1: Ships use up aid at sea; remain in a grave situation (4,2,7)
8: Belonging to you, is getting to me, Herb (5)
10: In trial, at conclusion of evidence, Will is nowhere to be found (9)
11: Stay in the air? But we're lost! (5)
12: Nude redhead receiving backward glance is one serving drinks (9)
13: Star Trek role, beginning to end, is the pits (5)
16: Closely observes public transport viewing problem (9)
17: Harsh taxes on certain salts (9)
20: More than one spoke in the sequel to 'Far Out'? (5)
22: Ore crusher uses sticker for 1/10 cent (5-4)
23: Succinct commission document (5)
24: Cooked moist rice is a sexual stimulant (9)
25: I turn, lost, in Italian city (5)
27: I'll go geld guys - suprisingly he laughs raucously. (7, 6)