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Threshold Crossing Height (TCH) (TCH)
DGIF baseline 2026-1, the latest. Earlier baselines: timemap.
RDF: tch.ttl
- Name
thresholdCrossingHeight- Datatype
- Real
- Definition
- The height above the runway threshold at which the computed glide path crosses the threshold.
- Synonyms
- TCH
- Accepted
- 2013-10-18
- Defined by
- DFDD
- Physical quantity
- length
- Recommended unit
- Metre (m)
- Used by
- GA098 Instrument Landing System (ILS) Glide Path
- GA281 Final Approach Segment (FAS) Data Block
- GA215 Terminal Instrument Procedure Minima
Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.