For flights on flight level 130 over the Alps in Switzerland, SD issues the following warning:

Your journey passes through General Class C

Are you saying you have obtained a clearance to fly at exactly FL130, on the border between two airspace classes? Who issued that clearance?

+x

 

Tim Dawson - 7/9/2018 8:41:47 AM

Are you saying you have obtained a clearance to fly at exactly FL130, on the border between two airspace classes? Who issued that clearance?

No, a clearance is not necessary for flying in airspace E, in this case up to (and including) FL 130. There is also no 'between', FL 130 is part of airspace E because it is the lower airspace class.