A PMA is effective until surrendered, withdrawn, or the FAA otherwise terminates it.
authority: 42 U.S.C. 7572;
49 U.S.C. 106(f), 106(g), 40105, 40113, 44701-44702, 44704, 44707, 44709, 44711, 44713, 44715, 45303; Sec. 102, Pub. L. 116-260, 134 Stat. 2309
cite as: 14 CFR 21.313