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The Prepar3d Forum

The Prepar3d Forum is a forum for Lockheed's Prepar3d simulation software. Quoting Lockheed Martin; "Prepar3D furthers the development of Microsoft® ESP while maintaining compatibility with Microsoft Flight Simulator X, allowing many thousands of add-ons to be used within Prepar3D."  This forum is for general user-to-user discussions.  Official support for this product can be obtained at Lockheed Martin.  Website - https://www.prepar3d.com/

  1. Started by AndreNr22,

    Hey guys, i fell in love with the Beechcraft B60 Duke sometime ago. Now i rememberd that RealAir published one for FSX/P3D. So i wanted to purchased it, but i can't find it anywhere. Can somebody help me or did they took it off? Cheers Andre

    • 3 replies
    • 1.1k views
  2. Started by Slick9,

    Hi all, I remember back when Henrik released his final batch of ships there were a few oil derrick support ships and some mobile ship derriks included with them. Does anyone know where these vessels ply their trade? I want to get out with a chopper and take a look at them, but i'd like to narrow the search area down first. Thnx for any ideas... Richard

    • 3 replies
    • 1.2k views
  3. Started by Christopher Low,

    I have been using the GP Editor in Airport Design Editor to add additional markings to some of my airfields, but there is one that appears to be missing from the database. This is the taxiway shoulder marking (the one that is basically a double yellow line with short, closely spaced yellow lines on the outside, and perpendicular to the double yellow line). Does anyone know how to create this in the ADE GP Editor? Am I supposed to use a separate option next to the double yellow line, or is there a specific texture that can be used for this purpose? I do not see anything obvious in the ADE GP database.

  4. Hi guys, I have been practicing the aerosoft a320 a lot lately. I have a question about the autopilot not following the altitude constraints in the mcdu? If my first constraint is let's say 4000 ft should I choose 4000 with the altitude knob en press it? My next wat point is 6000 altitude constraint but I have still 4000 dialed in. The plane does not automatically go to 6000 ft although the flightplan says so. Should I dial in 35000 ft for example in the fms and let the plane decide to climb at each waypoint untill the constraints are over? I'm a bit confused. I thought the plane just followed the exact flightplan with its constraints but appa…

    • 6 replies
    • 16k views
  5. I am having issues with frame rate loss when undocking pop-up windows in Prepar3D v4.5 (e.g. PFDs) and dragging to another monitor. Approximately 20-30% loss in fps occurs. There have been many posts on this subject over the years and I have followed the fixes which some allege to have resolved this problem to no avail. A question to the community: is a reduction in frame rate an inevitability with undocking pop-up windows in Prepar3D v4.5, or do most folk claim little or no significant frame rate loss? This is a bit of a game killer for me with such things as undocked PFDs or, e.g. undocking the VoxATC panel as it is preferential to have such things dragged across t…

    • 27 replies
    • 7.6k views
  6. Started by knowlep,

    I want to uninstall V4 and keep V5 but I have the old PMDG 737, the new PMDG 737 NGXU and 747 in V4. I also have the new PMDG 737 NGXU and 747 in V5. I don't know whether they are linked in any way. Does anybody have any suggestions for the process of removing V4 completely without upsetting any PMDG plane installation?

  7. Started by mohd992,

    Hi All, I have active sky for P3D V4.5 installed, although it is working perfectly, I have a strange thing where I can't figure which runways are in use for OTHH (Addon Airport), as it shows as NA, anybody knows how to fix this. Thanks

    • 0 replies
    • 549 views
  8. New Prepar3d user, V4, I have FPS locked at 60 (refresh rate), vsync on, I'm getting screen tearing especially when panning head around w/ trackir. Brought fps down to 30, same thing. I have NVI however I am using only prepar3d settings, I don't have an NVI profile activated. Any ideas?

    • 12 replies
    • 7.1k views
  9. Started by Wanthuyr Filho,

    Just opened the app to change some textures and nothing is showing up, it's just blank. Anyone knows what causes this? Thanks.

  10. Started by blaunarwal,

    https://orbxsystems.com/forum/topic/204169-lwsk-skopje-international-airport-for-prepar3d-v4-freeware/ also for v5

    • 5 replies
    • 1.9k views
  11. Started by Joseph29,

    I have installed FlyTampa's Buffalo scenery into P3D v5.1 (with hotfix 1) and it works except for 1 building floating in the air (it's the Mercy Flight building located near the control tower). I don't have any mesh installed or any Orbx products installed. Is there a fix for this? Or should I just live with it?

    • 6 replies
    • 1.2k views
  12. Started by DuduGuimaraes,

    Hello guys. I've just come across this tool - https://www.flightcrewsim.com/opt-boeing-737-800ng-fcs-en/ I've been using TOPCAT since the beginning, but I hate that it is dead. How accurate is FCS's tool ? It gives me very different calculations when comparing to topcat, for instance: 737-800w taking off from KMIA 09, winds calm, 15C, 29.92, TOW 65.000 kgs, flap/thrust optimum, AIr Con ON, Anti-ice OFF: TOPCAT - FLAPS 1, TO2, assumed temperature 40C, N1 87.9%, 146,147,151 FCS - FLAPS 1, TO2 assumed temperature, assumed temperature 55C, N1 91.1, 141,143,154 Cheers Eduardo

  13. Started by BWBriscoe,

    Hi... Is there any decent scenery of the Maldives including the airport at Male for v5? Thanks

    • 5 replies
    • 4.1k views
  14. Started by cmdn,

    Hi, Does everyone has this whitish looking sky in p3D with EA+HDR? Any work around ? I tried to disable HDR and it does look bluer.( but I’d like to keep EA) I also forced HDR off and EA on using the cfg file. But the issue is without HDR the clouds look pixelated.. thanks Chris

  15. Started by jjgp101,

    On my desktop computer I use P3Dv5 and alternatively P3Dv4 without problems but on my laptop I only have P3Dv4 installed which until about a couple of months ago it also worked without problems. Since that time, every time I start P3Dv4 and shortly after trying, the program will automatically stop starting and the computer returns to the desktop. The only solution I have found is to uninstall the P3D v4 Academic Client and also answer affirmatively to the question if I want to deactivate the installation, since if I answer negatively the problem will not be solved. Once uninstalled, I must reinstall it, which asks me if I want to activate it .... I answer a…

  16. Started by newtie,

    Hi- The pic below is at ORBX KSAN at dusk, DL on.. You can see the static ac are fully lit, but the AIG ac are very dark. I've done some troubleshooting. I've tried P3D dynamic lighting on/off, KSAN configurator DL on/off, iniBuilds on/off, everything off (AIG ac lighter, but still darker than static). Is this an issue with how ORBX treats ac at this particular airport, or is this an issue with the ac themselves? Thanks, Mark json format checker

    • 4 replies
    • 1.5k views
  17. Started by BerndB,

    Hi all, yesterday i was piloting a sheduled flight for Lufthansa from EDDF to LSGG and return. At LSGG, after the aircraft was ready boarded and we made the last preperations in the cockpit for departure, there was a very bright light, which looked like a star, overflying the airport at a fairly high speed. At first sight it looked like very bright landing lights from an aircraft, but once it was nealy direct above the apron the was no aircraft. It was just this very bright light and then it disapeared into the clouds. At that moment i was a little bit confused, but have had to laugh out loud for this "easteregg". My question is, if anyone of you have ever seen this …

    • 1 reply
    • 861 views
  18. Hello, i have insalled the 737ngxu on the p3d v5.1. But i have a bug look : https:// https://ibb.co/8Xv95YK https://ibb.co/rMyNNCK PLS HELP ME

    • 6 replies
    • 1.2k views
  19. Good afternoon, Just picked this up yesterday and I am unable to install the GTN 650 into the virtual cockpit as shown in their manual. I have changed the name of the panel files as instructed. As I have purchased my 650 and 750 both from RXP (not directly from Flight1) the names of the files are slightly different. I can get the 750 to pop up, but I can get either one to show up above the autopilot. Has anyone had any success with this? Thanks, colin

    • 0 replies
    • 545 views
  20. Started by BobKinSTL,

    Flew this morning from KMCI to KDEN. At FL380 it was quite turbulent with winds around 330/130 and even though my frame rates were holding around 40 fps the sim was stuttering literally every 1 - 2 seconds. It was a constant start/stop and I kept waiting for the CTD but it didn't happen and during descent when the winds got down to around 50 kts. the stuttering stopped. I even turned off chaseplane to see if motion effects from the camera were affecting the smoothness (or lack thereof) but it didn't make any difference. I have seen thunderstorms affect performance but aside from the winds and turbulence the sky was clear. Anybody else experience this or have an idea …

    • 0 replies
    • 457 views
  21. Started by flyingpogo22,

    Hello all, I hope someone can help with my problem - I am using prepar3dv5 with latest hot fix and I have installed orbx global, orbx North America land class, and orbx vector. I did installed envdir textures and shaders but I’ve uninstalled them since then. I have snowy texture on the runways but not the taxiways. How can I get rid of the snowy textures runways and make it snow free just like my taxiways? I'm not sure where to find to get runways back with no snow on them. Any advices would be greatly appreciated! Thanks Brian

  22. Started by G-RFRY,

    RFscenerybuilding are now working on LIRP PIZA for 4.5 and v5 xxx.

    • 0 replies
    • 633 views
  23. no the EA mode, you can only see very inconspicuous lines when it Heavy rains, and when it is raining or snowing, you can't see any weather phenomena, just like a sunny day. This may be a defect of EA, I don't know if there is an update plan for this.

  24. Started by Tim_Capps,

    I got a CH Yoke and want to assign a button to go back and forth between virtual cockpit and free spot. Is this possible? The switch views command cycles me through views (e.g. nose) I’m just not interested in, which annoys me.

    • 5 replies
    • 770 views
  25. As per the title, a V5 installation for Traffic Global is available Version Number 1.1.1.5. It can be found on the EA forum, where you should download it from, JF accounts are still showing the old version. Link here

    • 49 replies
    • 10.4k views

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