Port Authority of New York and New Jersey police department spokesman Joseph Pentangelo says the accident occurred around 2:20 a.m. Saturday in a maintenance area of the airport across from Terminal A.
The victim was struck by a CommutAir plane that was not on the runway at the time. Ohio-based CommutAir operates flights for United Express.
The injured woman, a 54-year-old Orange resident who works as a cleaner for a private company, suffered a head injury. She was hospitalized in critical condition.
Authorities say the cause of the accident remains under investigation.
Officials say the accident didn't disrupt airport operations.
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