Air Algerie said it lost contact with one of its passenger aircraft nearly an hour after takeoff from Burkina Faso on Thursday bound for Algiers.
Flight AH 5017 had 110 passengers and six crew on board, officials said.
The plane is chartered from Spanish airline Swiftair. Swiftair said that the aircraft was an MD83.
Flight AH 5017 flies the Ouagadougou-Algiers route four times a week.