4d. He's employed as a book-keeper (9) ?A?R?R?A? Second letter is 2nd letter of 7a otherwise I'd be thinking LIBRARIAN
5d. Escape - manage to catch on a road (7) ?E?A?A? Again 2nd letter is 4th letter of 7a
19a&7a Means of broadcasting for flying concerns? (8) (should be 3,5) I have AIR WAVES.....but it's the 7a bit WAVES that's throwing me out with 4d and 5d...