May Madness

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Across
  1. 3. Chopped mint gambit
  2. 5. Wrapped up in blanket, a miner could easily take you into a very deep hole (8)
  3. 7. Block the other Johnson's instrument
  4. 9. More confident with you at mountaintop (7)
  5. 10. Licensed aeroplane crashes - what a way to travel (10, 7) (see 23 across)
  6. 11. Matchmaker inwardly decides on giving final performance (4,4)
  7. 12. After screw-up, public transport service's start goes off with a bang
  8. 16. Whip with wire tip, gruesome sort
  9. 18. Coachman hears crumbling Scottish mansion (13)
  10. 22. Even school leaver starts to understand adult life
  11. 23. Licensed aeroplane crashes - what a way to travel (10, 7)) (see 10 across)
  12. 24. Reversible boat? (5)
  13. 25. I, one cast adrift, kidnapped by cultists (8)
  14. 27. Sounds like was wicked by Loch Awe (3, 8)
Down
  1. 1. Redhead with real ale drink (6, 3)
  2. 2. Spice with tops of kaffir lime and nutmeg, say? (7)
  3. 4. This sucks, doctor
  4. 6. Consider island (4)
  5. 8. Sarah's motorbike dispatched for breakfast (8, 7) (see 21 down)
  6. 10. Con relation
  7. 13. Bird that is green
  8. 14. Stretching limits of credulity, go preaching dogma
  9. 15. New reviewer's doing all right
  10. 17. Kid is soppy before onset of naughtiness
  11. 19. Cross restaurant
  12. 20. Barrister's setter (4)
  13. 21. Sarah's motorbike dispatched for breakfast (8, 7) (see 8 down)
  14. 22. Sounds like queer riff could be Scottish (6)
  15. 26. Romish swine's ashtray pan