Problem with Glide Slope??

Adding Aircraft Traffic, airport gates, etc, to your Sim - AFCAD, TTools, Project AI, AI Aircraft, etc

Problem with Glide Slope??

Postby Simviation2003 » Fri Aug 29, 2003 2:17 am

Hello Fellow Aviator's,

Could anyone tell me what's needed to set up the Glide Path so my aircraft (and AI) land at the threshold, and not 2/3 of the way up the runway?
I've checked the setting with other airports and have tried to use the exact setting to no avail.
In your opinion, where should the glide path/DME be place in comparison to the runway?

Any advice would be most appreciated.

SV2003
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Re: Problem with Glide Slope??

Postby emh8 » Fri Aug 29, 2003 2:21 pm

SV2003,

This sounds like a continuation of our previous thread  about adding ILS..............

Most glide slopes that I have seen in AFCAD are located at the far end of the runway with a 3-degree projection angle.  This might not work for all airports - sometimes it's a matter of trial and error to figure out what works best.  The best way of testing the glide slope is to tune the ILS frequency in NAV1 and use slew mode to see if the angle is appropriate.

Adding ILS to a runway in FSSC as we discussed will have no effect on the behavior of AI traffic, as it is an addition to the scenery rather than the AFCAD file.  How an AI aircraft behaves on approach is a function of its .air file.   Also keep in mind that there are a lot of aircraft out there that aren't designed for AI traffic use!

Good luck!

Erik :)
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Re: Problem with Glide Slope??

Postby Simviation2003 » Fri Aug 29, 2003 6:04 pm

Thanks emh8

I've tried all but at the farthest end of the runway (sounds pretty orthodox) but will definitely give it a shot.

I understand what you mean about AI and their suitability of alot of aircraft out there.
I must admit, I have a couple floating on the surface, (no landing gear) which I'm happy to accept.
Are these types of aircraft (not really suitable for AI), have any damaging affect on the system performance and or frame rates?

Thanks Again

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Re: Problem with Glide Slope??

Postby emh8 » Fri Aug 29, 2003 10:50 pm

SV2003,

In general, the more AI aircraft you have in the frame, the lower the frame rate is going to be.  And yes, some aircraft can kill frame rates all by themselves.
Last edited by emh8 on Fri Aug 29, 2003 10:53 pm, edited 1 time in total.
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Re: Problem with Glide Slope??

Postby Simviation2003 » Sun Aug 31, 2003 5:53 am

Thanks mate,

I've downloaded aircraft from all 3 of those sites.
Thanks for the advice on size of Mb etc.
I have checked and replaced some aircraft that were large in Mb's and things are going a little steadier.

(I've also fix my glidepath problem as well)
Thanks again

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Re: Problem with Glide Slope??

Postby bdenni » Sun Aug 31, 2003 4:58 pm

The localizer is situated at the far end of the runway that it is designated for meaning the beam travels the entire length of the runway towards the approach side of the runway and out to its transmission limits. (For a Runway 27 approach from east to west, the localizer is at the west end of the runway.)  

The glide slope transmitters are located about 200 feet from the centerline of the runway near the target touchdown point on the runway.  If the target is 500 feet down the runway, the glide slope would be located either left or right of the runway.  It's "beam" is then focused typically for a 3 degree slope from that point out to the limits of its transmitter.

The ILS in the aircraft takes both of these tranmissions to display the aircrafts position in relation to the localizer and glide slope.

Hope this clears things up.
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Re: Problem with Glide Slope??

Postby emh8 » Mon Sep 01, 2003 11:15 am

Very informative........................ :)
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