Aerospace Navigation

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Across
  1. 4. A compass “error” resulting from the fact that at most points on the Earth’s surface the direction of the magnetic lines of force is not toward the geographic North Pole
  2. 8. mean sea level
  3. 10. Navigation of an airplane solely by means of computations based on airspeed, course, heading, wind direction and speed, groundspeed, and elapsed time
  4. 12. Navigation by visual reference to landmarks
  5. 13. Amount by which a ship’s magnetic compass needle points to one side or the other of magnetic north
  6. 15. geographic north
Down
  1. 1. A predetermined geographical position
  2. 2. airspeed of an aircraft relative to undisturbed air
  3. 3. Measure of the speed of aircraft and boats measured as nautical mile per hour
  4. 5. Rules governing the procedures for conducting instrument flight
  5. 6. The horizontal direction to/from any point measured clockwise from north through 360 degrees
  6. 7. Altitude expressed in feet measured above ground level
  7. 9. a tool for measuring the angular altitude of a star above the horizon
  8. 11. course corrected for variation and deviation that is referenced to geographic north
  9. 14. Rules that govern the procedures for conducting flight under visual conditions