London-Chicago Flight Descends 28,000 ft Within Minutes, Declares Emergency
Direct Source Verification:
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A squawk is a four-digit code that an aircraft's transponder sends to air traffic control. The code 7700 is used to signal a general emergency.
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Original Source
https://www.ndtv.com/world-news/flydubai-british-airways-ba295-emergency-london-to-chicago-ireland-12141824#publisher=newsstand
