This crossword No. 9563 clues and answers were published on Wed 27 Dec 2000 and the puzzle can be visited by following The Guardian Quick Crossword No. 9563 link.
All Across Clues and Answers:
1-across – Find guilty – criminal in prison : CONVICT
8-across – Tending to arouse feelings : EMOTIVE
9-across – Fast sailing ship : CLIPPER
10-across – Band of attendants : RETINUE
11-across – Sea duck : EIDER
13-across – Large voracious sea bird : CORMORANT
15-across – Flying machine : AEROPLANE
18-across – Cook in closed oven : ROAST
21-across – Port in Morocco : TANGIER
22-across – Regular : UNIFORM
23-across – Cover and extend beyond : OVERLAP
24-across – Having claws : TALONED
All Down Clues and Answers:
1-down – Secret hiding place : CACHE
2-down – Water nymph : NAIAD
3-down – Unnoticeable : IMPERCEPTIBLE
4-down – Dread : TERROR
5-down – Open to question : CONTROVERSIAL
6-down – Capital of Austria : VIENNA
7-down – Loathe : DETEST
12-down – Inactive : IDLE
14-down – Common sense : NOUS
15-down – Operation – lawsuit : ACTION
16-down – Athlete : RUNNER
17-down – Sudden – blunt : ABRUPT
19-down – Decorate : ADORN
20-down – Domesticated : TAMED
This crossword has in total 26 where 12 are across and 14 are down.