There were no injuries. A man and a woman who were aboard the plane were lifted from the water by a helicopter.
Elizabeth Sanchez, 32, pleaded guilty in June to first-degree manslaughter and second-degree rape in the killing and assault, the district attorney said.
Rami Najm Asad-Ghanem, 53, was convicted in what prosecutors said was a scheme to sell surface-to-air missiles.
The Philadelphia mayor said Tuesday he believes the change in leadership will help reform long-standing issues of racial, ethnic and gender discrimination.
Maurice Hill, 36, has been charged with attempted murder and other charges relating to the nearly eight-hour armed standoff that left six officers hurt.