AN/ALR-67 RWR Radar Waning Receiver

1. Radar Warning System

1.3. Warning Lights

On the right hand side of the front instrument panel are some warning lights associated with the ALR-67 Radar Warning System. On the left hand side the status of the BIT is displayed.

Left Warning Light Field Right Warning Light Field

Left warning lights, picture from kaltokri, in common

Right warning lights, image from kaltokri, in the public domain

  • AI:
    Enemy radar in airborne intercept (AI) mode.
    Shown in the critical zone.
  • CW:
    Enemy radar in Continuos Wave (CW) mode.
    Probably directing an air-to-air missile towards your aircraft and being displayed in the critical zone.
  • SAM:
    Enemy surface-to-air radar that has detected your aircraft. This is displayed in the critical zone.
  • AAA:
    Radar from an enemy anti-aircraft battery that has detected your plane.
  • DISP:
    The ALE-47 has analyzed the threat in S/A mode and set a suitable countermeasure program.
    In addition, the HUD displays the word DISPENSE.
  • GO / NO GO:
    Result of the BIT from ALE-47 when the eject switch is set to ON or BYPASS.