PPRuNe Forums - View Single Post - ILS Categories. Do I have the right idea?
Old 9th Jan 2012, 11:36
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peterh337
 
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Maybe not but the airport facilities (i.e. runway etc..) are dead accurate...even so when you roll over the numbers, you roll over them on the screen.
I wonder how that was achieved. Are you talking of SV i.e. a synthetic view produced from a GPS database, or an image intensifier or an IR camera image?

If the former is spot on, that suggests that somebody put the runways in exactly right. But what about the surrounding terrain? My guess is that somebody spent time on "adjusting" the terrain around specific airports, so the runway actually lines up with the ground next to it

This won't have been done worldwide.

But just as illegal and dangerous.
Only if you have the other options

Obviously one should not be there in the first place. But SV would be good for the case of e.g. an engine failure above an overcast. I know there are people who would argue one should never fly SE above an overcast unless the cloudbase down below is 1000 / 10000 / 100000 feet or whatever, but that stops much SE flying and is a whole other argument.
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