inertial navigation system

English

Noun

inertial navigation system (countable and uncountable, plural inertial navigation systems)

  1. (aviation) A self-contained navigation device that determines an object's position, orientation, and velocity without relying on external references.
    Synonyms: inertial navigation unit, inertial reference unit, inertial reference system
    Synonyms: INS, INU, IRU, IRS
    Hyponym: ADIRU
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