Keyword: Air Algérie
French inspectors said recovered cockpit recordings were 'so far unusable' to explain crash over Mali in which 116 died, 54 of them French.
The flags will be lowered for three days as of Monday, while President Hollande has said bad weather was the likely cause of crash.
There were no survivors from among the 116 people aboard the plane, 54 of them French, which crashed in desolate terrain in NE Mali.
Malian president says remains of the plane on loan to Air Algérie, carrying more than 50 French nationals, was found in remote desert region.
The MD-83 airliner, on loan from Spain's Swiftair, was carrying 110 passengers from Burkina Faso to Algeria early on Thursday.