UAS.OPEN.020 UAS operations in subcategory A1

• Regulation (EU) 2020/639 found in: Unmanned Aircraft Systems (No 2019/947 and 2019/945) Part-UAS (Jul 2024)

UAS.OPEN.020 UAS operations in subcategory A1 Regulation (EU) 2020/639 UAS operations in subcategory A1 shall comply with all of the following conditions: (1) for unmanned aircraft referred to in point (5)(d), be conducted in such a way that a remote pilot of the unmanned aircraft does not overfly assemblies of people and reasonably expects that no uninvolved person will be overflown. In the event of unexpected overflight of uninvolved persons, the remote pilot shall reduce as much as possible the time during which the unmanned aircraft overflies those persons; (2) in the case of an unmanned aircraft referred to in points (5)(a), (5)(b) and (5)(c), be conducted in such a way that the remote pilot of the unmanned aircraft may overfly uninvolved persons, but shall never overfly assemblies of people; (3) by way of derogation from point (d) of paragraph 1 of [Article 4](#_DxCrossRefBm1106656755), be conducted, when the follow‑me mode is active, up to a distance of 50 metres from the remote pilot; (4) be performed by a remote pilot who: (a) is familiar with manufacturer’s instructions provided by the manufacturer of the UAS; (b) in the case of an unmanned aircraft class C1, as defined in Part 2 of the Annex to Delegated Regulation (EU) 2019/945, has completed an online training course followed by completing successfully an online theoretical knowledge examination provided by the competent authority or by an entity designated by the competent authority of a Member State achieving at least 75% of the overall marks. The examination shall comprise 40 multiple-choice questions distributed appropriately across the following subjects: (i) air safety; (ii) airspace restrictions; (iii) aviation regulation; (iv) human performance limitations; (v) operational procedures; (vi) UAS general knowledge; (vii) privacy and data protection; (viii) insurance; (ix) security. (5) be performed with an unmanned aircraft that: (a) has an MTOM, including payload, of less than 250 g and a maximum operating speed of less than 19 m/s, in the case of a privately built UAS; or (b) meets the requirements defined in point (a) of [Article 20](#_DxCrossRefBm1106656862); (c) is marked as class C0 and complies with the requirements of that class, as defined in Part 1 of the Annex to Delegated Regulation (EU) 2019/945; or (d) is marked as class C1 and complies with the requirements of that class, as defined in Part 2 of the Annex to Delegated Regulation (EU) 2019/945 and is operated with active and updated direct remote identification system and geo-awareness function.