Looks like gennadich.com, the makers of Knights of the Sky, are revamping their website a bit. In the meantime, they're offering up some cool plane art on the main page. Refresh the page to see all the screens. Or click on one of these links:
http://www.gennadich.com/img/planes/image1.jpg
http://www.gennadich.com/img/planes/image2.jpg
http://www.gennadich.com/img/planes/image3.jpg
http://www.gennadich.com/img/planes/image4.jpg
http://www.gennadich.com/img/planes/image5.jpg
http://www.gennadich.com/img/planes/image6.jpg
http://www.gennadich.com/img/planes/image7.jpg
http://www.gennadich.com/img/planes/image8.jpg
http://www.gennadich.com/img/planes/image9.jpg