This crossword No. 22471 clues and answers were published on Tue 19 Mar 2002 and the puzzle can be visited by following The Guardian Cryptic Crossword No. 22471 link.
All Across Clues and Answers:
1-across – Pick up lock key then lay down : ASSERT
4-across – Covert introduction of Scripture to cult : SECRET
9-across – Lisa is keener, they say : MONA
10-across – Division intended to report after leave : DEPARTMENT
11-across – Flicks off hospital machine switch : CINEMA
12-across – 2 type of beetle : COLORADO
13-across – The pledge of confinement : COMMITTAL
15-across – The last charge to Jerusalem : ZION
16-across – Middlebrows regret backing common currency : EURO
17-across – They’ll make short work of things : ABRIDGERS
21-across – Absurd ambition, not one to end in a province : MANITOBA
22-across – Washington Irving’s hollow shelter bagged by mole : SLEEPY
24-across – Cut out the occasionally Prussian style of skirt : BLUEPENCIL
25-across – See 27 : FREE
26-across – He has the power to cut blades – grass? : DESPOT
27-across – : ORANGE
All Down Clues and Answers:
1-down – Roman Io stirred Cupid : AMORINO
2-down – See 27 : STATE
3-down – All lit up in rave to raise charity : RADIANT
5-down – Strangely overlooked old solvers smuggling currency : EERILY
6-down – Commentary about the mother of two monarchs : REMARKING
7-down – Au fait with top Newcastle United form? : TUNEDIN
8-down – Tony Short added fungi raised on the farm as part of the bill : SPECIALBRANCH
14-down – Depressed spirit sinks off without energy into the gloom : MURKINESS
16-down – Given new powers, penal centre became sanguinary : ENABLED
18-down – Endlessly abuse a right to be withdrawn : INSULAR
19-down – Flush out Peter, the French prisoner : REPLETE
20-down – For example, lead and drive high up, finding top gear : BOLERO
23-down – Dainty morsel of mackerel, finely sliced : ELFIN
This crossword has in total 29 where 16 are across and 13 are down.