US lawIllinoisRegulationsTitle 92 — TRANSPORTATIONCHAPTER I: DEPARTMENT OF TRANSPORTATIONSUBCHAPTER b: AERONAUTICSPart 14 — AVIATION SAFETY14.APPENDIX G92 Ill. Adm. Code 14.APPENDIX GG Heliport/Vertiport StandardsYear: 2026Length: 14 wordsOfficial source Section 14.APPENDIX G Heliport/Vertiport Standards Section 14.ILLUSTRATION D Heliports Sample Obstruction Clearance Slope CalculationsPrevious92 Ill. Adm. Code 14.APPENDIX GNext92 Ill. Adm. Code 14.APPENDIX G