Notification issued 1/12/17 at 7:00 PM. On Friday, 1/13, the New York Police Department Aviation Unit will conduct a multi-agency formation flight over St. Patrick’s Cathedral between 11:00 AM and 2:00 PM. The flight is in commemoration of the passing of Detective Steven McDonald. There will be approximately 10-15 aircraft during the flyover. The aircraft will fly over parts of Brooklyn, Staten Island, and Manhattan, including the Hudson River, Central Park, Saint Patrick’s Cathedral, and the Verrazano Bridge. The aircraft will be operating at an altitude of 1300-1500 feet.