Boeing 777-200 Tutorial/KSFO-KLAX: Difference between revisions

, an NDB (Non Directional Beacon )that allows the ADF instrument to point to  the aerial that is tuned at a specified  frequency . So..no matter what direction you are travelling in ...the needle points to the station . The RMI (a VOR beacon is used )is similar but has more information...it points to a selected direction 0-360 to the beacon you which once the needle is pointing at twelve o' clock or straight forward toward your selected VOR ( vor = Vhf {very high frequency) Omnidirectional Range-finder )you can press F12 and enter your current heading , in the course box on the nav 1 line , it should read 280 by default change that to the heading  you are on when the needle is nicly pointing forward  ie 12 bells this willset OBS line on the right screen (Radio Magnetic Indicator or RMI for short) ...try this on the long legs of this trip , you need to do this ! All of these instruments are combined in the left screen of the 777-200ER