A device on the ground that provides landing slope to an approaching aircraft.

A visual device used to provide wind information.

A visual device used to provide wind information.

All fixed (whether temporary or permanent) and mobile objects, or part thereof, that are located on an area intended for the surface movement of aircraft or that extend above a defined surface intended to protect aircraft in flight.

All fixed (whether temporary or permanent) and mobile objects, or part thereof, that are located on an area intended for the surface movement of aircraft or that extend above a defined surface intended to protect aircraft in flight.

Any light specially provided as an aid to air navigation, other than a light displayed on an aircraft.

A place that is authorised to be used as an aerodrome for the purpose of the landing and taking-off of helicopter.

A place that is authorised to be used as an aerodrome for the purpose of the landing and taking-off of helicopter.

An area of land or water associated with a helicopter-landing site, over which the final phase of the approach maneuver to hover or landing is completed and from which the take-off maneuver is commenced.

A load bearing area on which a helicopter may touch down or lift off.