Practical air navigation.
Edition: 9th ed. [Commercial ed.]
Publisher: Weems System of Navigation
Published: 1963
Place of publication: Annapolis, Md
Language: eng
Number of pages: 297
Subjects: Navigation (Aeronautics)
Notes: "The first edition of Practical air navigation was issued in 1935 as a ... Special publication of the Coast and Geodetic Survey ... In 1940 it was issued as Civil aeronautics bulletin, no. 24."