Building Code Glossary
Helistop: Building Code Definition
How the IBC 2009, IFC 2009 define helistop, where the wording differs, and which chapters depend on the term.
On this page
Last updated September 7, 2026 · Definitions quoted from the 2009 International Codes as transcribed in this site's building-codes collection, with the source chapter linked for each quotation. Usage counts are computed over the chapters hosted here, one copy per code. The [ICC code library](https://codes.iccsafe.org/codes) publishes the current model text and the [ICC adoption maps](https://www.iccsafe.org/advocacy/code-adoption-maps/) show which edition a jurisdiction has adopted; those sources control.
Direct answer
Helistop is a defined term in the International Building Code (IBC) 2009, in Special Detailed Requirements Based on Use and Occupancy. The code's own words are: “The same as "heliport," except that no fueling, defueling, maintenance, repairs or storage of helicopters is permitted.” The IFC 2009 carries the same definition word for word, so the term means the same thing in each. The term is used in 9 chapters of this corpus, most often in Aviation Facilities (IFC 2009), Special Detailed Requirements Based on Use and Occupancy (IBC 2009), Fire Protection Systems (IBC 2009). These pages transcribe the 2009 model text; verify the definition against the edition and amendments your authority having jurisdiction has adopted. Record the jurisdiction, the adopted edition, the application date and any local amendment that rewrites the definition before you use it on a live project, because a term redefined by amendment changes every requirement that depends on it.
Content and cited inputs reviewed by Scott Barrington, Harth founder and architectural technology specialist · Published 2026-09-07 · Updated 2026-09-07.
What does this term mean?
Helistop — IBC 2009, Special Detailed Requirements Based on Use and Occupancy:
The same as "heliport," except that no fueling, defueling, maintenance, repairs or storage of helicopters is permitted.
What must be verified before using this guidance?
Two of the I-Codes in this corpus define Helistop, in identical words.
| Code | Where it is defined | Definition |
|---|---|---|
| IBC 2009 | Special Detailed Requirements Based on Use and Occupancy | The same as "heliport," except that no fueling, defueling, maintenance, repairs or storage of helicopters is permitted. |
| IFC 2009 | Aviation Facilities | The same as "Heliport," except that no fueling, defueling, maintenance, repairs or storage of helicopters is permitted. |
Where helistop is used in the code
The term appears in 9 chapters of the 2009 I-Codes hosted here. The chapters that lean on it hardest are the ones to read next.
| Chapter | Code | Mentions |
|---|---|---|
| Aviation Facilities | IFC 2009 | 12 |
| Special Detailed Requirements Based on Use and Occupancy | IBC 2009 | 9 |
| Fire Protection Systems | IBC 2009 | 6 |
| Fire Protection Systems | IFC 2009 | 6 |
| Means of Egress | IBC 2009 | 4 |
| Structural Design | IBC 2009 | 4 |
| Means of Egress | IFC 2009 | 4 |
| Definitions | IBC 2009 | 1 |
| Definitions | IFC 2009 | 1 |
The term in use
How the code actually writes about helistop, quoted from the 2009 text hosted here:
Where a building with a rooftop helistop or heliport is equipped with a standpipe system, the system shall be extended to the roof level on which the helistop or heliport is located.
Buildings with a helistop or heliport that are equipped with a standpipe shall extend the standpipe to the roof level on which the helistop or heliport is located in accordance with Section 1107.5.
The terms helistop is built out of
The definition above leans on 1 other defined term. Each carries its own code definition, and a local amendment to any of them changes what helistop covers:
- Heliport — IBC 2009: An area of land or water or a structural surface that is used, or intended for the use, for the landing and taking off of helicopters, and any appurtenant areas that are used, or intended for use, for heliport buildings …
Helistop: what to open, and in what order
Every row is a document this term depends on. The ICC code library and the ICC adoption maps cover the middle rows.
| Check | Where | Confirmed |
|---|---|---|
| Read the definition in the adopted IBC | Special Detailed Requirements Based on Use and Occupancy | |
| Read the definition in the adopted IFC | Aviation Facilities | |
| Re-check the requirement that uses it | Aviation Facilities (IFC 2009) | |
| Re-check the requirement that uses it | Special Detailed Requirements Based on Use and Occupancy (IBC 2009) | |
| Re-check the requirement that uses it | Fire Protection Systems (IBC 2009) | |
| Re-check the requirement that uses it | Fire Protection Systems (IFC 2009) | |
| Confirm the dependent definition | Heliport | |
| Local amendment to any of the above | Jurisdiction's amendment list |
A research aid, not a code determination. The authority having jurisdiction decides which edition and which amendments apply.
Where can you explore related guidance?
- Explore all glossary guidance
- Heliport: Building Code Definition
- Liquid: Building Code Definition
- Solid: Building Code Definition
- Platform: Building Code Definition
Sources and method
Definitions quoted from the 2009 International Codes as transcribed in this site's building-codes collection, with the source chapter linked for each quotation. Usage counts are computed over the chapters hosted here, one copy per code. The ICC code library publishes the current model text and the ICC adoption maps show which edition a jurisdiction has adopted; those sources control.
Source links
Frequently asked questions
What is the code definition of helistop?
The International Building Code (IBC) 2009 defines it in Special Detailed Requirements Based on Use and Occupancy as: “The same as "heliport," except that no fueling, defueling, maintenance, repairs or storage of helicopters is permitted.” The 2009 model text is reproduced here; the definition that binds your project is the one in the edition your jurisdiction has adopted, as amended locally.
Which parts of the code depend on helistop?
In this corpus the term is used across 9 chapters, led by Aviation Facilities in the IFC 2009. Those are the sections whose scope moves if the definition is amended locally, so read them together with Chapter 2 rather than on their own.
What is a helistop?
In the 2009 I-Codes hosted here it is a defined term rather than a description. The IBC 2009 states, in Special Detailed Requirements Based on Use and Occupancy: “The same as "heliport," except that no fueling, defueling, maintenance, repairs or storage of helicopters is permitted.” It is defined in IBC 2009, IFC 2009. Because it is a defined term, whatever the adopted edition says it means is what every section using it means — so check Chapter 2 of that edition and any local amendment before relying on this wording.
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