Pan American Navigation Service 

 - Second Edition 
 - 56 pages :  illustrated ;  28 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aeronautics--study and teaching<br/>Airplanes--Piloting<br/>Navigation (Aeronautics)
<br/><br/><label>Dewey Class. No.: </label>629.13254