by mjrhealth » Fri Aug 10, 2007 8:17 pm
Hi, most runways have a VASI lighting sytem, thats the red and white lights at beggining of threshold. There are two types, one has a red / white light system that basically works by like this. If all the lights are red then you are too low if half are red and half are white then you are on glide slope ( abt 500 FPM for 3deg glide slope ) if they are all white then you are too high. I normally set my descent rate using the throttle just adjust your speed untill you settle at correct descent rate. The other lighting system consits of all white light in a T. You basically set your descent rate so you only see the horizontal part not the vertical part. Once you have done this a few times you should be able to do a visual approach without the landing aids. Try to get to 2000 ft at 5 miles out that should put you under / below glide slope, ie all lights are red, as soon as you see half / half reduce speed and adjust it to sit on the glide slope. You should aslo check aircraft specs for ladding speeds and gear down , flap down speeds, it makes it so much easier. Only thing to watch for on small planes is that on some when you lower flaps will pull the nose up so you will need to counter with some nose down on the yoke. There are some aiports like London City that has I believe a 6deg glide slope, makes for a challenge.
Hope this helps
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