An Air Force One lookalike, the backup plane for the one regularly used by the president, flew low over Manhattan on Monday morning, accompanied by two F-16 fighters, so Air Force photographers could take pictures. But a lack of awareness about the flyover led to the evacuation of several buildings in Lower Manhattan and Jersey City, and perplexed officials at the Port Authority of New York and New Jersey and other authorities were inundated with calls from anxious ferry passengers, office workers and residents.

Jim Peters, a spokesman for the Federal Aviation Administration, said “the photo op was approved and coordinated with everyone.” Notification was made in advance to the mayor’s office, “including its 911 and 311 operation centers,” the New York City Police Department, the New Jersey State Police, the United States Park Police and other agencies, he said.

Later on Monday morning, the Police Department acknowledged …