I am not entirely sure what you’re asking for here. Those documents outline the borders of FRA, but AFAIK, those are not dedicated airspaces themselves? To quote your source:
The concerned FRA area consists of Finland FIR (excluding Helsinki TMA), København FIR, Norway FIR, Riga FIR, Sweden FIR and Tallinn FIR.
The highlighted FIRs are in Navigraph Charts, they’re just not highlighted separately for the FRA purpose. You can see the effects of them being under FRA by looking at the amount of airways in these areas.
Pilots plan lots of routes orderly via airways which have even upper FL limits also and while it while it wouldn’t be mandatory) which makes no sense at all and them fly lots of zikzak, as they don’t realize that they will be flying in free route airspace as designated in those charts.
If you look at for example southern half of Norway (screenshot below), there is a LOT of airways due mountains but still it’s free route airspace over FL135 which ain’t defined or highlightable in Charts. So it would be convinient for pilots to have chance to know if there is free route airspace available.
So I wish that all those free route airspaces would be defined in Charts as they are in real life, because not only it would make route planning in Scandinavia more realistic, it would be more usable in training purposes within flight sim community.
I see that such airspace is included here and there but is not consistently available in our data. We’ll ask our data provider (Jeppesen) to see what we should expect!
This got lost internally due to general noise due to us attending FSWeekend, but it has now been picked up! We have asked Jeppesen and will let you know when we have an update.
According to our data provider, the reason why the Latvian FRA airspace is included is because it has an airspace classification (Class C Airspace). The same can not be said about the airspace that is not included, such as the Scandinavian counterparts.
They hope to introduce a special “FRA” airspace class in the future, but such changes usually take a long time. This data is used for real-world operations, and they have to be very careful when considering changes and/or additions.
Sorry for the inconvenience. Unfortunately, there’s not much we can do at the moment.