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It supports safe, efficient helicopter operations under both VFR and IFR, while directing stakeholders on key planning considerations such as site selection to minimize effects on third parties. The circular covers heliport physical characteristics, obstacle control requirements, visual aids, emergency response, heliport data, and weather-reporting considerations for off-shore heliports.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":40,"@type":76,"position":81},"https://docshare.wps.com/document/research-report/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/guidelines-for-heliports-design-and-operation-restricted-draft-uncontrolled-when-printed/649402/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/guidelines-for-heliports-design-and-operation-restricted-draft-uncontrolled-when-printed/649402.png","ImageObject",300,407,{"name":92,"@type":93},"River Wang","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-25","2026-10-23",true,{"@type":102,"interactionType":103,"userInteractionCount":14},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"Who is the advisory circular AC 139.R-01 v1.0 intended for?","Question",{"text":112,"@type":113},"It applies to persons involved in the design, construction, and operation of heliports, proponents of heliports, helicopter owners/operators, planning authorities, aerodrome operators, and the Civil Aviation Safety Authority (CASA).","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What is the purpose of AC 139.R-01 v1.0?",{"text":117,"@type":113},"It provides guidance for the planning, design, and operation of heliports to support safe and efficient helicopter operations under both VFR and IFR.",{"name":119,"@type":110,"acceptedAnswer":120},"What core topics are covered regarding heliport safety and functionality?",{"text":121,"@type":113},"The circular addresses heliport physical characteristics, obstacle control, visual aids, heliport emergency response, heliport data, and weather reports at off-shore heliports.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},649402,1792898932,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":39,"category_name":40,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":14,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":16,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":143,"read_time":144},1099514067438,"https://ap-avatar.wpscdn.com/avatar/100002539ee87300030?x-image-process=image/resize,m_fixed,w_180,h_180&k=1780474512215547542","ADVISORY CIRCULAR  \nAC 139.R-01v1.0  \nGuidelines for heliportsdesign and operation  \nDate  \nProject number File ref  \nMay 2022 AS 14/24  \nD17/406800  \nRESTRICTED DRAFT / UNCONTROLLED WHEN PRINTED  \nAudience  \nThis advisory circular (AC) applies to:  \n• persons involved in the design, construction , and operation of heliports  \n• proponents of heliports  \n• helicopter owners/operators  \n• planning authorities  \n• aerodrome operators  \n• the Civil Aviation Safety Authority (CASA) .  \nPurpose  \nThe purpose of this AC is to provide guidance in the planning, design , and operation of heliports to support the safe and efficient operation of helicopters operating under both visual flight rules (VFR) and instrument flight rules (IFR) .  \nThis AC is not intended to restrict or limit a pilot from determining the most suitable landing area for the helicopter operation.  \nFor further information  \nFor additional information , contact CASA's Flight Standards Branch (telephone 131 757) .  \nUnless specified otherwise, all subregulations, regulations, divisions, subparts and parts referenced in this AC are references to the Civil Aviation Safety Regulations 1998 (CASR) .  \nRESTRICTED DRAFT / UNCONTROLLED WHEN PRINTED  \nAC 139. R-01 v1 .0 May 2022 Page 1  \nStatus  \nThis version of the AC is approved by the Manager, Flight Standards Branch.  \n\n| Version | Date | Details |\n| --- | --- | --- |\n| v1.0 | April 2022 | Initial issue. This concert with AC 91-29 this AC replaces CAAP 92-2(2) and CAAP 92-4(0) . |\n\nContents  \n1 Reference material 5  \n1.1 Acronyms 5  \n1.2 Definitions 7  \n1.3 References 10  \n2 Introduction 11  \n2.1 Background 11  \n2.2 Site selection to minimise effects on third parties 12  \n3 Heliport physical characteristics 14  \n3.1 Onshore heliports 14  \n3.2 Helidecks 25  \n3.3 Shipboard heliports 26  \n4 Obstacle control 29  \n4.1 Obstacle limitation surfaces and sectors 29  \n4.2 Obstacle limitation requirements 31  \n5 Visual aids 48  \n5.1 Wind direction indicators 48  \n5.2 Markings and markers 48  \n5.3 Lights 60  \n6 Heliport emergency response 69  \n6.1 Heliport emergency planning 69  \n6.2 Rescue and firefighting 69  \n7 Heliport data 74  \n7.1 Aeronautical data 74  \n7.2 Heliport reference point 74  \n7.3 Heliport elevations 74  \n7.4 Heliport dimensions and related information 74  \n7.5 Declared distances 75  \n7.6 Coordination between heliport users and heliport authorities 75  \n7.7 Rescue and firefighting 76  \n8 Weather reports at off-shore heliports 77  \n8.1 Add a heading 77  \n1 Reference material  \n1.1 Acronyms  \nThe acronyms and abbreviations used in this AC are listed in the table below.  \n\n| Acronym | Description |\n| --- | --- |\n| AC | advisory circular |\n| AEO | all engines operating |\n| AIP | aeronautical information publication |\n| ASPSL | arrays of segmented point source lighting |\n| CASA | Civil Aviation Safety Authority |\n| CASR | Civil Aviation Safety Regulations 1998 |\n| OEI | one engine inoperative |\n| FATO | final approach and take-off |\n| FOD | foreign object debris |\n| HFM | helicopter (aircraft) flight manual |\n| HRP | heliport reference point |\n| ICAO | International Civil Aviation Organization |\n| IFR | instrument flight rules |\n| LOS | limited obstacle sector/surface |\n| LP | luminescent panels |\n| MOS | Manual of Standards |\n| MTOW | maximum take-off weight |\n| NASF | national airports safeguarding framework |\n| OIE | one engine inoperative |\n| OLS | obstacle limitation surface |\n| PC1 | performance class 1 |\n| PC2 | performance class 2 |\n| PC3 | performance class 3 |\n| PIC | pilot in command |\n| PinS | point-in-space |\n| SARPS | standards and recommended practices |\n| TDPC | touchdown/positioning circle |\n| TDPM | touchdown/positioning marking |\n\n\n| Acronym | Description |\n| --- | --- |\n| TLOF | touchdown and lift off area |\n| UCW | undercarriage width |\n| VFR | visual flight rules |\n| VMC | visual meteorological conditions |\n\n1.2 Definitions  \nTerms that have specific meaning within this AC are defined in the table be","cbCaiuOE4tNVZSey","https://ap.wps.com/l/cbCaiuOE4tNVZSey","pdf",1388345,"English","# Reference material\n## Acronyms\n## Definitions\n## References\n# Introduction\n## Background\n## Site selection to minimise effects on third parties\n# Heliport physical characteristics\n## Onshore heliports\n## Helidecks\n## Shipboard heliports\n# Obstacle control\n## Obstacle limitation surfaces and sectors\n## Obstacle limitation requirements\n# Visual aids\n## Wind direction indicators\n## Markings and markers\n## Lights\n# Heliport emergency response\n## Heliport emergency planning\n## Rescue and firefighting\n# Heliport data\n## Aeronautical data\n## Heliport reference point\n## Heliport elevations\n## Heliport dimensions and related information\n## Declared distances\n## Coordination between heliport users and heliport authorities\n## Rescue and firefighting\n# Weather reports at off-shore heliports\n## Add a heading","[{\"question\":\"Who is the advisory circular AC 139.R-01 v1.0 intended for?\",\"answer\":\"It applies to persons involved in the design, construction, and operation of heliports, proponents of heliports, helicopter owners/operators, planning authorities, aerodrome operators, and the Civil Aviation Safety Authority (CASA).\"},{\"question\":\"What is the purpose of AC 139.R-01 v1.0?\",\"answer\":\"It provides guidance for the planning, design, and operation of heliports to support safe and efficient helicopter operations under both VFR and IFR.\"},{\"question\":\"What core topics are covered regarding heliport safety and functionality?\",\"answer\":\"The circular addresses heliport physical characteristics, obstacle control, visual aids, heliport emergency response, heliport data, and weather reports at off-shore heliports.\"}]","Guidelines for heliportsdesign and operation - Restricted draft - uncontrolled when printed | PDF",1792799671,202]