Georgian Airways Flight 834 crashes at N'djili Airport in Kinshasa, killing 32.

On 4 April 2011, Georgian Airways Flight 834, a Bombardier CRJ100 passenger jet of Georgian Airways operating a domestic flight from Kisangani to Kinshasa in the Democratic Republic of Congo (DRC) crashed while attempting to land at Kinshasa Airport. The aircraft, which was chartered by the United Nations, was trying to land during a thunderstorm. Of the 33 people on board, only one person survived. The incident remains as the United Nations' deadliest aviation disaster. It is also the third-deadliest air disaster involving the CRJ100/200, behind Comair Flight 5191 and China Eastern Airlines Flight 5210.

N'djili Airport, also known as N'Djili International Airport and Kinshasa International Airport, serves the city of Kinshasa and is the largest of the five international airports in the Democratic Republic of the Congo (DRC). It is named after the nearby Ndjili River.

Kinshasa, formerly named Léopoldville from 1881–1966, is the capital and largest city of the Democratic Republic of the Congo. Kinshasa is one of the world's fastest-growing megacities, with an estimated population of 17.8 million in 2024. It is the most densely populated city in the DRC, the second-most populous city and third-largest metropolitan area in Africa, and the world's twenty-second most populous city and fourth-most populous capital city. It is the leading economic, political, and cultural center of the DRC, housing several industries including manufacturing, telecommunications, banking, and entertainment. The city also hosts some of DRC's significant institutional buildings, such as the People's Palace, Palace of the Nation, Court of Cassation, Constitutional Court, African Union City, Marble Palace, Martyrs Stadium, Government House, Kinshasa Financial Center, and other national departments and agencies.

April 4 is the 94th day of the year in the Gregorian calendar; 271 days remain until the end of the year.