The lighting system supplies the aircraft with internal and exterior lighting, and the corresponding sub-systems are:
- Flight-compartment lighting (Ref. Fig. 1 thru Fig. 3 and 33-10-00)
- Cabin lighting (Ref. Fig.2, Fig 3 and 33-20-00)
- Baggage compartments lighting (Ref. Fig.1 and 33-31-00)
- Service compartment lighting (Ref. 33-32-00)
- Exterior lighting (Ref. Fig.1 and 33-40-00)
- Emergency light (Ref. Fig. 1 and 33-50-00)