Since the incident a no-fly zone for drones around United Kingdom airports has been widened to three miles.
A spokesperson for Dublin Airport Authority said a pilot reported a drone sighting to the Irish Aviation Authority (IAA), which operates air traffic control at Dublin Airport, at about 11.30am.
Dublin Airport was forced to temporarily suspend all flights on Thursday afternoon following a "confirmed sighting of a drone" near its airfield. But if that's true, and costly drone-mitigation features can be outfoxed by simply hiding behind a shed for a bit, the airports are surely fighting a losing battle in this war on bored men with drones.
Meanwhile, flights to and from Dublin Airport in Ireland were briefly halted after a drone was spotted over the airfield.
Shortly after midday local time the airport tweeted that flights have resumed.
From 13 March it will be illegal to fly a drone within three miles of an airport, rather than the current 0.6-mile (1km) exclusion zone.
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"The safety and security of passengers is always our key priority".
According to The Times, two sources inside Whitehall say the drone was flown in front of air traffic controllers in an area where mobile phones were banned so they couldn't photograph or film it.
In January, Transport Minister Shane Ross called a special meeting of the National Civil Aviation Threat and Risk Group to advise him on the recent incidents in the United Kingdom and their implication for Irish airports.
No one has been arrested over the incident, which saw the airport shut for parts of three days.
Sussex police have faced severe criticism over their handling of the affair after arresting the wrong couple and causing confusion by suggesting that there may have been no drone at all, before swiftly correcting this.
Transport Secretary Chris Grayling will say: 'The law is clear that flying a drone near an airport is a serious criminal act.