Cryptic crossword - The Scotsman 20/11/14

ACROSS

1 Was an airline pilot ambitious to get to the top? (4-5)

6 Parade about, having strong support (5)

9 It’s about time one left-winger left work (7)

10 Although right one to put into a fairy tale, is apt to crumble (7)

11 Detect small change in the US (5)

12 Has to have some new wine; it’s unavoidable (5,4)

13 Did good American have to show enthusiasm? (5)

14 Made steps to organise careers (9)

17 Manage to reach agreement on bargain (9)

19 Had little time to replace one in foreign capital, so leaves (5)

21 Did an old Puritan have to ring a school principal? (9)

24 Having moved over, always had to put things on ice (5)

26 Check in the US with 1 down scratch pads (7)

27 Promote team failing to finish with a prime target (7)

28 Medic, say, started to supply left-overs (5)

29 Meditates about being assessed (9)

DOWN

1 Lets out part of the pitch; I rest my case (5)

2 Collects Hearts doled out after first game (7)

3 Expect early delivery in original job (5,4)

4 One’s trapped in a foreign country, but in a different one (9)

5 With nothing to worry about, head off to loot and pillage (5)

6 Agitates for teachers to adopt model prisons (5)

7 Is about to leap in to make a comeback (7)

8 Tries to set out a collection of critiques (9)

13 Made Kelly go in front of 29 across (9)

15 Change to last word before German soldiers, at last (9)

16 Had a vague notion that made ripe pear start to grow (4-5)

18 Complain about staging last gang-fight (7)

20 Dependent might preach over old priest (7)

22 Leave no trace, at times, of different regimes (5)

23 Guarantee, right away, to come next (5)

25 Deliver up proceeds of harvest (5)