By Igor Dvurekov – Gallery page http://www.airliners.net/photo/Untitled-%28Jetflite%29/Bombardier-BD-100-1A10-Challenger/1704544/LPhoto http://cdn-www.airliners.net/aviation-photos/photos/4/4/5/1704544.jpg, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=27370927
