The final hours of the workhorse airliner last known as EgyptAir Flight 804 were mostly unremarkable.

The plane crisscrossed the Middle East, Africa and Europe. From its hub in Cairo, it flew to Brussels and back on Tuesday, followed by a round-trip to Asmara, Eritrea, in East Africa. On Wednesday, it flew in and out of Tunis before traveling to Charles de Gaulle Airport in Paris, and left again for home that evening with 66 passengers and crew.

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