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Threshold Course Width (TCW)
DGIF baseline 2026-1, the latest. Earlier baselines: timemap.
RDF: tcw.ttl
- Name
thresholdCourseWidth- Datatype
- RealNonNegative
- Definition
- The width of the final approach course at the Landing Threshold Point (LTP).
- Description
- This width, in conjunction with the location of the Flight Path Alignment Point (FPAP) defines the sensitivity of the lateral deviations throughout the approach. The value ranges between 80.00 and143.75 metres, inclusive, in steps of 0.25 metre.
- Accepted
- 2013-10-18
- Defined by
- DFDD
- Physical quantity
- length
- Recommended unit
- Metre (m)
- Used by
- GA281 Final Approach Segment (FAS) Data Block
Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.