No que diz respeito às operações da transportadora aérea nos EUA, o 14 CFR 121.481 requer:
(e) No pilot may fly as a member of a crew more than 100 hours during any one calendar month.
(f) No pilot may fly as a member of a crew more than 1,000 hours during any 12-calendar-month period.
14 CFR 135.265 comutador:
(1) 1,200 hours in any calendar year.
(2) 120 hours in any calendar month.
Sob a Parte 91, operações fracionárias, 14 CFR 91.1059 declaram:
(a) No program manager may assign any flight crewmember, and no flight crewmember may accept an assignment, for flight time as a member of a one- or two-pilot crew if that crewmember's total flight time in all commercial flying will exceed -
(1) 500 hours in any calendar quarter;
(2) 800 hours in any two consecutive calendar quarters;
(3) 1,400 hours in any calendar year.
Caso contrário, não há limite direto sob a Parte 91. No entanto, se você estiver cansado o suficiente para causar um problema, a FAA ainda poderá cobrar você sob regras gerais de "operação insegura".