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Mandatory (ALD_4)

DGIF baseline 2026-1, the latest. Earlier baselines: timemap.

RDF: ald_4.ttl

Name
mandatory
Attribute
ALD Altitude Description
Definition
Aircraft must be flown only at the specified altitude/flight level.
Accepted
2013-10-18
Allowed for

Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.