Eurocontrol has reported that they have received notification of planned industrial action in the Brest and Bordeaux area control centres.
The ACC facilities are responsible for controlling aircraft en-route in a particular volume of airspace.
The strike is due to take place from 06:00 Monday 6th March until the evening of Friday 10th March.
Passengers planning to fly into or out of the areas affected by the strike should contact their airline to confirm the status of their flight.