Regulation (EU) 2018/395

1. Refuelling of balloons shall not be conducted when persons are on board.
2. By derogation from point (a), refuelling the engine of hot-air airships may be conducted with the pilot-in-command on board.

ED Decision 2018/004/R

The definition of ‘refuelling’ in Annex I excludes the replacement of fuel cylinders. Therefore, the replacement of fuel cylinders may be conducted, observing the appropriate precautions, when persons are on board.

BOP.BAS.175 Use of restraint system