CFR 14-135.297-2014
航空和航天. 第135部分:通勤和按需运营和管理登上该飞机上的人的规则. 第135.297节:机长:仪表熟练检查要求.
Aeronautics and Space. Part135:Operating requirements: Commuter and on demand operations and rules governing persons on board such aircraft. Section135.297:Pilot in command: Instrument proficiency check requirements.