    Sentence 1: From 9.34 to 10.08, o Commend Center  foclty manager provided frequent updates to Ading  Depuy Adminstotor Morte Belger ond cther  wcutives ot FAA headquarters as United 93 headed  toward Washington, DC.    Sentence 2: The United 93 plone stopped flying ot  10.08 ond the updates cecsed