Bell L-39 Experimental Aircraft showing Ventral Fin Installation. Public domain photograph of experimental aircraft, prototype, aviation design and development, no copyright restrictions image - Picryl description
Bell L-39 Experimental Aircraft Showing Advanced wing design with leading edge slats.
Bell L-39 Experimental Aircraft.Head on view Public domain photograph of jet aircraft, free to use, no copyright restrictions image - Picryl description
Bell L-39 Experimental Aircraft Showing wing sweep (Approx. 30 degrees) and 80% slats extended
Bell L-39 Experimental aircraft Public domain photograph of jet aircraft, free to use, no copyright restrictions image - Picryl description
Bell L-39 Experimental Aircraft Showing clean wing design (no leading edge devices)
L-39 Test insrument Panel & Photo recorder Installation
Tex Johnston Bell L-39 Projec t Test Pilot Public domain photograph related to airlines, free to use, no copyright restrictions image - Picryl description
Bell L-39 Experimental Aircraft, Showing test auxiliary instrument panel and camera installation aft of Pilot station.
Modified Bell P-63 Project aircraft used for swept wing research