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Drones: Boon or bane?
Critical for authorities to map an air traffic system for UAS: Experts
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Karamjit Kaur
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Drone sightings are not common at Changi Airport, so when one showed up unannounced on the night of June 18, there were serious concerns.
First spotted from the ground, it was flying over Changi Beach. The control tower was immediately alerted.
