AIRCRAFT COLOURS AND MARKINGS OF THE FIRST WORLD WAR ERA Wyzsza Szkola Pilotow (WSP) The Wyzsza Szkola Pilotow (WSP) - Advanced Pilot's School - was created at the former German airbase in Poznan-Lawica in 1919. In December 1920, it moved to Grudziadz, where it stayed until outside the realm of this CD.The badge of the WSP was a white outlined red 'W', with a superimposed white 'S'. | Ansaldo SVA 10 - - Source:SWWP 1918-1924 | | |