MBB/Kawasaki BK 117 - summary version[/heading]
BK 117 a-1 - a multi-purpose twin-engine helicopter jointly developed on the basis of the projects of the Bo 107 and Kawasaki KH-7. Engines LTS101-650B-1. Production of components divided between the two companies, with two assembly lines. 71 pcs MBB, 7 pcs Kawasaki.
BK 117 A-3 - new tail rotor, increased take-off weight; 50 pcs + 60 conversions MBB, 4 pcs Kawasaki
BK 117 A-3M - a demonstrator of a military multi-purpose version; 1 conversion
BK 117 A-4 - modified transmission allowing for a higher static height, the new head of the main rotor; 18 pcs + 50 conversions MBB, 13 pcs
BK 117 B-1 - analogue of the A-4 with engines LTS101-750B-1. 104 pcs + 15 conversions MBB, 73 pcs + 8 conversion Kawasaki
BK 117 B-1C - machine made according to the british certificate
BK 117 B-2 - higher take-off weight; 9 pieces + approx 90 conversion Eurocopter, 15 pcs + 60 conversion Kawasaki
BK 117 C-1 - new cockpit, engines Turboméca Arriel 1E2; 60 Eurocopter, about 20 Kawasaki
BK 117 C-2 - the corporate label and the japanese label for the EC145
BK 117 D-1 - company designation for the H145
Taylor, John W. R. Jane's All the World's Aircraft 1982-83. Jane's Publishing Company, London 1983. ISBN 0-7106-0748-2.
Taylor, John W. R. Jane's All the World's Aircraft 1986-87. Jane's Publishing Company, London 1986. ISBN 0-7106-0835-7.
Lambert, Mark. Jane's All the World's Aircraft 1991-1992. Jane's Information Group, Coulsdon 1991. ISBN 0-7106-0965-5.
Jackson, Paul. Jane's All the World's Aircraft 2004-2005. Jane's Information Group, Coulsdon 2004.
http://www.rotorspot.nl/product/bk117.php
http://www.rotorspot.nl/product/kbk117.php
www.helis.com].
Taylor, John W. R. Jane's All the World's Aircraft 1986-87. Jane's Publishing Company, London 1986. ISBN 0-7106-0835-7.
Lambert, Mark. Jane's All the World's Aircraft 1991-1992. Jane's Information Group, Coulsdon 1991. ISBN 0-7106-0965-5.
Jackson, Paul. Jane's All the World's Aircraft 2004-2005. Jane's Information Group, Coulsdon 2004.
http://www.rotorspot.nl/product/bk117.php
http://www.rotorspot.nl/product/kbk117.php
www.helis.com].