A 4 m in diameter smooth, clean, no protrusions, no ornaments, aerodynamic clean surface semi-matt aluminium and mid silver titan metal flying sauer lenticular UFO type jet aircraft 18 m in diameter, with 30 regularily spaced 3 mm long and 0, 1 mm wide slots 2 mm inside the round, 2 mm thick rim, with a two seater, black 1944 old style bucket leather covered pilot seats reaching 50 cm into the dome, strutted Plexiglas dome, 30 cm high canopy in the center and a small 30 cm in diameter flat solid silver dome in the center underneath, Craft is fast rotating and flying in 100 m above the proving ground Böhmen in the Protrectorat over an arc concret hangar and wood.