Cryptic Crossword #28,929

2

Bill's regular sex companion? (3)

3

Current state supporting the former refuge (5)

4

Slag off deserving author (10)

5

A sketch plane omits the first rule - it doesn't make so much sense (6)

6

Star pilot is a regular member of this group (4)

7

Change the fiber gasket — it protrudes slightly (3.6)

8

A bad team standard is hard to explain (7.4)

12

Happy to be back from the exhibition? (4,3,4)

14

The variable level is essential when reversing the fundamental theory (10)

16

Charge when flower is trimmed in private borders (9)

20

Right to get affectionate when you don't have time? (4.2)

23

Drink available at the end of university each year (5)

24

Equipment placed around a loch that covers much of Scotland (4)

27

Have the obligation to participate in the increase in the number of files (3)