11a One with great reason to adjust air in cab (8) - it feels like an anagram of air in cab but cant see it
10a Country store that my flog neckwear on radio? (8)...
27a Letter read out to staff is about final plans to acquire colony (6,7) I can fit summit meeting or Cayman Islands none of which makes sense 9d Marshall pens directive for senior politician (4,9) I...
9d It's a question about pop for a youngster (4,4,6)
15a Enter new info about books on radio (3,4,2)....keep thinking of set data in but it cannot be right...
17d Done with butter , I'll make beef slices(8)
I have -a-t-s-a but probably have something wrong ( mantissa or fantasia are the only words I can think of to fit the pattern )...