QUICK CLUES
ACROSS
1 Justifiably (4,6)
6 Central US state (4)
10 Easily bribed (5)
11 Seriously (2,7)
12 Official permission (8) 13 Badinage (5)
15 Specialised school (7)
17 Fast sailing ship (7)
19 Hand over (7)
21 Charming (7)
22 Wanderer (5)
24 To support (8)
27 A benefit (9)
28 Prevent from happening (5) 29 Secrete (4)
30 Gradually (4,2,4)
DOWN
1 Brandish (4)
2 Fruitlessly (2,2,5)
3 A survival (5)
4 Necessary skill (7)
5 Of the high seas (7) 7 Carrion-feeding animal (5)
8 Not functioning properly (3,2,5) 9 Discord (8)
14 Nonsense (10)
16 Surroundings (8)
18 Showing foresight (9)
20 Piece left over (7)
21 Favourable review (5-2) 23 Brilliantly coloured (5) 25 Sycophant (5)
26 Halt (4)