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Emergency Safe Altitude (ESA) (ESA)
DGIF baseline 2026-1, the latest. Earlier baselines: timemap.
RDF: esa.ttl
- Name
emergencySafeAltitude- Datatype
- Real
- Definition
- An altitude which provides at least 1000 feet of obstacle clearance in nonmountainous areas or 2000 feet of obstacle clearance in designated mountainous areas within a 100 nautical mile radius of the navigation facility upon which the procedure is predicated.
- Accepted
- 2013-10-18
- Defined by
- DFDD
- Physical quantity
- length
- Recommended unit
- Metre (m)
- Used by
- GA021 Safe Altitude Area (SAA)
- GA022 Safe Altitude Area (SAA) Sector
Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.