14 cfr 21.19 July 8, 2019 16 32 64 128 14 cfr 21.191 14 cfr 21.197 14 cfr 21.190 14 cfr 21.199 14 cfr 21.193 14 cfr 21.195 14 cfr part 21.193 14 cfr § 21 14 cfr § 21.95 14 cfr 21.93 14 cfr 199
