Greece: Air Traffic Safety workers threaten strike from Sept 23-27

STRIKE – Air traffic safety workers plan to strike from September 23- 27 at 5 airports in Greece. Reconfirm flight status with airlines.

https://www.public.nm.eurocontrol.int/PUBPORTAL/gateway/spec/index.html

Another source:

Air Traffic Safety Electronic Engineers Association of Hellenic Civil Aviation:

work stoppages on Friday from 11:00 to 15:00, and 19:00 to 23:00

from Saturday 24 to Tuesday 27/09: from 3:00 to 7:00, 11:00 to 15:00 and 19:00 to 23:00

on Wednesday 28 and Thursday 29/09: 24 – hour strikes.

This might affect some regional airports

http://www.livinlovin.gr/strikes-work-stoppages-in-greece-updated/