aerodrome operating minima

‘aerodrome operating minima’ means the limits of usability of an aerodrome for:

(a)take-off, expressed in terms of runway visual range (RVR) and/or visibility and, if necessary, ceiling;

(b)landing in 2D instrument approach operations, expressed in terms of visibility and/or RVR, minimum descent altitude/height (MDA/H) and, if necessary, ceiling;

(c)landing in 3D instrument approach operations, expressed in terms of visibility and/or RVR and decision altitude/height (DA/H) as appropriate to the type and/or category of the operation;