Conditional Route

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Link Semantic Value
Term Conditional Route
Status


Mandatory for


Contexts


Categories
Synonyms


Related entries

Conditional Route Availability Message (CRAM)

Broader term


Narrower term


Abbreviation

CDR

Definition

an ATS route that is only available for flight planning and use under specified conditions.

A Conditional Route may have more than one category, and those categories may change at specified times:

a) Category One - Permanently Plannable CDR:

CDR1 routes are available for flight planning during times published in the relevant national Aeronautical Information Publication (AIP).

b) Category Two - Non-Permanently Plannable CDR:

CDR2 routes may be available for flight planning. Flights may only be planned on a CDR2 in accordance with conditions published daily in the CRAM, and

c) Category Three - Not Plannable CDR:

CDR3 routes are not available for flight planning; however, ATC Units may issue tactical clearances on such route segments.

Definition Source

EUROCONTROL (2010) Guidelines: The ASM Handbook, Airspace Management Handbook for Application of the Concept of the Flexible Use of Airspace, Ed. 3.0, Reference nr: EUROCONTROL-GUID-140

Note