Civil Air Regulations
- Part 00—Aircraft Registration Certificate
- Part 00, effective 1 November 1937
- Part 40—Air Carrier Operating Certification
- Part 40, effective 1 November 1942
- Part 40, effective 10 July 1946
- Amendment 40-1 (1943)
- Amendment 40-1 (1947)
- Part 99—Mode of Citation of Regulations
- Part 99, effective 15 November 1940
This work is in the public domain in the United States because it is a work of the United States federal government (see 17 U.S.C. 105).
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