Basic helicopter handbook-Rev. 

 - [Washington, D.C.,  19--?]. 
 - v. 
<br/><br/> AC-61-13 A.  CRDP Program Historic Shelflist record. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Helicopters--Handbooks, manuals, etc.
<br/><br/><label>Gov. Doc. Class. No.: </label>TD 4.8/5:61-13 A