IRImplementing rule
CS 23.2530External and cockpit lighting
(a)The applicant must design and install all lights to minimise any adverse effects on the performance of flight crew duties.
(b)Any position and anti-collision lights, if required by operational rules, must have the intensities, flash rate, colours, fields of coverage, and other characteristics to provide sufficient time for another aircraft to avoid a collision.
(c)Any position lights, if required by operational rules, must include a red light on the left side of the aeroplane, a green light on the right side of the aeroplane, spaced laterally as far apart as practicable, and a white light facing aft, located on an aft portion of the aeroplane or on the wing tips.
(d)Taxi and landing lights, if required, must be designed and installed so they provide sufficient light for night operations.
(e)For seaplanes or amphibian aeroplanes, riding lights must provide a white light visible in clear atmospheric conditions.
IR · CS 23.2530 — CS-23 · ED Decision 2017/013/R · CS-23 Easy Access Rules · EAR revision 13 May 2026