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Height Above Aerodrome (HAA) (HAA)

DGIF baseline 2026-1, the latest. Earlier baselines: timemap.

RDF: haa.ttl

Name
heightAboveAerodrome
Datatype
Real
Definition
The vertical distance between the published aerodrome elevation and the Minimum Descent Altitude (MDA).
Description
The Height Above Aerodrome (HAA) applies to circling minima.
Synonyms
HAA
Accepted
2013-10-18
Defined by
DFDD
Physical quantity
length
Recommended unit
Metre (m)
Used by

Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.