A plane vanished in 1947 after sending "stendec" in Morse Code

According to Boing Boing, one of aviation's strangest mysteries traces back to August second, nineteen forty-seven, when a British airliner called the Star Dust left Buenos Aires bound for Santiago and disappeared over the Andes. Just four minutes before its scheduled landing, the plane's radio operator tapped out a final Morse code message that ended with a single, baffling word: "STENDEC." No one has ever convincingly explained what it meant. The aircraft itself stayed lost for decades before its wreckage finally turned up in the mountains, but that cryptic sign-off has kept the puzzle alive ever since.

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