ALPHA VANE, a small moveable airfoil on the side of the fuselage transmitting airplane Angle relative to airstream for the stallwarning system.
迎角叶片，位于机身侧的可动小翼面。为失速警告系统传输飞机对气流的相对角度。
2
The aircraft climbed to 38,000 feet when "the stallwarning was triggered and the airplane stalled," the report says.
当飞机在38000英尺高空的时候“失速警报开启，飞机失速。”报告称。
3
It presents the guidelines on how to adjust the installation location and incidence of stallwarning device, and also discusses the reasons for metering of stallwarning speed with indicated airspeed.