629.525  / L989p9 <br/>
Lyon, Thoburn Cassady <br/>
       PRACTICAL AIR NAVIGATION 
 / 
 .- 9th commercial 
 .- Annapolis, Md.: Weems System Of Navigation,  1963 
 .- 297 . 
<br/>The First Edition Of Practical Air Navigation Was Issued In 1935 As A...Special Publication Of The Coast And Geodetic Survey...In 1940 It Was Issued As Civil Aeronautics Bulletin, No. 24 
<br/><u>Subject Headings:</u> <br/>Navigation (Aeronautics);
<br><U>Copy Details:</u><br> Acc. No.: <b>54765</b>, Full Call No.: 629.525 L989p9,   Item type:  Written-off , Location: , <br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>