Temporary flight restrictions (TFRs).
Series: Advisory circular -- AC no. 91-63B.
Publisher: U.S. Dept. of Transportation, Federal Aviation Administration
Published: 1997
Place of publication: [Washington, D.C.] (800 Independence Ave., S.W. Washington 20591)
Language: eng
Subjects: Aeronautics -- United States -- Safety measures.; Aeronautics -- Safety regulations -- United States.
Notes: Caption title.

"Advisory circular, AC 91-63A, Temporary flight restrictions, dated October 31, 1990, is canceled"--P. [1].

Shipping list no.: 97-0120-P.

"2/27/97."

Includes bibliographical references (p. [1]).