#pilotage__navigation__piloting  the guidance of ships or airplanes from place to place
  supertype:  #steering.control__guidance__direction  the act of setting and holding a course; "a new council was installed under the direction of the king"
  subtype:  #instrument_flying  navigation of an airplane solely by instruments
  subtype:  #celestial_navigation__celestialnavigation__astronavigation  navigating according to the positions of the stars
  subtype:  #dead_reckoning  navigation without the aid of celestial observations

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