"CHRISTMAS CROSSWORD(AIRCRAFT NAMES)": HTML5 Crossword

Across

5. WHERE THE SEA ANIMALS SLEEP/ (7)
6. WHAT YOU DO WHEN YOU SLEEP/ (5)
7. ANNOYING INSECT/ (8)
8. BIRD OF THE EVENING/ (0,9)
10. RAISING THE NIGHT SKY/ (0,10)
12. IS IT OR IS IT NOT/ (6)
15. MASTER OF THE SEA/ (3,4)
16. THIS MAY SHOOT FLAMES/ (8)
19. BIG CAT/ (0,4)

Down

1. WATCHFUL OR OBSERVANT/ (8)
2. BIG BIRD/ (5)
3. NORTH AMERICAN INDIAN/ (0,7)
4. ROMAN GOD/ (8)
5. CASTLE IN THE AIR/ (6,8)
9. AN AFRICAN DEER/ (7)
11. NORTHERN ENGLISH TOWN/ (9)
13. YOU MAY SEE THIS WHILE STARGAZING/ (6)
14. GUARDIAN OF THE GATES/ (6)
17. GHOSTLIKE/ (7)
18. CENTRE OF FORCE/ (0,7)