This guide will go through step-by-step on how to add your own aircraft into Dovetail Games Flight Sim World. While this will work on essentially all aircraft, they will all have their own varying levels of success depending on how they are made, as the virtual cockpit .dll files are all compiled in x32 bit, and not x64 bit which FSW requires.

I have also made a video tutorial for those that would like a more visual way of explaining things, or listen to the instructions in the background instead - This can be viewed below.

You will also need some code to insert into each aircraft.cfg file. This can also be viewed below.
https://1drv.ms/t/s!Av7euqX9-qNYiJ9jMZKkgUKoaetmRA

The first step you want to do is select the aircraft you are installing for FSW. This is simply copying and pasting the aircraft from FSX/Sim Objects/Airplanes into the FSW/Sim Objects/Airplanes folder.

Now open up the copied aircraft, and open up the file titled 'aircraft.cfg' in any word processor, Notepad is more than enough.

The first thing you will want to do is ensure that each aircraft will appear in Dovetail's new UI. Copy and paste this code below at the end of each [fltsim.X] tag, just before the next one starts. This will initialise the thumbnails and add the information the aircraft needs in order to appear in this menu.

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ui_thumbnailfile="texture\thumbnail.jpg"
ui_hangarfile="texture\thumbnail.jpg"
ui_selectionfile="texture\thumbnail.jpg"
ui_tilefile="texture\thumbnail.jpg"
ui_info=333705325
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Do note that it is good practice to change each time it states 'texture' in the subdirectory to the texture file of the aircraft itself, making sure that the correct thumbnail appears under each livery.

Now you want to scroll down to the very bottom of the aircraft config. Here you will need to paste in the second bit of code below, this one making sure that the stats of each aircraft will properly appear in the UI.

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[Other Reference]
range = 400 ; nautical miles
rate_of_climb = 960 ; feet per minute
takeoff_distance = 500 ; 50ft obstacle ;
landing_distance = 885 ; 50ft obstacle ;
ceiling = 19000 ; feet
fuel_capacity = 36 ; gallons
short_desc ="@IDS_SHORT_DESC_PA18"

[UI Strings]
engine_desc ="1 Lycoming O-320, 150 hp"
prop_desc ="Metal Design 74-DM-56"
crew_pass ="1 + 1"
short_desc ="@IDS_SHORT_DESC_PA18"
fuel_consumption_at_cruise= 6 //Estimated

[Fuel Defaults]
//Default fuel levels per tank 0 is empty, 1 is full
LeftMain = 1
RightMain = 1
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It is also possible to change each stat to match the real aircraft, but this is not required and will work as is copy and pasted.

Finally, you will want to copy and paste over the aircraft gauges from both root simulator directories. This will try to make the virtual cockpit as functional as possible, but as mentioned at the start with the x32 bit compilation, this will not work 100% in terms of being able to function any cockpit switches.

Once you have completed these steps, the aircraft will now work in Dovetail Games Flight Sim World!

Once you have installed the aircraft, the process of loading it is as normal. Launch the simulator and select the 'Free Flight' mode. The thumbnail textures will be low resolution, but this does not matter so much as these are based on the FSX size.

You will be greeted by an error message. Do not be alarmed, this is normal as it cannot read the x32 bit code. Just select [Cancel] and the aircraft will now load.

You can also select the 'Config' option by the aircraft, and change the livery, payload and fuel on board your aircraft. Since this is the same code as in FSX, this will automatically be correct to your chosen plane.

Finally you can select your weather and airport, before starting the flight in your new FSW aircraft!

As mentioned throughout the chances of you getting a functional virtual cockpit is slim, but other than that your aircraft will work as it should. If you did learn from this tutorial, don't forget to give it a thumbs up and also share this out with other users! Do also check me out in YouTube, as I do numerous flight simulator videos and whenever I learn a new secret or trick, I generally will make a video explaining how to get it working for you guys.