Home › attribute › hal
Height Above Landing (HAL) (HAL)
DGIF baseline 2026-1, the latest. Earlier baselines: timemap.
RDF: hal.ttl
- Name
heightAboveLanding- Datatype
- Real
- Definition
- The vertical distance between the designated helicopter landing area and the Decision Altitude (DA) for precision approaches, or the Minimum Descent Altitude (MDA) for non-precision approaches.
- Synonyms
- HAL
- Accepted
- 2013-10-18
- Defined by
- DFDD
- Physical quantity
- length
- Recommended unit
- Metre (m)
- Used by
- GA215 Terminal Instrument Procedure Minima
Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.