The APU MASTER SW pushbutton might seem like a simple “on/off” control — but behind that switch lies a complex sequence of events, especially when bleed air is involved. In this guide, we’ll break down the exact shutdown behavior, cool-down timing, and ECB-controlled logic every A320 pilot should understand. What Happens When You Press the […]
A320 Basics, Limitations & SOPs
Complete A320 study guide by an Airbus pilot & instructor.Clear systems, logic & SOPs.
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