Investigators said last month they found a single feather and evidence of "soft-body impact damage" on the aircraft. The find reinforces the pilot's report that the plane was brought down by a flock of birds.
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Pilot Chesley B. "Sully" Sullenberger, 58, told investigators his aircraft struck birds, disabling both engines, about 90 seconds after takeoff from LaGuardia Airport in New York.

The feather, found on a flap track on the wing, was also sent to identification experts at the Smithsonian Institution last month.