1 Cheese (4)
2 Without Delay (6)
3 Not A Solid (6)
4 Type of War Ship (8.7)
5 University Lecturer (9)
6 As well (3)
7 Species (4)
9 Alright (abbr 2)
12 Logical Structure (6)
14 US Secretary of State (6.7)
15 Keeper of a Restaurant (12)
16 Airborne Soldier (11)
18 Distress Signal (abbr.1.1.1)
19 For'd Propellor (3.8)
20 Available (3)
21 Film Producer (5.8)
23 While (2)
25 Safety Tank (6.6)
29 Type of Rich Sweet Wine (8)
31 Turbulence Behind Vessel (4)
37 East Russian River (5)
38 Running Total At Bar (3)
40 Proceed (2)
41 Causes Illness (3)
43 Devon River (3)
45 Number Of Cables In Nautical Mile (3)
48 Refusal (2)