Digest of civil air regulations for pilots.
Edition: 4th ed., January 1941.
Series: Its Civil aeronautics bulletin; no. 22
Publisher: U.S. Govt. print. off.
Published: 1941
Place of publication: Washington
Language: eng
Number of pages: 71
Subjects: Aeronautics -- Law and legislation -- United States.
Notes: At head of title: United States Dept. of commerce.  Civil aeronautics administration, Washington, D. C.