National Transportation Safety Board Chair Jennifer Homendy speaks during a news conference Friday in Washington about the fatal Black Hawk-jet collision on Jan. 29. (Mark Schiefelbein/AP ...

A 3-D model created by The Times visualizes the helicopter pilots’ field of view ... jet in Washington. By Helmuth Rosales, K.K. Rebecca Lai, Mika Gröndahl and John Ismay What two Black Hawk ...