CS ADR-DSN.J.487 Objects outside the obstacle limitation surfaces

(a)Applicability: The specifications in paragraph (b) below apply only to the area under control of the aerodrome operator.

(b)In areas beyond the limits of the obstacle limitation surfaces, at least those objects which extend to a height of 150 m or more above ground elevation should be regarded as obstacles, unless a safety assessment indicates that they do not constitute a hazard to aeroplanes.

[Issue: ADR-DSN/3]