Home > Terms > English, UK (UE) > Terrain referenced navigation (TRN)

Terrain referenced navigation (TRN)

A navigation mode based on comparison of barometric altitude and radar altitude with a map. TRN combines INS with map references and is most accurate over rough terrain. It does not give accurate data while flying over flat areas or water.

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  • Part of Speech: noun
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  • Industry/Domain: Aviation
  • Category: Avionics
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Related terms

terrain referenced navigation (TRN)
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