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Vertical Lower Limit (VLL)
DGIF baseline 2026-1, the latest. Earlier baselines: timemap.
RDF: vll.ttl
- Name
verticalLowerLimit- Datatype
- Real
- Definition
- The altitude, height or flight level of the bottom of the airspace, air route, or holding pattern.
- Accepted
- 2013-10-18
- Defined by
- DFDD
- Physical quantity
- length
- Recommended unit
- Metre (m)
- Used by
- GA043 Radio Navigation Service Limitation
- GA010 Air Traffic Service (ATS) Route Segment
Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.