WHAT'S THE DIFFERENCE?!?!

Flight Simulator 2002. Questions, suggestions, problems or solutions... aim here!

WHAT'S THE DIFFERENCE?!?!

Postby asda_price » Fri Nov 21, 2003 2:04 pm

HI THERE! I am very frustrated and confused. What is the difference between the NAV HOLD switch and the APPROACH HOLD swith. This is on the B744.
asda_price
 

Re: WHAT'S THE DIFFERENCE?!?!

Postby OTTOL » Fri Nov 21, 2003 2:13 pm

In depends on what TYPE of approach you are doing. If it's just a VOR or localizer approach, either one will perform the same function: enable the autopilot to follow the course which you have set. The next step is a little tricky. If you are flying an ILS approach, SOME autopilots require that you engage the NAV button, and then once you are centered on the Localizer, engage the APP(approach)button to enable Glideslope capture. The autopilot will now follow the glideslope when it centers. More modern autopilots will capture Loc AND GS when the APP button is engaged. You will also find that if the approach intercept angle is to extreme(re: horizontal guidance), due to strong wind, bad vector etc. .   You MAY have to use the heading bug to align the aircraft and THEN engage the APP button.
Last edited by OTTOL on Fri Nov 21, 2003 2:14 pm, edited 1 time in total.
.....so I loaded up the plane and moved to Middle-EEEE..........OIL..that is......
OTTOL
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