This crossword No. 9967 clues and answers were published on Mon 15 Apr 2002 and the puzzle can be visited by following The Guardian Quick Crossword No. 9967 link.
All Across Clues and Answers:
1-across – In the doghouse : DISGRACED
8-across – Submarine : UBOAT
9-across – North Star – missile : POLARIS
10-across – Pool for water plants : LILYPOND
11-across – Dried surface of wound : SCAB
13-across – : EVENLY
14-across – Biblical hunter – aircraft : NIMROD
16-across – Piece of cloth round waist or shoulder : SASH
17-across – See 21 : UPONTYNE
19-across – Protection against noise : EARPLUG
20-across – One with a low view of human nature : CYNIC
21-across – Northumbrian city : NEWCASTLE
All Down Clues and Answers:
1-down – Fruit-bearing tree : DATEPALM
2-down – Lying on one’s back : SUPINE
3-down – Regulation : RULE
4-down – Committed : CARDCARRYING
5-down – Refusal to do what one is told : DISOBEDIENCE
6-down – Character in Hamlet : GUILDENSTERN
7-down – Match ending 0-0 : GOALLESSDRAW
12-down – Highest point : PINNACLE
15-down – Peg – tap : SPIGOT
18-down – Mediterranean island : ELBA
This crossword has in total 22 where 12 are across and 10 are down.