Flight technology

3. a hinged surface in the trailing edge of an airplane wing, used to control lateral balance
4. flight control surfaces, usually at the rear of an aircraft, which control the aircraft's pitch
7. sometimes referred to as wind gradient, is a difference inwind speed and/or direction over a relatively short distance in the atmosphere
9. relation or relevance.
10. a primary control surface used to steer a ship, boat, submarine, hovercraft, aircraft, or other conveyance that moves through a fluid medium (generally air or water).
12. a pitching moment is a vertical force applied at a distance forward or aft from the aerodynamic center of the aircraft, causing the aircraft to pitch up or down.
13. a geographic coordinate that specifies the north–south position of a point on the Earth's surface.
15. the force that directly opposes the weight of an airplane and holds the airplane in the air.

1. the height of an object or point in relation to sea level or ground level.
2. an aircraft's main body section. It holds crew, passengers, and cargo.
5. 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. the force which moves an aircraft through the air.
8. pitching moment is a vertical force applied at a distance forward or aft from the aerodynamic center of the aircraft
11. the force of wind or air resistance pushing in the opposite direction to the motion of the object
14. 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