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Old 24th May 2011, 20:57
  #2292 (permalink)  
Nick L
Join Date: May 2010
Location: Philadelphia, PA
Age: 31
Posts: 9
- news to me - got a pic?
Boeing 737 Flight Instruments

One of the many customer PFD options is an analogue/digital angle of attack display. The red line is the angle for stick shaker activation, the green band is the range of approach AoA.
Also, I believe an AoA indicator was/is available as a customer option on Airbus aircraft - it is a dial next to the PFDs.
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