Forward Panel Annunciator Lights
Autothrottle (A/T) Disengage Light

Illuminated (red) –
  • Flashing – autothrottle has disengaged.
  • Steady – Disengage light test switch held in position 2.

Illuminated (amber) –
  • Steady – disengage light test switch held in position 1

Option - Airspeed deviation warning activated
  • Flashing – indicates A/T airspeed error under following
    conditions:
  • Inflight.
  • Flaps not up.
  • Airspeed differs from commanded value by +10 or -5
    knots and is not approaching commanded value.