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Known as Dumbells, restricted operations signals must be displayed in the signal area at an aerodrome with more than one surface on its movement area. As can be seen in the diagram below, such signals consist of 2 white circles, 1.5 meters in diameter, connected by a white cross bar 1.5 meters long and 0.4 meters wide. Weather Watch Dumbells are made from white, ’Series 3’, UV stabilized materials, giving maximum durability while providing excellent ground visibility. Weather Watch dumbells are backed by a 12 month guarantee against workmanship defects and are manufactured according to CASA specifications. |
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