Could you tell me my balance, please? http://yuvututube.fun yuvutu An autopsy performed later concluded that Weller, 53, had been killed by multiple blunt force trauma, according to the NTSB. Weller, says NTSB, was a commercial pilot with more than 1,600 flight hours. He was licensed to fly gliders, single-engine and double-engine planes. He also was a certified flight instructor.