AirTalk.org Aviation discussions newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  DUAT preferred routes vs. Jepp          AirTalk.org Forum Index -> Instrument Flight Rules View previous topic :: View next topic   Author Message Andrew Gideon Guest Posted: Tue Jul 04, 2006 5:27 am    Post subject: DUAT preferred routes vs. Jepp Planning a flight from CDW to CQX, I found in Jepp one route: BREZY V39 CMK V3 HFD V167 PVD V151 GAILS. DUAT offers another: FALLZ V3 JEWIT V167 PEAKE Am I likely to get the DUAL routing if I request it? I'm surprised that it would yield something different from Jepp. Admittedly, it's not much different but at the ends. And the Jepp route would be easier to enter into a GNS 430 (though the DUAT route would be easy for the 480). But why any difference? - Andrew Back to top Marco Leon Guest Posted: Fri Jul 14, 2006 1:33 am    Post subject: Re: DUAT preferred routes vs. Jepp Are you comparing the DUAT route you get from their Flight Planner function versus the preferred routes listed in the Jepp chart pages? The Jepp preferred routes should be the same as the FAA Preferred routes but in a nicer format. Check out this FAA website: http://www.fly.faa.gov/Products/Coded_Departure_Routes/NFDC_Preferred_Routes_Database/nfdc_preferred_routes_database.html Marco Andrew Gideon wrote: Quote: Planning a flight from CDW to CQX, I found in Jepp one route: BREZY V39 CMK V3 HFD V167 PVD V151 GAILS. DUAT offers another: FALLZ V3 JEWIT V167 PEAKE Am I likely to get the DUAL routing if I request it? I'm surprised that it would yield something different from Jepp. Admittedly, it's not much different but at the ends. And the Jepp route would be easier to enter into a GNS 430 (though the DUAT route would be easy for the 480). But why any difference? - Andrew Back to top Guest Posted: Wed Jul 19, 2006 12:59 pm    Post subject: Re: DUAT preferred routes vs. Jepp I'm not sure about it but here's my guess: The Jepp routes are "preferred routes" put together by ATC that take into account traffic flows. DUAT, however, is independent of ATC and makes up some reasonable route, where "reasonable" was decided by the people who wrote the comptuer algorithm that comes up with routes. Andrew Gideon wrote: Quote: Planning a flight from CDW to CQX, I found in Jepp one route: BREZY V39 CMK V3 HFD V167 PVD V151 GAILS. DUAT offers another: FALLZ V3 JEWIT V167 PEAKE Am I likely to get the DUAL routing if I request it? I'm surprised that it would yield something different from Jepp. Admittedly, it's not much different but at the ends. And the Jepp route would be easier to enter into a GNS 430 (though the DUAT route would be easy for the 480). But why any difference? - Andrew Back to top Dave Butler Guest Posted: Wed Jul 19, 2006 5:49 pm    Post subject: Re: DUAT preferred routes vs. Jepp pate.fe (AT) gmail (DOT) com wrote: Quote: I'm not sure about it but here's my guess: The Jepp routes are "preferred routes" put together by ATC that take into account traffic flows. DUAT, however, is independent of ATC and makes up some reasonable route, where "reasonable" was decided by the people who wrote the comptuer algorithm that comes up with routes. IIRC the DUATS user's guide https://www.duats.com/duats_planner_doc.html at one time claimed that it considered ATC preferred routes in its routing algorithm, but I just looked and I don't see that claim there now. Back to top Andrew Gideon Guest Posted: Tue Aug 08, 2006 1:34 am    Post subject: Re: DUAT preferred routes vs. Jepp On Thu, 13 Jul 2006 13:33:23 -0700, Marco Leon wrote: Quote: Are you comparing the DUAT route you get from their Flight Planner function versus the preferred routes listed in the Jepp chart pages? Yes. Quote: The Jepp preferred routes should be the same as the FAA Preferred routes but in a nicer format. Check out this FAA website: http://www.fly.faa.gov/Products/Coded_Departure_Routes/NFDC_Preferred_Routes_Database/nfdc_preferred_routes_database.html When I'm with my flight gear, I'll have to see how this compares to DUATS and Jepps. Thanks... Andrew Back to top Display posts from previous: All Posts1 Day7 Days2 Weeks1 Month3 Months6 Months1 Year Oldest FirstNewest First         AirTalk.org Forum Index -> Instrument Flight Rules All times are GMT Page 1 of 1   Jump to: Select a forum Aviation----------------alt.aviationAviation safety EnhancementPlanes, gliders and flying in AustraliaAviation et pilotage (Français)rec.aviationAviation (Aerobatics)Hot air, gas balloons and airshipsHang-gliding, paragliding, foot-launched flightAircraft Design & BuildingInstrument Flight RulesAviation (Classifieds)Military AircraftNaval AviationAviation (Miscellaneous Topics)Owning AirplanesAviators (General Discussions)Aviation related productsAircraft RestorationHelicopters and rotary wing aircraftsFlight SimulationSailplanesAviation (Students)Light aircraftFlying related activities in the UK Airports----------------alt.airportsEdinburgh Airport Glasgow Airport Humberside Airport Luton Airport Aberdeen Airport Glasgow Prestwick Airport  You cannot post new topics in this forum You cannot reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You cannot vote in polls in this forum Powered by phpBB © 2001, 2006 phpBB Group SEO toolkit © 2004-2006 webmedic.