• 737 technical quiz
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  • During descent, the pressurization descent mode is activated when
    Aircraft descends 0.25 psi below the selected FLT ALT
  • Two independent radio altimeters provide radio altitude to the respective FCC's. With one radio altimeter inoperative
    autopilot disconnects two seconds after LOC and GS capture
  • Blue illumination of APU GEN OFF BUS means
    APU is running but not powering transfer busses
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