. Variable message sign: A sign capable of presenting several pre-determined messages or no message, as applicable.
Markings
An event involving aerodrome markings.
Usage Notes:
. Marking: A symbol or group of symbols displayed on the surface of the movement area in order to convey aeronautical information.
Runway Marking
An event involving an aerodrome’s runway marking.
Usage Notes:
. Marking: A symbol or group of symbols displayed on the surface of the movement area in order to convey aeronautical information.
Taxiway Marking
An event involving an aerodrome’s taxiway marking.
Usage Notes:
. Marking: A symbol or group of symbols displayed on the surface of the movement area in order to convey aeronautical information.
Apron Marking
An event involving an aerodrome’s apron marking.
Usage Notes:
. Marking: A symbol or group of symbols displayed on the surface of the movement area in order to convey aeronautical information.
Obstacle Marking
An event involving an aerodrome’s runway marking.
Usage Notes:
. Marking: A symbol or group of symbols displayed on the surface of the movement area in order to convey aeronautical information.
. Obstacle: All fixed (whether temporary or permanent) and mobile objects, or parts 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.
Overrun Catch Equipment
An event involving an aerodrome’s overrun catch equipment.
Winch-Launch Equipment
An event related to winch-launch equipment.
Winch Failed
Winch failed.
Winch-Launch Cable Broke
Winch-launch cable broke.
Other Winch-Launch Equipment Related Event
Other winch-launch equipment related event.
Main Power
Main power.
Back-up Power
An event involving an aerodrome’s back-up power.
AERODROME SERVICES/OPERATIONS
An event involving aerodrome services/operations generally.
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