IRImplementing rule
SERA.3230Water operations
(a)When two aircraft or an aircraft and a vessel are approaching one another and there is a risk of collision, the aircraft shall proceed with careful regard to existing circumstances and conditions including the limitations of the respective craft.
(1)Converging. An aircraft which has another aircraft or a vessel on its right shall give way so as to keep well clear.
(2)Approaching head-on. An aircraft approaching another aircraft or a vessel head-on, or approximately so, shall alter its heading to the right to keep well clear.
(3)Overtaking. The aircraft or vessel which is being overtaken has the right of way, and the one overtaking shall alter its heading to keep well clear.
(4)Landing and taking off. Aircraft landing on or taking off from the water shall, in so far as practicable, keep well clear of all vessels and avoid impeding their navigation.
(b)Lights to be displayed by aircraft on the water. At night or during any other period prescribed by the competent authority, all aircraft on the water shall display lights as required by the Convention on the International Regulations for Preventing Collisions at Sea, 1972, unless it is impractical for them to do so, in which case they shall display lights as closely similar as possible in characteristics and position to those required by the International Regulations.
IR · SERA.3230 — Regulation (EU) No 923/2012 · Regulation (EU) No 923/2012 · SERA Easy Access Rules · EAR revision 26 Aug 2025