Newark NJ (Essex) At 11:15 hrs Newark Fire Headquarters transmited a box for a plane crash into several homes @ Springfield Ave and S 19th Street. Upon arrival the first units reported a small plane (1964 single-engine Beech Bonanza 35) into 477 Springfield Ave. The crash left several home ingulfed in flames, therefore a 3rd was transmitted within five(5) minutes. A total of 4 doa at the scene and as many as 10 people transported to area hospitals for injuries. This is a ongoing operation as the Urban Search & Rescue has been activated.