Mushroom Model Publications [MMP] has released Single No. 39 PZL TS-11 Iskra BIS DF
This is partial text from the full article (usually with photos) at https://aeroscale.net/news/ts-11-iskra-bis-monograph-released
This is partial text from the full article (usually with photos) at https://aeroscale.net/news/ts-11-iskra-bis-monograph-released