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At or Below (ALD_3)
DGIF baseline 2026-1, the latest. Earlier baselines: timemap.
RDF: ald_3.ttl
- Name
atOrBelow- Attribute
- ALD Altitude Description
- Definition
- Aircraft shall be flown at the specified altitude/flight level or lower.
- Accepted
- 2013-10-18
- Allowed for
- GA005 Airspace
- GA024 Terminal Arrival Altitude (TAA) Sector
- GA210 Procedure Segment Leg
- GA520 Air Refuelling Procedure
Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.