2652: A and M

The unclued Across lights are of a kind, as are the related unclued Down lights. The yellow and red squares, when read in order row by row, confirm the theme.

        Across

   1    Feel rip-off by stewards providing obligatory features on board (4,10)

11    Section of grammar review of Aeneid (three chapters) (9)

17    Pulling evenly, stripped part of a bone (5)

20    Vintage model – it crashed (3-4)

21    Daub top layers of special paint on gatehouse (7)

24    Threaten to drive around small state (7)

25    Learn about description of organ (5)

26    Passions and fashions! (5)

28    Small middle-distance runners are happy folk (7)

31    Go back on poetry (7)

34    Dance as a rule? (7)

37    Stunner shed tears having again taken test the wrong away (5)

38    Fish kept on board (5)

39    Fender, say, mostly good for Mac on the road? (6)

40    Con artist regularly produces pastoral songs (4)

41    Catching four points on a jewellery item (9)

42    Old army and navy department at lake (4)

43    Spreading panic about Amen Corner gigs (14)

         Down

   1    Chemistry student’s test paper (6)

   2    Loud isn’t very soft (5)

   3    Cut, we hear, in two? (6)

   4    Corrupt police leader leaves bug (1,4)

   5    European fellows set up metal soldiers (7)

   6    Municipal official caught out booking more goods (7)

   7    Pastry from Bloom, cycling (6)

   8    He’s loyal – about to answer the phone (3,5)

10    Aerofoils a panellist reconstructed (10)

13    Recommend guests get changed around midnight (7)

15    Faded white mixed with scarlet (8)

23    Reblochon and Morbier, say, out of time (8)

27    Not mad about unfashionable priest’s cassock (7)

32    Countenance struggle to contain decline (6)

33    An offence, in, say, relaxing (6)

35    Finch, French canary or some passerine (5)

36    Kenyan warrior tribe appeal during 31 days in France (5)

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