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Found a bug when adding SID to flight plan
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jimmyz80 View Drop Down
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    Posted: 23 Aug 2017 at 12:12am
Just thought I'd toss this out here in case anyone else gets confused by it, and in hopes that it's yet another bug that can be patched in 10.2.1...

I was preparing for departure from KAVL, and had loaded/activated a simple flight plan of KAVL BZM KTTA.  Then clearance gave me the Asheville 5 SID, so I tried to add it to my origin of KAVL in the FMS route screen.  The IFD let me, and it inserted the appropriate legs, but my leg to BZM was still highlighted in magenta (active).  There was no way to go back and activate the first leg of the SID.

The only way I got this to work was to remove the whole flight plan and start over, adding the SID before adding any fixes beyond it.
2006 Cirrus SR22 - IFD540 IFD440 DFC90 AXP322 MLB100
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DavidBunin View Drop Down
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Originally posted by jimmyz80 jimmyz80 wrote:

I was preparing for departure from KAVL, and had loaded/activated a simple flight plan of KAVL BZM KTTA.  Then clearance gave me the Asheville 5 SID...


The solution is to not activate your flight plan.  The IFD will do that automatically on takeoff.

If the flight plan has not been activated, there will not be an active leg.  It should accept the SID entry.

David
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jimmyz80 View Drop Down
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Originally posted by DavidBunin DavidBunin wrote:

Originally posted by jimmyz80 jimmyz80 wrote:

I was preparing for departure from KAVL, and had loaded/activated a simple flight plan of KAVL BZM KTTA.  Then clearance gave me the Asheville 5 SID...


The solution is to not activate your flight plan.  The IFD will do that automatically on takeoff.

If the flight plan has not been activated, there will not be an active leg.  It should accept the SID entry.

David


The solution is to not write software that has some legs able to be activated and other legs not able to be activated.
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DavidBunin View Drop Down
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Points: 742 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DavidBunin Quote  Post ReplyReply Direct Link To This Post Posted: 01 Sep 2017 at 12:59pm
Okay.

I was trying to offer a solution to the pilot.
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jimmyz80 View Drop Down
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Points: 86 		Post Options Post Options   Thanks (0) Thanks(0)   Quote jimmyz80 Quote  Post ReplyReply Direct Link To This Post Posted: 02 Sep 2017 at 3:52pm
Originally posted by DavidBunin DavidBunin wrote:

Okay.

I was trying to offer a solution to the pilot.



I respectfully don't consider that a solution.  I want to have my flight plan active, and have reviewed its guidance for the current and next legs before I take off (especially into IMC).  I hate the feeling of noticing/debugging something abnormal during a critical phase of flight.


Edited by jimmyz80 - 02 Sep 2017 at 3:53pm
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AviSimpson View Drop Down
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The FMS will not allow a leg to be activated if it cannot be sure that it will provide guidance to the intended path. The only two legs in the Asheville5 SID are heading-to-altitude and heading-to-manual-termination legs. Those legs have neither a defined starting point nor a defined end point, in terms of lat/lon. If you were to activate the first leg and be anywhere except on the intended runway, the FMS would simply guide the aircraft to the specific heading, which would not be the path intended by the published procedure. Therefore, we don't allow you to activate those particular kinds of legs that are dynamic in nature. We would rather provide *no* guidance than to provide *incorrect* guidance.  
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tony View Drop Down
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Shouldn't the IFD put up an advisory stating as such?
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AviSimpson View Drop Down
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There is a section in the pilot guide that covers this. Section 5-4 (Navigation) IFD540 Rev 04 PG
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