Aircraft engine type certification handbook. 

 - [Washington, D.C.,  1972]. 
 - v. 
<br/><br/> 6/5/72.  CRDP Program Historic Shelflist record. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Airplanes--Motors--Certification--United States--Handbooks, manuals, etc.
<br/><br/><label>Gov. Doc. Class. No.: </label>TD 4.8/5:140-33-2 A