SIDs and IFD540
Printed From: Avidyne
Category: Avidyne General
Forum Name: IFD 5 Series & IFD 4 Series Touch Screen GPS/NAV/COM
Forum Description: Topics on Avidyne's IFD 5 Series and IFD 4 Series Touch Screen GPS/NAV/COM
URL: http://forums.avidyne.com/forum_posts.asp?TID=605
Printed Date: 05 May 2024 at 8:37pm
Software Version: Web Wiz Forums 12.01 - http://www.webwizforums.com
Topic: SIDs and IFD540
Posted By: roltman
Subject: SIDs and IFD540
Date Posted: 17 Mar 2015 at 9:03am
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I flew the ELVIS2.EONEE SID out of KMEM on Sunday and noticed a couple things. 1. The IFD540 appears to have the turbojet headings in it. Is there a way to trigger or enable those of us not burning JetA to get the non-turbojet routes? Example, look at the heading for the ELVIS2 SID for a 36C departure, it should be 045 not 010 for non-turbojets. 2. I departed runway 27, and while I got the 800' waypoint and the Vectors waypoint, I actually expected a 071 radial waypoint of MEM to EONEE, but that didn't exist. Is there a reason that wasn't provided here? |
Replies:
Posted By: oskrypuch
Date Posted: 17 Mar 2015 at 9:15am
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Just had a look out of curiosity, and odd, I don't see the initial headings off the runway at all in the simulator, just MEM and then to your transition. * Orest |
Posted By: roltman
Date Posted: 17 Mar 2015 at 9:41am
You only get the headings if you put the departure runway in on the KMEM fix. It works nicely. Load the SID when you get the clearance. Then put the runway in on the KMEM fix when ground gives you a runway for taxi. You can change the runway and the waypoints and headings change, it's pretty cool. The simulator seems to be okay just with the ELVIS1 instead of the ELVIS2 as the data's out of date. You can't fly it with the sim as it requires vectors though. |
oskrypuch wrote:Posted By: oskrypuch
Date Posted: 17 Mar 2015 at 10:37am
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Got it. * Orest |
Posted By: AviJake
Date Posted: 21 Mar 2015 at 11:19am
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Reference issue #1, here's the answer from Jeppesen as to whether we can get the 045
degree heading for non-turbojets.
"ARINC 424 currently does not make provision for capturing both
the turbojet and non-turbojet flight tracks for a given transition as a result
we can only capture one. Our coding specifications indicate that in these
situations we will capture the turbojet version." Reference issue #2, The ELVIS2 departure from runway 27 has three legs. The first is a climb on runway heading. That's not really shown on the chart, but it's driven by rules that Jeppesen has to follow when coding the procedure into the database. The second leg represents the 271° heading that you see on the chart. While the initial course shows 271°, in reality the leg is there to represent ATC vectors to intercept the next leg. The FMS doesn't know when it's going to end, so that's why it says "Manual Termination". When it's time to proceed to EONEE, you'll have to activate the leg by doing a direct-to and use OBS mode to achieve the 071° radial to the waypoint. If you just happened to be eastbound over the MEM VOR when you do a direct-to EONEE, you could skip the OBS mode since you would already be close enough to the right course.
As a future enhancement, we'll look at modifying the FMS to represent the actual leg from MEM to EONEE so that you can
activate it without having to go direct-to EONEE. That would eliminate
the need for you to use OBS mode and a coupled autopilot would smoothly capture
the radial outbound. ------------- Steve Jacobson sjacobson@avidyne.com |
Posted By: roltman
Date Posted: 23 Mar 2015 at 9:42am
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Well, ARINC 424 rev18, the last rev I have at my fingers, does have a provision (sec 5.221) for aircraft type; however it is currently only used for preferred routes. There appears to still be some spare columns on the SID/STAR/Approach Primary Records which could allow for this feature to be incorporated. Steve, as for flying this SID, the OBS setting was the only thing I could think of too; however, how about putting HDG mode back in the box? That'd facilitate this scenario, allowing one to program MEM -> EONEE on the ground, and then use the HDG to transition to that leg via ATC vectors. Just out of curiosity, what rev of A424 does the IFD540 support and how do future A424 updates get into the IFD540? |