Mushroom Model Publications [MMP] is to publish a new book looking at the PZL-104 Wilga
This is partial text from the full article (usually with photos) at https://aeroscale.net/news/pzl-104-wilga-monograph-planned
This is partial text from the full article (usually with photos) at https://aeroscale.net/news/pzl-104-wilga-monograph-planned