Hi Aktungbby, I went looking to see if I could find any info on what you asked and I could not find any in my looking around but what I did find was that the Fokker E1's did have many encounters with the MSL's.
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Update!
The instruments are now in and working.
The pilots are now in and the guns are now working with animations.
The hit boxes are done and the game just takes all the parts and throws them everywhere
till I get the damage CFG done to govern the game engine on what to do with the parts.
And up up and away they go! 
Left to do;
Damage 3D models.
Damage CFGs.
Damage textures.
A few skins.
Deutschmark