This crossword No. 11713 clues and answers were published on Wed 21 Nov 2007 and the puzzle can be visited by following The Guardian Quick Crossword No. 11713 link.
All Across Clues and Answers:
5-across – Substitute : REPLACEMENT
7-across – Write-up of a death : OBIT
8-across – Lower jawbone : MANDIBLE
9-across – From which military planes fly : AIRBASE
11-across – Sea birds : TERNS
13-across – Sacred song : PSALM
14-across – Savage : BRUTISH
16-across – Plump : ROLYPOLY
17-across – Biblical ‘you’ : THOU
18-across – Two-piece wear for woman : TROUSERSUIT
All Down Clues and Answers:
1-down – Show contempt : SPIT
2-down – Wartime breathing aid : GASMASK
3-down – Human, perhaps : BEING
4-down – Occupier : RESIDENT
5-down – Lucky charm : RABBITSFOOT
6-down – One searching for skilled youngsters : TALENTSCOUT
10-down – Fuss : BALLYHOO
12-down – Type of cheese : GRUYERE
15-down – Trunk : TORSO
17-down – Violent ruffian : THUG
This crossword has in total 20 where 10 are across and 10 are down.