An Air Algerie flight, with 116 people on board, has dropped off the radar, prompting a search for the missing plane, the airline's operator said Thursday.

Flight AH 5017 lost radar contact 50 minutes after takeoff from Ouagadougou, Burkina Faso, at 1:17 a.m. Thursday local time (9:27 p.m. ET Wednesday)

It was supposed to have arrived at Algiers' Houari Boumediene Airport at 5:10 a.m. local time. (12:10 a.m. ET Thursday).

The plane, an MD-83, is carrying 110 passengers, two pilots and four crew members. The MD-83 is part of the McDonnell Douglas MD-80 family of twin engines, single-aisle jets.

A private Spanish company, Swiftair, operated the plane for Air Algerie.

"We have lost contact with the plane," Swiftair said.

"At this moment, emergency services and our staff are working on finding out more on this situation."