Class 5, the ultralight aerostat
An ultralight aerostat meets the following technical conditions:
- The maximum continuous power is less than or equal to 102 hp for single-seaters and 122 hp for two-seaters.
- For a multi-engine aircraft, these values are the combined powers.
- The volume of the helium envelope is less than or equal to 400 m3 or, for ultralight airships excluded from the scope of Regulation (EU) 2018/1139 of the European Parliament and of the Council of 4 July 2018 for a reason other than that provided for in point (h) of Annex I to that Regulation, less than or equal to 900 m3;
- The volume of the hot-air envelope is less than or equal to 1200 m3 or, for ultralight airships excluded from the scope of Regulation (EU) 2018/1139 of the European Parliament and of the Council of 4 July 2018 for a reason other than that provided for in point (h) of Annex I to that Regulation, less than or equal to 2000 m3.
