Gator my youngest is only 10 months but I still can't answer your question about how to prevent an almost crawler getting frustrated, I don't think there is an answer. Henry used to roll about right across rooms before he crawled (he was also a commando crawler for months before he proper crawled, and could commando crawl just as fast as he proper crawls, or almost) and so his mobility came in gradual stages... do you have rugs and carpets? Tiles and wooden floors are obviously much easier to get going on if he's trying to commando (caterpiller) crawl, though carpets better if he's up on all 4s... Not really useful, its just a frustrating week or so then he'll be off, and you'll be frustrated with all the things he can suddenly destroy or endanger himself with, but he'll be happy :)
I had my first child at 30 and my last at 35 (and one in between at 32) As 2 of them have been non sleepers and all of them monkeys I therefore look 97 and haggered (and rotund as I tend somewhat uncontrollably to the terrible habit of replacing sleep with sugar), but am actually 36 :)
Munich is our nearest airport now, and for 6 months when DH and I first knew each other, pre kids and pre my foolish career change to underpaid (IMO) teacher, DH had to return to Regensberg to complete his degree and I flew into Munich almost every weekend! I did sometimes catch the train, but 11 years ago, so am still not much help. I remember it as very easy despite having no German then, but can't remember actual timings. Munich airport is medium sized - more like Stanstead, nothing like Heathrow (not sure if that helps).
Hope your DD is better by tomorrow Silken, 2 hour still sounds a long nap to me, don't think any of my kids have ever had regular naps of that length, more an hour and a half max (or about 17 minutes in Henry's case) or is that an illness induced one?
Got to teach tonight, so better get on with dinner so as to be able to eat immediately DH gets home then flee out the door! After getting changed of course - it struck me today that one of the more soul destroying aspects of spending all day with small children (esp a 10 month old) is that I am constantly filthy and pulled out of shape somehow - how people with toddlers and babies manage to be glam is beyond me, unless they have paid household help or use more hours of childcare than they work...