IRImplementing rule
NCO.OP.147Refuelling with engine(s) and/or rotors turning – helicopters
Refuelling with engine(s) and/or rotors turning shall only be conducted if all those conditions are met simultaneously:
(a)if it is not practical to shut down or restart the engine;
(b)in accordance with any specific procedures and limitations in the aircraft flight manual (AFM);
(c)with JET A or JET A-1 fuel types;
(d)with no passengers or task specialists on board, embarking or disembarking;
(e)if the operator of the aerodrome or operating site allows such operations;
(f)in the presence of the appropriate rescue and firefighting (RFF) facilities or equipment; and
(g)in accordance with a checklist that shall contain:
(1)normal and contingency procedures;
(2)the required equipment;
(3)any limitations; and
(4)responsibilities and duties of the pilot-in-command and, if applicable, crew members and task specialists.
IR · NCO.OP.147 — Regulation (EU) No 965/2012 · Regulation (EU) 2021/1296 · Air OPS Easy Access Rules · EAR revision 27 Mar 2026