Requirements that aircraft with a certain take-off mass must comply with special flight safety conditions in order to be permitted to be used. Definitions that may constitute technical specifications regarding what should be considered as e.g. an amateur-built aircraft
The Swedish Transport Agency's regulations on non-commercial operations with certain aircraft and helicopters
The Swedish Transport Agency's regulations on non-commercial operations with certain aircraft and helicopters must be applied to non-commercial operations with such aircraft and helicopters listed in Annex I, point 1, a-d and g of Regulation (EU) 2018/1139 of the European Parliament and of the Council.
The regulations must also be applied to non-commercial, specialised flight operations with such aircraft and helicopters as mentioned in paragraph 1, if their maximum take-off mass (MTOM) is equal to or less than 5 700 kg for aircraft and 3 175 kg for helicopters.
When flying abroad, the regulations must be applied when flying with Swedish-registered aircraft or helicopters, unless otherwise stipulated or contradicted by applicable law in the state in question.