Angle of attack

Question 1

what systems require AOA sensor

Answer 1

stall warning and detection
flight envelope protection
air data computer

Question 2

3 AOA sensors (2main ones)

Answer 2

AOA vane
AOA probe

flapper switch

Question 3

AOA vane

Answer 3

rotates until in line with RAF

transducer gives AOA

Question 4

AOA probe

Answer 4

two ports
equal pressure in tubes= level
unequal pressure between indicates an AOA
higher pressure in lower indicates positive AOA

null seeking probe: same but rotates until pressure in ports equal and gives AOA

need anti ice

Question 5

AOA display

Answer 5

AOA displayed as a proportion of maximum