Investigators are scrambling to figure out why a military helicopter and a passenger airplane collided and plunged into the Potomac River in Washington DC late Wednesday, the first major US air crash in 16 years.
From the little that is known, human error likely played a role, raising questions about a chronic shortage of air traffic controllers and pilots. Authorities may also be looking at coordination between military and civilian aviation.
An Army UH-60 Black Hawk helicopter carrying three soldiers apparently plowed into the tail of a Bombardier CRJ-700 jet out of Wichita as it was less than a mile from landing at Reagan National Airport. The flaming remains of both aircraft tumbled a few hundred feet into the shallow, icy river.
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