Which among the following is the first aircraft to fly around the world without refuelling?
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Challenger
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Colombia
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Discoverer
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Voyager
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Silverstone
D
Correct answer
Explanation
The Rutan Voyager was the first aircraft to fly around the world without refueling in 1986. However, there's an error in the options - the question asks about the first non-stop flight, which was actually by a B-52 in 1957, but Voyager was the first without refueling (carrying all fuel onboard). The marked answer (Voyager) is correct for 'without refueling' in the sense of carrying all fuel from start.