Cryptic Crossword

Both sets of clues fit both grids

ACROSS

6 7 9 10 11 13

Drive out to get composer (5)

Suspend a right lot of aeroplanes here (6)

Soften copper on his round (7)

The thank-you letter (5)

Beautiful blonde (4)

Switch her, and set (6) 15 16 17 20 22 23

Young dog I left with student (5)

Senior lecturer is book lover (6)

Cut back quiet insect (4)

Housing fine group of soldiers but not qualified (5)

Indian joke – Punch has one (7)

Sheep returns in a boat found here? (6) 24 1 2 3 4 5 6 8 12 13 14 15 18 19 21

Casual liaison with fuzzy-headed Heather (5)

DOWN

A green steamship in Arabic translation (8)

Call in to see half a dozen and pose (5)

Registered to improve river (5)

Sign first letter (7)

Man finds post, reportedly (4)

Four voices terribly noisy (10)

Most important season to find part of a watch (10)

Pelt every other one in flurry (3)

Cool and trendy joint (3)

Spectacular on stage (8)

Refer to unreliable painter (7)

Shock with a Scandinavian rising (5)

Japanese artist, very loud and unsteady (2-3)

One article in Financial Times on Italian car maker (4)