Procedures for handling airspace matters handbook, change 1. 

 - [Washington, D.C.,  1974]. 
 - [46] p. :  ill. 
<br/><br/> [Dec. 17, 1974].  4to.  [Effective Apr. 1, 1975. Issued with perforations].  Distribution made by issuing office.  CRDP Program Historic Shelflist record. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Airspace (Law)--United States--Handbooks, manuals, etc.
<br/><br/><label>GPO Item No.: </label>0431-C-04 
<br/><br/><label>Gov. Doc. Class. No.: </label>TD 4.8/2:7400.2 B/CH.1