NCO.OP.147 Refuelling with engine or rotors turning - helicopters

SI No. 1290/2024

Text in magenta in force from 30 October 2025

Refuelling a helicopter with engine running or rotors turning must only be conducted where all the following conditions are met:

1. it is not practical to shut down or restart the engine;

2. it is conducted in accordance with any specific procedures and limitations in the aircraft flight manual (AFM);

3. only JET A or JET A-1 fuel types are being used;

4. no passengers or task specialists are on board, embarking or disembarking;

5. the operator of the aerodrome or operating site allows such operations;

6. appropriate rescue and firefighting facilities or equipment are present; and

7. it is conducted in accordance with a checklist that must contain:

   1. normal and contingency procedures;

   2. the required equipment;

   3. any limitations;

   4. responsibilities and duties of the pilot-in-command and, if applicable, crew members and task specialists.