1: Rita Mears breaks wind near a plane (9)

5: Got excited by unusual tulip (3,2)

8: Place vermin's raised for new business venture (5-2)

10: Implement box for young cat (3)

11: However, you expect trouble at first (3)

12: Reliable, timeless jet (5)

13: They say the headmaster should be guided by this (9)

16: Doctor's swell operating (7)

17: Reportedly regret cutting remark in quarrel (7)

18: Seabird coming back around by mistake (7)

19: Result of firing against African tribe (7)

21: Coaches of 'Cryptic' curst nits (9)

22: Smells renovated doors (5)

23: Club with space for some money (3)

25: Throw out faulty nib (3)

26: Strut about Lands End with a dogs tail? (7)

27: Vapour in the street the final morning (5)

28: It causes a crash for one who owns a lot? (9)

1: Helps jazz musicians after the first (7)

2: Carelessly let teeth rot completely (2,3,6)

3: Essential part of Cayce's power! (3)

4: Trespass upon a moniker exploited by commercials (4,7)

5: Clothilda is carrying a parcel (3)

6: Attempt test (3)

7: Lead around other green (7)

9: Perfume ingredient extracted from lamb ..... er, gristle (9)

13: Criticise a computer analysis of famous passage (6,5)

14: Put hot cocoa out for someone glued to the TV (5,6)

15: Gregorian chant emanates from unmelodious Anglo spin (9)

18: Furies, in ancient Greece or Ireland? Certainly! (7)

20: Shell compensate for loss in certain risky starts (7)

24: Odds of niece being born (3)

25: Behind and down and out (3)

26: Sounds like a bright child (3).