Simviation Forum - ILS approach problem

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Simviation Forum › Old Flight Simulator Series › FS 2002 › ILS approach problem

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ILS approach problem (Read 280 times)

Mar 19^th, 2004 at 1:18pm

Mandrake Offline
Colonel

Posts: 20

I am having a problem with using the ILS approach. I key the frequency of the runway into NAV1 and set the ILS heading into the autopilot course, and when the glideslope appears, I hit the Approach button.

The plane (a 737) approaches the airport for a minute or so, then when it gets near, it turns away from the airport and just flies straight on after that.

What am I doing wrong?

Thanks in advance

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Reply #1 - Mar 19^th, 2004 at 4:35pm

jrpilot Offline
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Try waiting till about a few seconds out..or just do it with outpilot...or the sometimes difficult manual

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Reply #2 - Mar 19^th, 2004 at 4:45pm

Aviator Offline
Colonel
I love YaBB 1G - SP1!

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Posts: 16

Hi there....

mmmmm...you are catching the glideslope before the localizer! this is not the way to do it.

what you need to do is to position your self of the localizer by 30-45 Degrees at 15-20 nautical miles away.

maintain the offset heading(30-45deg) ...and press the APP button ...once the localizer start to move,the heading mode will be disengaged and the APP mode will take over to fly the aircraft heading ...and then the aircraft will fly the runway extended center line till the glide slope starts to move...and once the glide slope is half way down...the ALT mode will be dis-engaged making the aircraft starts it's descent to the runway.

Rule Of Thumb: for every 1 nautical mile you need 300feet on the ILS... i.e at 3000feet(above ground level) you will be establishing the glide slope at 9-10nautical mile from touchdown.

just remember ....keep a good speed for your approach.
and remember DON'T catch the glideslope before the localizer.

i hope every thing i said is valuable for ....and let me know how it goes.

regards.

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Reply #3 - Mar 19^th, 2004 at 5:49pm

Mandrake Offline
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Posts: 20

Now I see, you have to wait until you are properly established and near-centered on the localiser before you start the ILS approach.

Thanks Grin

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Reply #4 - Mar 20^th, 2004 at 3:30pm

Aviator Offline
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I love YaBB 1G - SP1!

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You have to be ON the Center line ...at 15-20nm and then wait for the glide slope to start your descent.

You have to be ON the center line not near Wink

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Reply #5 - Mar 20^th, 2004 at 3:58pm

serdarbadoglu Ex Member
I love YaBB 1G - SP1!

It's just because you finished your route. Watch your route on the gps and disable "nav" mode when you are about 0.5-1.0 miles away from the end of your route and keep your decend rate manually or by using "hdg" and "alt" modes together. You'll land safely. Wink

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Reply #6 - Mar 22^nd, 2004 at 9:00pm

jergar999 Offline
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I love YaBB 1G - SP1!

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Also make sure that the selector switch is set to NAV and not GPS.

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Reply #7 - Mar 24^th, 2004 at 11:37am

Speedbird_12T Offline
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I love YaBB 1G - SP1!

Posts: 9

No matter wot aircraft im in i just loose Altitude straight away do i need to control this myself??

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Reply #8 - Mar 26^th, 2004 at 3:18pm

garymbuska Offline
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I would rather be flying
Jacksonville, Florida

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Posts: 2850

The approach setting is not a auto land it will get you over the thresh hold but not on the ground you will have to put the plane on the ground yourself. Granted it should just about land itself if you did it right. But for what it is worth I never use the approach setting I fly them manually it is not that hard the trick is speed and angle of attack and proper use of flaps.

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