Across
- 5. duration of use
- 6. make a motion picture
- 8. planes do it when they arrive
- 9. revolve round an axis
- 11. produces an axial force when rotates rapidly
- 12. not heavy
- 13. device for measuring or maintaining orientation
- 15. transforms electrical energy into mechanical energy (rotation)
- 16. what is the aircraft carrying
- 17. the front of the aircraft
Down
- 1. a helicopter with four propellers
- 2. rise high
- 3. camera's name
- 4. go down fast
- 7. stores electrical energy
- 8. a little component which makes light
- 10. birds do it
- 13. global positionning system
- 14. indicates the North