"We will not be able take this until we know exactly what the result of the investigation is and how long it will take the airplane to get airborne again," Akbar al-Baker told Reuters on the sidelines of an event in Muscat.

Qatar Airways has ordered 20 Boeing 737 MAX jets.

(Reporting by Sylvia Westall, Writing by Alexander Cornwell; Editing by Louise Heavens)

Stocks treated in this article : Safran, Boeing Company (The), General Electric Company