VictorXL188 Former Aviation journalist/writer Senior Member Joined 31 July 2013 Messages 568 Reaction score 1,168 19 January 2025 #41 Here's the Air International July 1974 editions article on the Poligrat/Pilatus PD-01 Master Porter Attachments IMG_20250119_212231922.jpg 3.6 MB · Views: 26 IMG_20250119_212253579.jpg 2.1 MB · Views: 25 IMG_20250119_212305788.jpg 2.1 MB · Views: 25