This Architectural Drawing is AutoCAD 2d drawing of Apache helicopter block in AutoCAD, dwg file. There is a pattern in U.S. Army helicopter names: the Apache, Blackhawk, Chinook, Lakota and several others. Experts say it is a nod to those warriors dating back to the American Indian Wars. "The Native Americans were probably the most lethal and unconventional force that we fought. For more details and information download the drawing file.