Answers based on "How well do you know how to get about?"
1) Bulgaria when not over ground (11) - (I assume "Underground?")
2) Singe what sounds like a financial institution (9)
3) No petrol or diesel or batteries or rails, yet it carries many with poles (10) - I have thought of "Brigantine".
4) Take off after being asleep an hour, baffled (8) - this one totally baffles me!
Thank you for any help.
palanquin
ˌpalənˈkiːn/
noun
(in India and the East) a covered litter for one passenger, consisting of a large box carried on two horizontal poles by four or six bearers.