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Old 8th February 2004 | 19:46
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Timothy

Sub Judice Angel Lovegod
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Joined: Oct 2002
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From: London
trying to fly one on old fashioned instruments used to make my brain hurt!.
There has also been a discussion about DME arc on the Flyer Forums where people have also been saying they are difficult.

I don't know if I am missing a trick here, or if I could finally make my fortune by teaching DME arcs, but I honestly don't understand what is so difficult about them. I am not showing off, or being arrogant, I just can't see the problem.

The one I know best is Biggin. You turn at ALKIN at rate one, at the correct DME, and you end up on the arc +/- .3 mile depending on wind. If the number on the DME exceeds 7 you turn left a bit, if it is less you fly straight a bit (or, if it gets to be a big error, you might even turn right.)

You treat it exactly the same as the ILS or a VOR radial. As you get close the desired arc you reduce the correction and, well, just go on like that until you reach the radial that indicates the turn onto the ILS (or VOR inbound).

Maybe someone could tell me why this is so difficult? As I say, I am not bragging or willy waving, I just don't see what is so difficult. Please explain it to me.

Timothy
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