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Landing Distance Available Helicopter (LDAH) (LD1)
DGIF baseline 2026-1, the latest. Earlier baselines: timemap.
RDF: ld1.ttl
- Name
landingDistanceAvailCopter- Datatype
- Real
- Definition
- The length of the final approach and take-off area plus any additional area declared available and suitable for helicopters to complete the landing manoeuvre from a defined height.
- Synonyms
- LDAH
- Accepted
- 2013-10-18
- Defined by
- DFDD
- Physical quantity
- length
- Recommended unit
- Metre (m)
- Used by
- ZI043 Runway Declared Distance Information
Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.