SUBPART F — SYSTEMS AND EQUIPMENT
Normal-Category Aeroplanes (CS-23) · CS-23 · CS 23.2500 – CS 23.2555
On this page
CS 23.2500 General requirements on systems and equipment function
Requirements CS 23.2500, CS 23.2505 and CS 23.2510 are general requirements applicable to systems and equipment installed in the aeroplane, and should…
AMC1 23.2500 General requirements on systems and equipment function
AMC2 23.2500 General requirements on systems and equipment function
AMC3 23.2500 General requirements on systems and equipment function
CS 23.2505 General requirements on equipment installation
Each item of installed equipment is installed according to limitations specified for that equipment.
AMC1 23.2505 General requirements on equipment installation
CS 23.2510 Equipment, systems, and installations
The equipment and systems identified in CS 23.2500, considered separately and in relation to other systems, must be designed and installed such that:
AMC1 23.2510 Equipment, systems, and installations
CS 23.2515 Electrical and electronic system lightning protection
For an aeroplane where the exposure to lightning is likely: each electrical or electronic system that performs a function, the failure of which would…
AMC1 23.2515 Electrical and electronic system lightning protection
AMC2 23.2515 Electrical and electronic system lightning protection
AMC3 23.2515 Electrical and electronic system lightning protection
CS 23.2520 High-intensity radiated fields (HIRF) protection
Each electrical and electronic system that perform a function, the failure of which would prevent the continued safe flight and landing of the aeroplane…
AMC1 23.2520 High-intensity radiated fields (HIRF) protection
AMC2 23.2520 High-intensity radiated fields (HIRF) protection
AMC3 23.2520 High-intensity radiated fields (HIRF) protection
CS 23.2525 System power generation, storage, and distribution
The power generation, storage, and distribution for any system must be designed and installed to:
AMC1 23.2525 System power generation, storage, and distribution
AMC2 23.2525 System power generation, storage, and distribution
AMC3 23.2525 System power generation, storage, and distribution
CS 23.2530 External and cockpit lighting
The applicant must design and install all lights to minimise any adverse effects on the performance of flight crew duties.
AMC1 23.2530 External and cockpit lighting
CS 23.2535 Safety equipment
Safety and survival equipment, required by the operating rules, must be reliable, readily accessible, easily identifiable, and clearly marked to identify…
CS 23.2540 Flight in icing conditions
An applicant who requests certification for flight in icing conditions must show the following in the icing conditions for which certification is…
AMC1 23.2540 Flight in icing conditions
CS 23.2545 Pressurised systems elements
Pressurised systems must withstand appropriate proof and burst pressures.
AMC1 23.2545 Pressurised systems elements
CS 23.2550
(reserved)
CS 23.2555 Installation of recorders (e.g. cockpit voice recorders and flight data recorders)
If recording is required by the operating rules, the system:
AMC1 23.2555 Installation of recorders (e.g. cockpit voice recorders and flight data recorders)
AMC2 23.2555 Installation of recorders (e.g. cockpit voice recorders and flight data recorders)
AMC3 23.2555 Installation of recorders (e.g. cockpit voice recorders and flight data recorders)
Consolidated from the EASA Easy Access Rules (revision 13 May 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.
Metis opens with Avioverse in October 2026 · request early access.