Advisory Circular - Flight Operational Quality Assurance(PDF). U.S. Department of Transportation - Federal Aviation Administration: 5. 4 December 2004 [10 October 2011]. (原始内容存档(PDF)于2019-07-12).引用错误:带有name属性“FAA-FOQA”的<ref>标签用不同内容定义了多次
Advisory Circular - Flight Operational Quality Assurance(PDF). U.S. Department of Transportation - Federal Aviation Administration: 5. 4 December 2004 [10 October 2011]. (原始内容存档(PDF)于2019-07-12).引用错误:带有name属性“FAA-FOQA”的<ref>标签用不同内容定义了多次