I'll be the odd man out then. I say go for it if the renter will allow you to take the aircraft abroad and he's checked you out. This isn't rocket science and whatever you don't happen to know beforehand, you will learn along the way. Don't be like males in cars - ask the controller when you're unsure. No question is too stupid in my book. So what if you don't know the exact wording of that country's procedure for radar service? Just ask for radar service - they'll understand. If they can't/won't give it to you they'll tell you. Read up on some AIP's so you know the basic rules for flying in Germany and then go. Holland has a Mode S requirement above 1200ft, I believe, and chances are your old 150 won't have that. But Holland is also avoidable. Stuff like that.
It's a great learning experience and exactly what flying is all about.
Last edited by AdamFrisch; 2nd Aug 2013 at 21:28.