Hi there,
I have a font called "Blockschrift für Flugzeuge.ttf" which can be used for creating aircraft markings (crosses for wings & fuselage, different sizes of ID-lettering etc.) according to RLM prescribtions of late 1943. The file comes together with an english instruction.
If you are interested feel free to contact me through snipped-for-privacy@mil-mod.de or snipped-for-privacy@mil-mod.com .