When refuelling is being performed while passengers are boarding or disembarking the aircraft, one of the requirements is:
Domanda 51, Operational Procedures - ATPL - Airline Transport Pilot license
| The aircraft's stairs be completely extended. |
| The ground area beneath the exits intended for emergency evacuation and slide deployment areas must be kept clear. |
| All flight crew shall remain at their station. |
| Refuelling is prohibited while passengers are boarding and/or disembarking. |
