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The other day (during a particularly uneventful flight) I was looking at the flight plan and in particular the TC and TD entries. It made me wonder what rates of climb and rates of descent the FMC uses to calculate such flight plan entries. Does anyone know? I had a quick skim through the manual but did not spot anything referencing this, or did I miss it? A quick calculation for the step climb changes yielded a rate of climb of 700 but not sure how accurate this is. Regards Stuart

Hiya Sorry not to have replied sooner but I have been a little busy and not able to get near my pc for FSX purposes for a while. I was getting this on every start up, so having read your post I just backed-up all my aircraft files and completely re-installed Linda. That seems to have solved the problem. Not sure how or why but some corruption must have crept in somewhere. Thanks and Regards Stuart

Hey Folks Can anyone help me track this error down, see pic? For months and months and months been using Linda no problem, suddenly this happens on start up of FSX. No, I have not added anything recently or made any other changes in the past few months. However, I did get a "fatal error" a few trips ago, which required a restart of FSX. I have pasted across a "new copy" of the linda.exe file to the modules folder, still the problem persists. Any help would be gratefully apprteciated. Regards Stuart

OK

I am afraid that in all the years I have used this particular aircraft I have not had this particular problem. But then again its the only one I fly in FSX. That is not to say that on occassions I have had problems (usually nothing to do with PMDG as such) and the only solution to a particular issue has sometimes been a complete un-install and re-install. If you can get through to the support (I know more frustration for you in this instance) I have always found them to be human and nice, helpful people. Now, one of the problems I did have was with FS2 Crew and for whatever reason the install of the FS2 Crew had not gone right. I could not get any panels to work and unfortunately the only solution was a complete re-install of both PMDG and FS2 Crew. Regards Stuart

Thanks for taking the time to provide the answers, much appreciated. It would appear I have sort of being doing the planning right but not quite the execution. From now onwards I will make sure the first cruize level programmed is equal to the opt shown on the init page and then program remainder step climbs at 2K intervals until planned altitude. Once again many thanks. Regards Stuart

Does anyone know if there Is a "relationship" between programmed step climbs and the opt/max flight levels presented by the FMC? The reason I ask is as follows: I program a number of cruize levels at "init" phase and hold at each flight level by using altitude, as I think is described in the manual. However, I notice that (according to the flight plan) the FMC keeps on wanting to push the flight level higher than the flight level shown as OPT in the performance page of the FMS. Any input would be gratefully appreciated, even if it is to point out to me I have being doing it wrong all these years. Regards Stuart

Perhaps I am doing something wrong but I use ASE. I follow the suggestions HIFI offer for setting it up plus the adjustments available from having a registered version of FSUIPC. I still get "turbulance" but have not so far experienced the issues mentioned here, despite many years of using the MD11. Regards Stuart

You may find better answers by posting elsewhere but I am pretty sure you will find that the FMC always looks back into the database information held within the PMDG main folder. I discovered this when I "dabled" a bit with making up some approach fixes for an airport once. You may find that in order to add airports you need to manually "add" salient information to relevant data files held in the Navdata folder. Like I say, I believe this will need to be done manually first and you run the risk of it being "overwritten" the next time the database is updated, i.e. an Airac Cycle. I should imagine that to do this would be "risky" as bad data input would possibly corrupt matters. Like I say, you may find better answers elsewhere. Regards Stuart

I was not really understanding what was behind the comments made above about TML. However, I did find this explanation here which may be helpful to others like me Regards Stuart

Nope but I am unsure why it would not work unless of course MS has completed shifted all the goal posts again............ Wait a minute this is MS we are talking about, so actually quite a good question. Seriously though MS state that W8 is "backward compatable" - my terminology - for legacy software used on the new system so not sure why using FSX in DX10 mode would not work on a W8x64 system. Regards Stuart

In a word, no. I no longer use default for my AI even though it is an option available to me in "my traffic". However, if you use default planes for AI then you cannot disable them. Regards Stuart

Using ADE to investigate the airports without lights as showing on my "clean install" system, it would appear that some of the original "stock" airports do not always have lights "coded" for a particular runway. Not sure why when the prototypical airport has them. Anyway, making a small change using ADE and then revisiting the Airport "fixes" the issue. Just thought I would mention this as it supports Paul's findings and airport design. As regards payware, I thought I read somewhere that making 3d objects "work" as runway lights is an issue for some reason. See if I can find the post. Regards Stuart

I would recommend taking the plunge Dr V, I did (despite a few reservations) and have no regrets. Regardless of what others may say on other forums about DX10, the few simple steps and fixes posted here (and elsewhere) I think improve the visual and enjoyment factor many fold. Asfor the lights issue, I still have the default scenery in my fsx installation and note (like others) that the approach lights, strobe effects and VASI lights at some airports do not work and yet at others work just fine. And it is not as if all the lights I mention do not work, seems some do some don't. Does the AddonConverterX software fix this? Or is it more of a design issue in the original scenery file for a particular airport? I for one will not let it detract from my fun, after all that is the whole point is it not. To have fun and enjoy the experience. Regards Stuart

So, for whatever reason the Achilles’ heel of using DX10 still seems to be the lights. I for one appear to have noticeably “lost” strobing, approach and VASI lights at most of the airports I visit. True, sometimes the VASI lights do appear “intermittently”. But (to all intense and purposes) it is as if the gremlin of John Lythgow’s Twighlight Zone nightmare has been teaming up with the folks who worked in the control tower of the first Airplane movie. Has anyone come across a “fix” for this yet, I mean apart from don’t use DX10? Forbidden fruit and all that.......... Regards Stuart