Cryptic crossword - The Scotsman 23/09/15

ACROSS

1 Living in absence of free oxygen in rickety aero cabin (9)

6 Solid apprentice in charge (5)

9 Be firm and accelerate (3,4,4,4)

10 Was newspaper covering mint? (2,3)

11 Evening service (6,3)

12 Wrong about American vehicle (7)

13 I had pun about French lord (7)

15 Again be including energy to ease burden (7)

17 Manner of drift first in channel (7)

18 Pear found in tropical waters (9)

20 Rule some more ignore (5)

22 Most important person, an Englishman! (4,2,3,6)

23 Act it out without words (5)

24 Not reasonable, only second half to a very high degree (9)

DOWN

1 A letter from Corinth (5)

2 Not the place to visit after a birthday (9,6)

3 Can be revived using this energy? (9)

4 Sidney taken in by workers as well (7)

5 Councillor about now with Edward who had been adorned (7)

6 Share that is for attractive young woman (5)

7 Something referee does when he denounces something publicly (5,3,7)

8 Canny Scot’s remarkable stability (9)

12 Garment worn by sailor during a new rite! (3-6)

14 Do not fully appreciate lower speed (9)

16 Name to authorise (7)

17 Wrong to be holding fellows in distress (7)

19 Good entertainer’s faint appearance (5)

21 Poor marshal accepted limited edition (5)