nautical or not?

123456789101112131415161718192021
Across
  1. 3. drawn to shoot
  2. 4. Frankfurt am..., Spanish..., but not exactly lion's...
  3. 5. part of a crane
  4. 8. person who jumps rope
  5. 9. a measure of distance
  6. 10. there's a canal that sounds like this
  7. 14. something holding us back
  8. 15. there's something sounds like it on Black Friday
  9. 16. Dubliner
  10. 17. they put aerials or flags on them
  11. 19. mis-spelt street way
  12. 20. cut from a tree for writing in
  13. 21. it can be a pickup or a straight drawing
Down
  1. 1. Happy Days character
  2. 2. equine
  3. 5. rubbish sometimes when not nautical
  4. 6. ...Peter used to be on the telly
  5. 7. measure of understanding - I can't xxx it
  6. 11. Harry in the school play area
  7. 12. alley or route
  8. 13. player who takes the penalties
  9. 18. farmer who ploughs