Electrical insulation
Lighting systems
Dimensions
Type testing
Height
Green
Lamp caps
Taxiing
Thermal resistance
Mechanical testing
Electrical testing
Aligned
Blue
Heating tests
Lighting equipment
Seatings
Marking
Air transport engineering
Testing conditions
White
Photometry (light measurement)
Hydraulic tests
Aeronautical ground lights
Runways
Red
Luminaires
Landing (flight)
Airports
Yellow