14 cfr 91.13 July 8, 2019 16 32 64 128 14 cfr 91.137 14 cfr 91.135 14 cfr 91.131 14 cfr 91.130 14 cfr 91.137 a )( 2 14 cfr 91.133 14 cfr 91.138 14 cfr 91.139 14 cfr part 91.13 14 cfr section 91.137 a )( 2 14 cfr section 91.131 Tfr 14 cfr 91.137 a 3 Tfr 14 cfr 91.137
