To view this page ensure that Adobe Flash Player version 9.0.124 or greater is installed. 2.02.5 Piston engine powered rotorcraft are helicopters powered by a single piston engine that burns avgas. Piston-powered rotorcraft are generally smaller and less expensive to acquire and operate than their turbine-powered cousins and are most commonly flown for instructional or personal purposes. 2.02.6 Turbine engine powered rotorcraft are helicopters powered by one or two turbine engines that burn jet fuel. Aerial observation, law enforcement, and medical evacuation account for much of their usage. 2.02.7 Experimental aircraft generally are home-built or kit aircraft flown by enthusiasts. They have piston or turbine engines but usually have piston engines. This category also includes some vintage aircraft and rebuilt military aircraft of which there are limited working examples. The following graphs depict sales and flight hours in 2005 by each of the GA aircraft categories. “Rotorcraft” represents both piston-and turbine-powered helicopters, while “Pistons” represent both single-and multi-engine piston-power airplanes. CharT 4 CharT 5 U.S. Sales by GA Aircraft Category in 2005 Flight Hours by GA Aircraft Category in 2005 ($ billions) 2.03 The Uses of General Aviation Aircraft
47% 13% 40 % 11% 16 % 73% 中国通航网 www.ga.cn 通航翻译 www.aviation.cn 本文链接地址:General Aviation’s Contribution To The U.S. Economy 通用航空对美国经济的贡献(10) |