Looking forward  :  aviation 2050 : hearing before the Subcommittee on Aviation of the Committee on Transportation and Infrastructure, House of Representatives, One Hundred Sixteenth Congress, first session, March 12, 2019. 

 - 1 online resource (xii, 73 pages) 
<br/><br/> "116-6."  GPO Cataloging Record Distribution Program (CRDP). 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Corporate Names: </label><br/>United States. Federal Aviation Administration --Rules and practice.<br/>United States. National Aeronautics and Space Administration. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aeronautics, Commercial--Technological innovations--United States.<br/>Aeronautics, Commercial--Economic aspects--United States.<br/>Aerospace industries--Technological innovations--United States.<br/>Drone aircraft--United States.<br/>Aeronautics--Safety measures.--United States<br/>National Airspace System (U.S.)
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Legislative hearings.
<br/><br/><label>LC Class. No.: </label>KF27  / .P89624 2019b 
<br/><br/><label>GPO Item No.: </label>1024-C-01 (online) 
<br/><br/><label>Gov. Doc. Class. No.: </label>Y 4.T 68/2:116-6