Minimum heliport obstruction clearance standards shall be in accordance with Section 14.Appendix G, Illustration D. In order to be eligible for a Certificate of Approval under this Part, a heliport must initially and continually be free of obstructions (e.g., power poles, trees, fencing, etc.) on all approach/takeoff paths within the glide ratio and height limitations shown in Section 14.Appendix G, Illustration D.
Ill. Admin. Code tit. 92, § 14.830