Sign In  
  Sign Up  
  Popular - Categories
  Popular - All Uploads
  Recent - Categories
  Recent - All Uploads
  Random Upload
  Contact NewTube  
About NewTube  
  Support NewTube
-30  
-15  
-5  
-1  
+1  
+5  
+15  
+30  
The real horizon which is at eye level has to match the artificial horizon instrument in order for the plane to fly level never accounting or dropping for the curvature!
File Size: 4 MB
Category: Technology & Science
No Comments Yet