---
title: "NCO.OP.147 Refuelling with engine(s) and/or rotors turning – helicopters — Part-NCO · Avioverse"
description: "Refuelling with engine(s) and/or rotors turning shall only be conducted if all those conditions are met simultaneously:"
url: "https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-b/nco-op-147"
---

# NCO.OP.147 Refuelling with engine(s) and/or rotors turning – helicopters

ANNEX VII (Part-NCO) · Regulation (EU) No 965/2012 · EAR revision 27 Mar 2026

IR Implementing rule

## NCO.OP.147 Refuelling 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](https://avioverse.aero/glossary/easa/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](https://avioverse.aero/glossary/easa/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

AMC Acceptable means of compliance

## AMC1 NCO.OP.147 Refuelling with the engine(s) running and/or rotors turning — helicopters

CHECKLIST — HELICOPTERS

(a) Before commencing a refuelling with rotors turning, the pilot-in-command should conduct a risk assessment, assessing the complexity of the activity in order to determine the hazards and associated risks inherent in the operation, and establish mitigating measures.

(b) Refuelling with rotors turning should be performed in accordance with a checklist. Based on the risk assessment, the pilot-in-command should establish a checklist appropriate to the activity and [aircraft](https://avioverse.aero/glossary/easa/aircraft) used, taking into account this AMC.

(c) The checklist should cover relevant elements of GM1 NCO.SPEC.105.

(d) The checklist that is relevant to the duties of the pilot-in-command, crew members, and task specialists should be readily accessible.

(e) The checklist should be regularly reviewed and updated, as appropriate.

AMC · AMC1 NCO.OP.147 — Regulation (EU) No 965/2012 · ED Decision 2022/005/R · Air OPS Easy Access Rules · EAR revision 27 Mar 2026

GM Guidance material

## GM1 NCO.OP.147 Refuelling with the engine(s) running and/or rotors turning — helicopters

PROCEDURES — HELICOPTERS

AMC1 SPO.OP.157 and GM1 SPO.OP.157 provide a generic framework for the development of standard operating procedures (SOPs) for refuelling with the rotors turning.

GM · GM1 NCO.OP.147 — Regulation (EU) No 965/2012 · ED Decision 2022/005/R · Air OPS Easy Access Rules · EAR revision 27 Mar 2026

[All rules in SUBPART B: OPERATIONAL PROCEDURES](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-b)

Consolidated from the EASA Easy Access Rules (revision 27 Mar 2026, extracted 13 Oct 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.