1. Nothing (British)
5. Clods
9. Relating to aircraft
13. Food thickener
14. Chafes
16. 62 in Roman numerals
17. Abominable Snowman
18. Not last
19. Foundry
20. Religious splinter groups
22. Explodes
24. Ancient units of liquid measure
26. Seminal fluid
27. Rouse
30. Rattle
33. Chewing noisily
35. Fall color
37. In what way
38. Makes changes to
41. Be unwell
42. Make improvements
45. Beverages
48. Laud
51. Aircraft engine enclosure
52. Parental brother
54. Rubber wheel
55. Jingles
59. Compacted
62. A D-Day beach
63. Utilize
65. How old we are
66. Fog
67. Parisian subway
68. V V V V
69. Sore
70. Where a bird lives
71. Sea eagle
2. Curved molding
3. An observation tower
4. "Heavy" hydrogen
5. Not on
6. Dry
7. Fees for buses
8. Scheme
9. Annual book of information
10. Way out
11. Anger
12. Anagram of "Silo"
15. Leaf opening
23. Roman emperor
25. Anagram of "Ties"
27. Dull pain
28. Chew
29. Terminate
31. Rival
32. Disney mermaid
34. Defraud
36. If not
39. 2,000 pounds
40. Immediately
43. Risqué
46. Corrosive
47. Deprive through death
49. Vamoose
50. 1 less than a dozen
53. Gladden
55. Russian parliament
56. Ear-related
57. Deep cut
58. Knights
60. Observed
61. Anagram of "Sees"
64. A parcel of land