Rockets have shot down passenger planes before. Here are a few examples:
October 4, 2001
Ukraine's military is conducting an exercise shooting missiles at drones when one missile locks onto a Siberia Airlines plane en route from Novosibirsk to Tel Aviv. All 78 people on board are killed.
July 3, 1988
U.S. warship Vincennes mistakes Iranian passenger plane for a threatening warplane during the war between Iraq and Iran. All 290 people on board are killed when the airliner is shot down over the Gulf.
September 1, 1983
A Soviet fighter jet shoots down a Korean Air Lines passenger jet over Soviet airspace after mistaking it for a spy plane. All 269 people on board are killed, including U.S. Representative Lawrence McDonald of Georgia.
April 20, 1978
A Soviet fighter plane attacks an off-course South Korean jetliner. Two passengers die after the plane is forced to crash land.
February 21, 1973
Israeli jets fire at a Libyan Airlines flight traveling from Tripoli to Cairo that drifted into Israeli airspace. Israel claims the plane refused to identify itself. The airliner loses control and crashes, killing 108 people. Five survive the crash.