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Old December 26th 12, 12:26 AM posted to rec.aviation.ifr
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Default Where are VASIs located on a field ?

Where are VASIs located on a field that doesn't have an ILS ? Is it a certain number of feet from end of runway ? Does it depend on runway length ? If you want to land on a short runway when is it safe to dip below VASI ? Must there be a certain number of hundreds of feet from the threshold clear of obstructions ? Clearly you don't want to cross the threshold at 50 feet if you are flying , e.g. a Mooney onto a 2300 foot field, you'll waste the first 1000 feet...