There was a very interesting documentary on Sky a few Years ago and it was based on the effects of a sun storm on Canada/NewYork and if the facts are correct the possible effects on the ground could be quite extensive ,
I would guess that manufactures of aircraft will have taken EMP Very serious and will taken steps to eliminate its effects as mush as possible
Now I believe that Nasa Have 2 satellites in position to monitor such an event and give some amount of warning of its approach and to switch those systems at risk off until the storm has passed

In the URL http://science.nasa.gov/science-news/science-at-nasa/2009/29may_noaaprediction/ dated 29 May 2009 (you quoted previously) and the one I opened the thread with is also from NASA http://www.nasa.gov/mission_pages/stereo/news/solarstorm3D.html dated 14 April 2009 the problem is being identified, and commented on and they claim to have 2 satellites in position acting as possible warning systems.

Is there evidence to show that aircraft manufacturers are taking this seriously as well as airbourne and ground support equipment manufacturers?
e.g. existing satellites launched previously cannot be easily protected and may be part of the essential guidance support systems aircraft all over the world depend on.

Other than NASA has anyone seen or able to quote any evidence of European scientific interest or research into this topic?

Unlike the pre Y2K predictions of doom and gloom including aircraft going haywire because of failing ATC and radar computers (none of this ever came to pass) and other utilities on the ground having crises this problem looks real.