The threats are understood to have caused a flight to be grounded at an American airport.
Such a declaration would be grounded in present circumstances and could be reversed if future conditions so dictated.
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Officials later pointed to faulty battery systems in recommending the planes be grounded.
His retelling of the Pocahontas story may be grounded in historical research, but it floats toward the airiness of legend.
In May, a coroner ruled the Nimrod fleet, based at RAF Kinloss, had never been airworthy and should be grounded.
You can watch the planes but still be grounded, if only for a short break in the middle of your day.
And news reporting aircraft, traffic planes and helicopters, and airships and blimps operating under visual flight rules continue to be grounded.
Boeing made progress toward solving the battery problems that have forced its marquee 787 Dreamliner fleet to be grounded across the globe.
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Enthusiasts raised enough money to save the world's last remaining flying Vulcan bomber just days before it was due to be grounded.
That is, the assessments must be grounded on existing nuclear test data, nonnuclear tests, fundamental science experiments, and simulations using validated computer models.
The pilots will be grounded for two weeks for tests to ensure they were healthy during the flight and for questioning by investigators.
Last week it was revealed that aircraft would be grounded and fewer flights made from RAF Lakenheath due to cuts in American defence spending.
The board has not so far said the battery problem would endanger the safety of the plane in flight nor recommended that the planes be grounded.
Aspiring business leaders ought to be grounded in the humanities.
Despite later cancelling its flights, the Irish carrier Ryanair claimed it had made a test flight through ash over Scotland and challenged a ruling some flights should be grounded.
"We always want members of the church and our community to be grounded in how God wants us to manage the things he has entrusted us with, " Stacia said.
Such health-care changes must be grounded in a social consensus built over time, and the public may become receptive considering the convulsions that ObamaCare will start to inflict later this year.
The big question now is whether the tools of neuroscience will allow economics to fulfil Edgeworth's vision or, if that is too much to ask, at least to be grounded in the physical reality of the brain.
Though the aircraft, which shares some of Concorde's DNA but is nowhere near as complicated, was able to return to the skies, it suffered a withdrawal of technical backing and had to be grounded earlier this year, he said.
But that fairytale has since collapsed, and not only is Mallya shedding billions from his own net worth as a result, but his darling airline may soon be grounded for life and sold for scraps unless it can pay its debts.
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The bigger deal is that this is the same rocket that launches Russia's Soyuz spacecraft, which carry crew to and from ISS. The rocket will be grounded until the root cause of the failure is determined and a fix is put into place.
Jeff's fear of a mole may be well grounded, for the Mounties hope to strike a blow to Canada's cannabis business with a string of big, high-profile busts over the next several years.
While such projects offer reason to be positive, our members are grounded in the reality that much work still needs to be done.
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In the process, factuality has also been blurred: "No, " an Oscar contender in subtitled Spanish, should be seen as fiction grounded in historical events.
Returning grounded units to be ready for missions will require additional funds beyond Air Combat Command's normal budget, according to Air Force officials.
Harry could be anyone, since he is grounded in the real world, but is then whisked away to the wizarding world.
With PAL grounded, he would be free to hire the carrier's unemployable pilots, stewards, maintenance and ticketing people for cheap wages - and probably on a contractual basis.
After the crash, certification allowing the 12 existing Concordes to fly was withdrawn and the jets, operated by Air France and British Airways, were grounded until safety could be assured.
While no one wants to see a new design grounded, we can be confident that the well-being of passengers and crew members is not at risk and that the Dreamliner will soon be airborne.
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