Announcement of availability of summary of airworthiness directives. 

 - [Washington, D.C.,  1978]. 
 - v. 
<br/><br/> 3/6/78.  CRDP Program Historic Shelflist record. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Airplanes--Airworthiness.--United States
<br/><br/><label>Gov. Doc. Class. No.: </label>TD 4.8/5:39-6 F