K25 slide scan. Built 1939 for Swiss Air Force and active until 1981. In service with JU-Air from 1983, initially keeping its Flugwaffe colours. Withdrawn 2018 after the crash of sistership HB-HOT, overhaul started in 2019 aiming restauration to flying condition. Warming up engines for the first pleasure flight of the day while the ground engineers discuss a point.