| 1. Intensity | ─ Level of brightness. |
| 2. Aerodrome beacon | ─ Aerodrome light used to indicate the location of an aerodrome from the air. |
| 3. To rotate: | ─ To revolve; move round axis or centre. |
| 4. Flashes | ─ Lights that go on and off. |
| 5. Identification beacon | ─ A light identifying an aerodrome. |
| 6. Morse code | ─ Signal by long or short flashes when lights are used and by dots and dashes when telegraph is used. |
| 7. Runway edge | ─ The sides of the runway. |
| 8. To align | ─ To bring into line. |
| 9. VASIS | ─ Visual Approach Slope Indicator System. A glide path formed by lights. |
| 10. Marshaller | ─ The signaller who directs the pilots on the apron. |
| 11. To illuminate | ─ To light up, to make visible in the dark. |
| 12. Wand | ─ Illuminated sticks used by the marshaller. |
| 13. To cut engines | ─ To stop engines. |






