The aircraft, a Boeing 737-800MAX with flight number ET 302, lost its flight at 08:44 local time shortly after takeoff, at 08:38 local time from Bole International Airport in the Ethiopian capital airline said in a statement.
The plane crashed at Bishoftu southeast of Addis Ababa. The airline believes that 149 passengers and eight crew members were on board.
"Search and rescue operations are ongoing and we have no confirmed information about survivors or possible causes."
"Ethiopian Airlines staff will do this to be sent to the scene of the accident and do everything possible to support the emergency services," added the airline.
The airline added that a passenger information center and hotline will soon be available to families or friends of those who may have been fleeing.
The Ethiopian Government expressed their deepest condolences to the families of those who did so "Ethiopian Airlines' Boeing 737 members lost their relatives on a regular scheduled flight to Nairobi, Kenya this morning," said the Ethiopian Prime Minister Abiy Ahmed on Twitter.
The Boeing 737-800MAX is the same type of aircraft as the Indonesian Lion Air Jet, which crashed shortly after take-off from Jakarta ̵
The last serious accident involving an Ethiopian Airlines passenger plane was in January 2010, when a Beirut flight crashed to death, killing 83 passengers and seven crew members.