Wilfried von Englehardt tests the Bölkow-Entwicklungen KG Bo-105 V-2, D-HECA in an out-of-ground effect hover, with engine cowlings removed, 16 February 1967. (Eurocopter)
Messerschmitt-Bölkow-Blohm Bo-105 V-2, D-HECA, 16 February 1967, with Wilfried von Engelhardt, Ottobrun, Germany