extinguishing system materials

(a)No material in any fire extinguishing system may react chemically with any extinguishing agent so as to create a hazard.

(b)Each system component in an APU compartment must be fireproof.

[Amdt 25/1]

IR — CS-25 · ED Decision 2005/006/R · CS-25 Easy Access Rules · EAR revision 26 Jan 2023

All rules in SUBPART J – AUXILIARY POWER UNIT INSTALLATIONS

Consolidated from the EASA Easy Access Rules (revision 26 Jan 2023, 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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