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Old 10-15-2006 | 05:12 AM
  #11  
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From: Midfield downwind
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Originally Posted by hatetobreakit2u
whas the formula for a VDP?
Anybody teach the memory aid "Gus wears a hat"? It means:

Height Above Touchdown
------------------------
desired Glide Slope
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Old 10-15-2006 | 05:38 AM
  #12  
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From: 767A (Ret)
Default Pi

Originally Posted by doug_or
Mabybe it has sometihng to do with Pi being 3.1415etc not 2.14? That might get'r'dun.
Mea culpa. I got a "pi" in the face!
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Old 10-15-2006 | 05:02 PM
  #13  
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From: 7ER B...whatever that means.
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Originally Posted by TankerDriver
I was never a trig fan, so I use the 60 to 1 rule, where at 60 DME, each radial is 1 mile apart. So at 15 DME, there are 4 radials per mile. If you're going from 360 to 180 on the 15 DME arc, it'd be 180/4 = 45 NM. I'm not quite sure I understand your equation above because I'm getting 15 NM for a 60 degree change on a 15 DME arc.
Tanker wins! I just did the 1:60 rule but with lots of guesstimating since it was like a 13DME arc along 70 degrees of arc or so. I guess I got it in the ballpark cause the guy asked me how i figured it out and I explained my method but told him im sure my math was off and he just said "OK, I was just seeing if you had a method".

The other method sounds good if you got a piece of scratch paper and a calculator but i think this guy just wanted to see if you could do some basic mental math.
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Old 10-15-2006 | 05:13 PM
  #14  
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From: Engines Turn or People Swim
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Know what the grey areas between airways on low-alt IFR charts are.
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