Practical air navigation.
Edition: 6th ed.
Published: 1948
Place of publication: Silver Spring, Md
Language: eng
Number of pages: 356
Subjects: Navigation (Aeronautics)
Notes: "Selected texts related to air navigation": p. 348-350.
At head of title: Commercial ed.
The first three editions were issued as Coast and Geodetic Survey Special publication no. 197, and the 4th and 5th, designated as 1st and 2d editions, were issued as Civil aeronautics bulletin no. 24 of the Civil Aeronautics Administration.