Home › attribute › da1
Decision Altitude (DA) (DA1)
DGIF baseline 2026-1, the latest. Earlier baselines: timemap.
RDF: da1.ttl
- Name
decisionAltitude
- Datatype
- Real
- Definition
- A specified altitude in reference to Mean Sea Level (MSL) in an approach with vertical guidance at which a missed approach must be initiated if the required visual references to continue the approach have not been established.
- Synonyms
- DA
- 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.