概述通用飞机有公务机、农业机、林业机、轻型多用途机、巡逻救护机、体育运动机和私人飞机等。目前全世界约有通用飞机30多万架,通用飞机数量在所有民用飞机中占到90%以上。随着我国低空的逐步放开,通用航空将会得到进一步发展,通用飞机的安全性将变得更加重要。氧气系统为机组和乘客提供氧气,避免了高空缺氧的威胁,为 Overview General aircraft are business machines, agricultural machines, forestry machines, light multipurpose machines, patrol ambulances, sports machines and private jets. At present, there are about 300,000 common aircraft in the world, and the number of all-purpose aircraft accounts for more than 90% of all civil aircraft. With the gradual liberalization of our low altitude, general aviation will be further developed and the safety of general aircraft will become even more important. The oxygen system provides oxygen to the crew and passengers, avoiding the threat of altitude hypoxia