"This aircraft can take off within 125 meters because a portion of the engine thrust is deflected downwards, " said Dr. Iannelli.

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Engine-related groundings are not common, but when they occur the fact that only a portion of the fleet is equipped with the flawed engine would presumably enable the rest of the fleet to keep flying.

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If, during the EV-only portion of the program, you think you might need full engine power, there's a button for that on the console.

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