The Federal Aviation Administration’s New York Center advises the North East Air Defense Sector (NEADS) that United Airlines Flight 175 was the second aircraft crashed into the WTC.1

2

1 “September 11” Pentagon Memorial Fund n.d. Web. March 17, 2011 http://www.pentagonmemorial.net/remember/
2 “View from Brooklyn” 911 Digital Archive George Mason University n.d. Web. April 27, 2011 http://static.911digitalarchive.org/REPOSITORY/IMAGES/PHOTOS/221.jpeg