Off-Route Terrain Clearance Altitude

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Term Off-Route Terrain Clearance Altitude
Status


Mandatory for


Contexts


Categories
Synonyms


Related entries


Broader term


Narrower term


Abbreviation

  • ORTCA

Definition

An altitude which provides at least a 3000 foot clearance from terrain when operating outside the established airway structure.

Definition Source

  • AIFDD

Note

This altitude may not provide signal coverage from ground-based navigational aids, air traffic control radar, or communications coverage.