One two-seat reconnaissance biplane floatplane, designed and built by Atanas Grigorov. The first Bulgarian-designed floatplane. Basic layout based on the Friedrischshafen FF-33 seaplane. Named 'Leitenant Liapchev'. Evaluated by Bulgarian Navy with favourable results, but series production cancelled when prototype destroyed in a violent storm circa 1925.
Bulgaria | Military
Grigorov 1 | AFB/1925