: Detailed build logs and occasional free "prototype" files are shared on the WW1 Aircraft Models Forum .
While specific direct download links for ".rar" archives are often hosted on niche modeling forums, you can find reputable paper model versions and reference plans at these sites: : Detailed build logs and occasional free "prototype"
: Soviet Air Force (VVS) markings from 1923, typically associated with the "Moscow Institute of Engineers of the Red Air Fleet" (МИАК) or specific naval/military units in Odessa. : Detailed build logs and occasional free "prototype"