decision altitude (DA) or decision height (DH)
EASA defines “decision altitude (DA) or decision height (DH)” in 2 regulations, worded for each regulation's scope. The wording below is reproduced verbatim from the EASA Easy Access Rules, with a link to the paragraph it comes from.
‘decision altitude (DA) or decision height (DH)’ means a specified altitude or height in a 3D instrument approach operation at which a missed approach procedure must be initiated if the required visual reference to continue the approach has not been established;
(36)‘de-icing’, in the case of ground procedures, means a procedure by which frost, ice, snow or slush is removed from an aircraft in order to provide uncontaminated surfaces;
‘decision altitude’ (‘DA’) or ‘decision height’ (‘DH’) means a specified altitude or height in a 3D instrument approach operation at which a missed approach procedure must be initiated if the required visual reference to continue the approach has not been established;
Defined in the same article
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