First Amended Complaint, supra note 2, at 5. and he hopes to use small unmanned aircraft to deliver medical services.10× 10. See id. at 5, 10. But in December 2016, the city passed an ordinance that would have made any such project impossible.11× 11. See Newton, Mass., Ordinances § 20-64 (2016); see also Singer, 2017 WL 4176477 at *1. The ordinance imposed conditions on the operation of pilotless aircraft, in addition to those already imposed by the FAA.12× 12. Ordinances § 20-64; see also 14 C.F.R. § 107 (2018). Singer said that he could not comply with both sets of rules and still fly his drones.13× 13. First Amended Complaint, supra note 2, at 10–12. In particular, the ordinance imposed severe restrictions on drone use below an altitude of 400 feet, Ordinances § 20-64(c)(1)(a), that clashed with the FAA’s ban on drone use above 400 feet from the ground (or any ground structure), 14 C.F.R. § 107.51(b).