Flight technology

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Across
  1. 3. push (something or someone) suddenly or violently in the specified direction.
  2. 4. a title at the head of a page or section of a book.
  3. 5. pull (someone or something) along forcefully, roughly, or with difficulty.
  4. 8. a state in which opposing forces or influences are balanced.
  5. 9. the angular distance of a place east or west of the meridian at Greenwich, England, or west of the standard meridian of a celestial object, usually expressed in degrees and minutes.
  6. 10. the height of an object or point in relation to sea level or ground level.
  7. 12. a platform or compartment housed in a shaft for raising and lowering people or things to different floors or levels.
  8. 13. a flat piece, usually of wood, metal, or plastic, hinged vertically near the stern of a boat or ship for steering.
Down
  1. 1. a person's way of standing or moving.
  2. 2. the main body of an aircraft.
  3. 6. raise to a higher position or level.
  4. 7. variation in wind velocity occurring along a direction at right angles to the wind's direction and tending to exert a turning force.
  5. 9. the angular distance of a place north or south of the earth's equator, or of a celestial object north or south of the celestial equator, usually expressed in degrees and minutes.
  6. 10. a hinged surface in the trailing edge of an airplane wing, used to control lateral balance.
  7. 11. a structure with curved surfaces designed to give the most favorable ratio of lift to drag in flight, used as the basic form of the wings, fins, and horizontal stabilizer of most aircraft.