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Across 4. A SPINNING AIROFOIL WHICH PRODUCES THRUST 5. WINGS PRODUCE THIS 6. CONTROL CENTER OF AN AIRCRAFT 9. THESE METAL FASTENERS HELD THE AIRFRAME OF THE SPITFIRE TOGETHER 11. LIGHT AND STRONG METAL 15. AIRCRAFT DESIGNED TO PERFORM EXTREME AERIAL MANEUVERS 16. ASSIST IN CONTROLLING AIRCRAFT FLIGHT 20. STUDY OF DRAG REDUCTION 21. FAMOUS AMERICAN AIRCRAFT MANUFACTURER 23. WIDTH OF WING 24. SHAPE WHICH REDUCES DRAG 27. PRODUCES THRUST IN MODERN COMMERCIAL AND MILITARY AIRCRAFT 30. A WW11 FIGHTER BOMBER MADE FROM PLYWOOD 31. WATER DUMPED FROM A GLIDER TO REDUCE WEIGHT AND GIVE LIFT 32. SHAPE WHICH PRODUCES LIFT 33. WITHOUT THIS SUBSTANCE NO AIRCRAFT CAN FLY 36. PRODUCES EXTRA THRUST 37. SITE OF FIRST POWERED FLIGHT 40. CONNECTS WINGS WITH THE TAIL 41. NAME GIVEN TO A TAIL STRUCTURE PLACED IN FRONT OF THE WING 43. NAME OF THE MOST SUCCESSFUL PASSENGER AIRCRAFT 46. FAMOUS BRITISH W.W.11 FIGHTER 49. AN AIRCRAFT CLIMBS TOO STEEPLY AND STOPS 51. STUDY OF FLIGHT ON THE EDGE OF THE ATMOSPHERE 54. RUSSIAN SST 56. NOSE OF THE PLANE DIPS DOWN 57. TWO OR MORE ANGLE CHANGES IN A WING 58. PROVIDES THRUST 59. LIGHT AND STRONG TIMBER 60. AREA OF RISING AIR SOUGHT BY GLIDER PILOTS

Down 1. A CLOTH AND TIMBER WW11 AIRCRAFT WHICH FLEW WITH THE SPITFIRE 2. A LIGHTER THAN AIR CRAFT 3. USED TO STUDY AERODYNAMICS BEFORE POWERED FLIGHT 7. STRUCTURE AT THE REAR OF AN AIRCRAFT 8. NON FLAMMABLE GAS USED IN AIRSHIPS AFTER THE CRASH AND BURNING OF THE HINDENBERG 10. FAMOUS AMERICAN WW11 FIGHTER AIRCRAFT 12. TERM USED FOR SPEED IN EXCESS OF THE SOUND BARRIER 13. FAMOUS AUSTRALIAN AVIATOR 14. NON MOTORISED AIRCRAFT 17. REUSABLE SPACE VEHICLE 18. UP AND DOWN MOTION OF THE NOSE 19. NAME OF THE LARGEST HEAVY LIFT TRANSPORT PLANE IN THE WORLD 22. FORCE WHICH PULLS AIRCRAFT DOWN 25. PRODUCED WHEN THE SOUND BARRIER IS BROKEN 26. CONTROL SURFACE ON THE TAIL 28. A VERY LIGHT AND STRONG METAL USED IN MODERN AIRCRAFT CONSTRUCTION 29. FLAMMABLE GAS USED IN EARLY AIRSHIPS 34. PREVENTS CUTS TO FINGERS 35. SLOWS A PLANE DOWN 37. FUEL FOR JET ENGINES 38. SIDE TO SIDE MOTION 39. REMOVES SMALL AMOUNTS OF BALSA 42. FRONT OF AN AIRCRAFT 44. COMPANY OFFERING FIRST AEROSPACE FLIGHTS TO CIVILIANS 45. MATERIAL USED TO COVER THE WINGS AND AIRFRAMES OF EARLY AIRCRAFT 47. HAS TWO SETS OF WINGS 48. WE ADD BALAST TO THE NOSE TO ACHIEVE THIS 50. END OF A WING 51. PRODUCES THE LARGEST PASSENGER AIRCRAFT IN THE WORLD 52. FAMOUS JAPANESE FIGHTER AIRCRAFT 53. WING SHAPE ON HIGH SPEED MILITARY JETS 55. DESCRIBES THE PRESSURE ABOBE A WING