Hello,Since Iinstalled IVAP (the new IVAO program to fly online) I've experienced some problems with my PMDG! Whenever I take off with my PMDG I get a message after 80kts "CG not with tolerance, aircraft unflyable"They told me that this has to do something with the balance of my aircraft! But when I fly with the PMDG on fs (not onine with IVAP) I don't have this problem! Today I did some tests to see if it's reallly IVAp...I first did take off with a certain load (from the loadmanager) and 70% fuel. No prolems!! Then I connected to IVAP and did the smae take off with the same fuel and loads...after 80kts I got an Engine failure...I did the take off again and yes, I got the message "CG not with tolerance..."What do I have to do? I reinstalled my IVap, tomorrow I will do the test again and see, but probably nothing will be soved! Could somebody help me please? Do other memebers experience the same problem?Greetings,Alex

Alex,We need some more information from you.Have you updated your NG with the latest patches?Which one of the NGs did you fly?Can you provide us with details of the WEIGHT AND BALANCE section of the aircraft.cfg file. If this one looks normal I would suspect the culprit being something else.Hope it helps,

Alex,Two things, first I think you are lacking the lastest patch if you are flying after install of the 800/900 and second, I don't think it is related to IVAP because I have been using it on FSINN and IVAP for awhile with not even a single problem. Check the version you are flying and let us know.

Hello,My version of PMDG is 1.3. I've installed the PMDG 737-800/900 too! My loads rae good I suppose as I made take off in flightsim (offline) and nothing happened. But I will give them:737-600 mixed:First class: 5 Coach: 63Forward: 2300 kg Aft: 3500pax weight: 5564 kgCargo weight: 5800Zero fuel weight: 47818Fuel: right 70% left: 70% centre: 30%Now, I did a take off with the PMDG 737-600 and I got the message after 80kts "Cg not with tolerance..." and an engine failure!Than I reset the flight and I took the PMDG 737-700 ith the same fuel (see above). In load manager, the loads of the 737-700 is not changed (everything is on zero) so it hasn't any loads except fuel. After 80kts during take off I got the same message again and an Engine failure! The two take offs were onine with IVAP!Now I don't know what to do? When I do this is offline in fs it doesn't say nothing with the 737-700! The same fuel and same loads (loads are on 0 in loadmanager)

Hi there,would be interessted to hear from you if the PMDG B737-NG`s are behaving the same way on other online networks, or if this especially related to IVAO with their "beta-IVAP" client?Have you tried any of the other two online networks just to compare?www.flightproejct.netwww.vatsim.netMaybe it`s not your plance, but rather the "beta-stage" of the online client from IVAO ??? Just my 0,02

Ivap has some bugs, mainly with the meteo.I doubt it can do anything to the CG, how could it be?

Hello,well i found what's the problem! It's because IVAP feeds the weather in fs! Iv' turned it off and now it doens't say the message anymore....Thanks again for everyone who helped here...greetz and happy landings,Alex