Calculators |
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DavidBunin
Senior Member Joined: 20 May 2015 Location: Rockwall, TX Status: Offline Points: 742 |
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Posted: 10 Sep 2017 at 11:43am |
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I noticed two things the other day while trying to use the Calculators function in my IFD. Maybe I knew about this before (when the pilot guide was freshly-studied material in my mind) but not now.
When setting up the Air Data Calculator, the heading won't go through zero. My heading was something like 020 on this flight, and the last time I used the calculator it was 350. The IFD would not let me go "right" through 359 to get from 350 to 020. I had to go "left" all the way around the dial. Once I had it set up, my Headwind was shown as -17 Kts. Why doesn't it change to "Tailwind"? Maybe some details to consider for a future software release? David Bunin |
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Gring
Senior Member Joined: 30 Dec 2011 Location: Kingston, NY Status: Offline Points: 724 |
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I use the calculator on every flight, and yep, it works exactly as you describe.
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teeth6
Senior Member Joined: 10 Mar 2014 Status: Offline Points: 741 |
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Hi David,
That is how it indicates a tailwind. It displays with a "minus" sign. -17 is a tailwind and if it were a headwind it would be just 17 (no minus sign) |
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oskrypuch
Senior Member Joined: 09 Nov 2012 Location: CYFD Status: Offline Points: 3058 |
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That is kind of a convention with FMSs. * Orest |
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DavidBunin
Senior Member Joined: 20 May 2015 Location: Rockwall, TX Status: Offline Points: 742 |
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That's a shame. Maybe it's time to change the convention. David
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