SUBPART D — DESIGN AND CONSTRUCTION
Normal-Category Aeroplanes (CS-23) · CS-23 · CS 23.2300 – CS 23.2340
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CS 23.2300 Flight control systems
The flight control systems are designed to: operate easily, smoothly, and positively enough to allow proper performance of their functions;
AMC1 23.2300 Flight control systems
CS 23.2305 Landing gear systems
The landing gear is designed to: provide stable support and control to the aeroplane during surface operation;
AMC1 23.2305 Landing gear systems
CS 23.2310 Buoyancy for seaplanes and amphibians
Aeroplanes intended for operations on water must: provide buoyancy of 80 % in excess of the buoyancy required to support the maximum weight of the…
AMC1 23.2310 Buoyancy for seaplanes and amphibians
CS 23.2315 Means of egress and emergency exits
With the cabin configured for take-off or landing, the aeroplane is designed to:
AMC1 23.2315 Means of egress and emergency exits
CS 23.2320 Occupant physical environment
The applicant must design the aeroplane to: allow clear communication between the flight crew and passengers;
AMC1 23.2320 Occupant physical environment
CS 23.2325 Fire protection
The aeroplane is designed to minimise the risk of fire initiation due to:
CS 23.2330 Fire protection in designated fire zones
Flight controls, engine mounts, and other flight structures within or adjacent to designated fire zones must be capable of withstanding the effects of a…
AMC1 23.2330 Fire protection in designated fire zones
CS 23.2335 Lightning protection
For operations where the exposure to lightning is likely, the aeroplane must be protected against catastrophic effects of lightning.
AMC1 23.2335 Lightning protection
CS 23.2340 Design and construction information
The following design and construction information is established:
AMC1 23.2340 Design and construction information
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.
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