W DOC AIRBUS | AMM A320F

LIGHTS - DESCRIPTION AND OPERATION


** ON A/C NOT FOR ALL
1. General
The aircraft lighting system provides illumination inside and outside of the aircraft. The system comprises:
A. Cockpit Lights
The cockpit lighting consists of the following sub-systems:
  • general illumination of cockpit panels, instruments and work surfaces,
  • integral lighting of panels and instruments,
  • test system for annunciator lights,
  • dimming system for annunciator lights.
B. Cabin Lights
The cabin lighting consists of the following sub-systems:
  • general illumination of cabin, galley areas and entrances,
  • illumination of the lavatories,
  • passenger reading lights (customer option),
  • cabin lighted signs,
  • work lights for the cabin attendants.
C. Cargo and Service Compartment Lights
The cargo and service compartment lighting provides illumination and power outlets for maintenance purposes. The system comprises:
  • service area lighting for equipment and APU compartments,
  • air conditioning duct and accessory compartment lights,
  • FWD and AFT cargo compartment lights,
  • equipment compartment lights,
  • wheel well lighting.
D. External Lights
The external lights illuminate the runways and/or taxiway, some aircraft surfaces and give an indication of the aircraft's position.
The system has:
  • three navigation lights, colored red, green and white, one is installed at the tip of each wing and one at the aft of the fuselage,
  • landing lights, which have two high-power lights that retract and are installed one under each wing,
  • runway turnoff lights, which have two lights and are installed on the nose landing gear,
  • one takeoff light and one taxi light are installed on the nose landing gear,
  • two anticollision beacon lights, which flash red, are installed one at the top and one at the bottom of the fuselage,
  • three strobe lights, which flash white, are installed one on each wing tip leading-edge and one on the tailcone below the exhaust of the Auxiliary Power Unit (APU),
  • wing and engine scan lights are installed one at each side of the fuselage to illuminate the wing surface areas and engine intakes.
E. Cabin Emergency Lighting
The emergency lighting system provides illumination of the cabin and exit signs in the event of a failure of the main lighting system.
Batteries supply electrical power for these lights independently of the aircraft power supplies.
[Rev.10 from 2021] 2026.04.01 00:52:13 UTC