Quick question guys…is there a frame rate difference between the -600,-700 and -800 model? I have the -700 version already but fighting with lower frame rates on this aircraft (locked at 40 but with the PMDG -700 it gets down to 25-30)
Thx for your input!
For me the PMDG 737 is very smooth, there is probably some price to pay in the fps compared to the default aircraft. All variants should be heavy to your system the same though. I own all three variants and I’ve never noticed any difference in the performance between them.
Is there a 737-800 Little Navmap aircraft performance file somewhere?
Is there any ATC freeware out there that work with the PMDG 737-800? I only have the default atc at the moment and it doesn’t work with the 737 for obvious reasons. Vatsim or something like that would be great but aren’t really options for me. Technically I could probably use vatsim and just type but that probably wouldn’t work very well. I’m just looking for atc that would work with the 737 for cheap.
Default ATC work with PMDG 737/738 when using the internal MSFS flight plan manager additional to the FMC.
I use default ATC all the time with the 737. You have to do the two stage thing with the flightplan from simbrief.
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Use the world map planner to load the simbrief flight plan into the sim for ATC use only.
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Use the FMC to load the same simbrief flight plan into the aircraft for navigation purposes.
Other aircraft need this to happen for ATC too. The CRJ is one of them.
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I use ProATC SR and it’s great. It’s not a very expensive addon, and it worth. Default ATC is horrible. See ProATC SR thread in this forum if you like: https://forums.flightsimulator.com/t/pro-atc-sr-professional-air-traffic-control-is-out
If you have navigraph you can also use the msfs ingame popup to creat your flight and than export it as active msfs flightplan.
Nice about that is that i can change the plan when i arrived my first destination and want to do another flight instant.
Also very nice is that i can change destination during flight and let the ingame atc know about it.
Only thing that is bugged is the cruise altitude, but you can simply request the atc for higher/lower level.
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What´s the difference between BCF and BDSF variants?
Does anyone know how to transfer a tail number set up to another tail number - Rob’s videos do not appear to cover this?
The BCF version has a graphics glitch on the eyebrow window frame and the emergency rope hatch having the two clip into each other when activating the HUD in the cockpit.
That´s why I have removed the BCF version and enjoy the BDSF version only. 
And someone mentioned in the PMDG forum that on the outside 3D model the cargo room doors are on a different position. But I cannot verify this because the BCF version is already deleted.
BCF is a passenger aircraft that has been converted to a cargo-variant.
Edit: Apparently the bdsf is also a conversion, so I just learnt something new. Appologies for spreading an incorrect answer.
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I believe the BCF conversion was designed by Boeing and the BDSF was designed by IAI in Isreal. The BCF has a more set back cargo door meaning the pallets it can carry is slightly reduced (11.5 v 12)
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my little video to this wonderfull plane
I think if the whole world came crashing down on MSFS, I have a feeling that the 737 will still be a role model in performance and fps resources. Don’t know what PMDG did and I don’t know what wizardry they used.
They used WASM modules for the 737. This code compiles on first run (hence the long wait time) and executes directly within the sim itself, which significantly improves performance over the more traditional JS-coded aircraft. The FBW A320 and Fenix A320 use mainly JS (plus the Fenix external program), which will always have a performance hit when compared to WASM.
Unfortunately, WASM comes with limitations, which is why the PMDG 737 doesn’t currently allow direct importing of Simbrief flight plans from the web. These will be improved once Asobo removes some limitations of WASM.
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Very useful info. Thanks. I’m hoping once Asobo removes those limitations, those occasional micro-stutters and pauses will be a thing of the past with the A32NX. I’m one of those unfortunate ones who experience this and it only happens with the A32NX.
Do you know if the CRJ uses WASM as well?
Yes it uses WASM as well, which is why the CRJ doesn’t have a working terrain and weather radar. Asobo has not developed the API to allow WASM to call on the built-in terrain and weather radar bitmaps. JS aircraft can call on this API for the weather/terrain map, which is why the FBW A320 and other aircraft have this working (or did work, in the case of FBW).
SU10 has added an API for WASM compilations to use the in-game weather radar bitmaps, which means PMDG can add the weather radar. However, from what I understand, the API is pretty basic and doesn’t allow much customization of weather radar bitmaps. The PMDG will get a working weather radar, but I don’t think it’ll be as advanced as users might hope.
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Again very informative. I knew there was something going on in the background which is in common between the CRJ and 737. Thanks for the explanation.
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This is all very interesting. Heard about these terms before but didn’t really understand it. With the aircraft that do directly link to simbrief so CJ4/CWT FMS, FBW A320 is it fair to say that this only works because they are using JS and not WASM. Whereas CRJ and 737 don’t because of WASM?
How will the upcoming EFB with the 737 get around this to interface with simbrief?