On November 28th, 2004, the Bombardier Challenger arrived at Montrose at about 9 A.M from Calif, where it stayed for 40 minutes before takeoff and later crashed almost immediately (Mary, 2006) . The NTSB has, therefore, come up with a number of documents pointing the cause to the pilot's failure to de-ice the wings.
Effects of icing to takeoff
After a thorough investigation, it was concluded that the main cause of the accident was the icing condition on the wings. The weather was snowy and the plane had stayed for a while on the ground. During this time a small amount of ice had accumulated on the upper surface of the wings. The small accumulation on the upper wings is normally just as severe as the much larger and visible ice accumulations (Morel, 2009) . Ice is said to cause the jet to stall and therefore unable to climb when taking off.
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The pilot’s training performance on takeoff
The pilot of the plane seemed to have been poorly trained on how to perform a takeoff, especially in such a weather condition. After staying on the ground for 45 minutes, he was supposed to examine the wings of the plane and check carefully if ice had accumulated on them. The report states that sixteen minutes before takeoff, the pilot discussed whether the wings looked clear and instead of confirming this, given the snowing condition, they blindly took off (National Transportation Safety Board, 2006) . The pilot could have taken safety precautions that included detecting and removing ice on the wings properly before the takeoff (Leib, 2006) .
What the crew could have done to save the crush while airborne
According to these investigations, the plane had not gone any further when it crashed. It had just taken off from the runway. Due to the accumulation, there were no ways the pilots and the whole crew could notify the control team of any problems. Additionally, the crew could have done nothing to save the situation while airborne because the process of removing ice only takes place when the plane is still on the ground (National Transportation Safety Board, 2006) . The only way therefore that the crew could have saved the situation was to identify the problem early before takeoff.
References
Leib, J. (2006, May 2). NTSB faults pilot in fatal 2004 crash. The Denvor Post , pp. 1-4.
Mary, S. (2006, September 20). Ice accumulation blamed in Montrose Challenger crash. Retrieved 4 27, 2018, from AINONLINE: https://www.ainonline.com/aviation-news/aviation-international-news/2006-09-20/ice-accumulation-blamed-montrose-challenger-crash
Morel, B. (2009, February 17). How does ice cause a plane to crash. Retrieved 4 27, 2018, from Scientific America: www.scientificamerican.com
National Transport Safety Board. (2006). Aircraft Accident Brief : Crash during takeoff in icing conditions. Washington: National Transport Safety Board.
National Transportation Safety Board. (2006). Annual Report to Congress. Washington: National Transportation Safety Board.
