MACH AIRSPEED WARNING

Question 1

MACH WARNING TEST BUTTON

Answer 1

• Push: tests the respective mach/airspeed warning system
  
  • CLACKER sound
  • (push test feature) is inhibited in flight
  • ADIRU sends an overspeed signal to the aural warning module (which makes the clacker sound)
  • NO 1: tests the Left ADIRU
  • NO 2: tests the Right ADIRU
  • both of these clackers are independent - only way to stop is to reduce airspeed
  • *