14 cfr 43 July 8, 2019 16 32 64 128 14 cfr 43.9 14 cfr 43.9 return to service 14 cfr 43 appendix d 14 cfr 43 appendix e 14 cfr 43 appendix a part c 14 cfr 43.3 d 14 cfr 43.11 14 cfr 43.13 14 cfr 43 appendix a 14 cfr 43.3 14 cfr 43.7 14 cfr 43 appendix b 14 cfr 43.15 14 cfr 43.16 14 cfr 43.12
