GRAND RAPIDS (WWJ) – An airliner bound from Grand Rapids to Detroit made an emergency landing after pilots noticed smoke in the cockpit.

The plane returned to Grand Rapids and landed safely Saturday.

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There were 55 passengers on board. No injuries were reported.

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Passengers were shuttled to the terminal at the Gerald R. Ford International Airport while emergency crews checked the plane.

The source of the smoke wasn’t immediately apparent.

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Federal Aviation Administration officials are investigating the incident