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GB/T 33539-2025: Specification for service of experience diving in ocean
Status: Valid
GB/T 33539: Evolution and historical versions
| Std ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status |
| GB/T 33539-2025 | English | 359 |
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Specification for service of experience diving in ocean
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| GB/T 33539-2017 | English | 299 |
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Specification for operation of experience diving in ocean
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Standard similar to GB/T 33539-2025 GB/T 29632 | GB/T 36684 | GB/T 35966 | GB/T 33530 | GB/T 33529 | Basic data | Standard ID | GB/T 33539-2025 (GB/T33539-2025) | | Description (Translated English) | Specification for service of experience diving in ocean | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A12 | | Classification of International Standard | 03.200 | | Word Count Estimation | 18,155 | | Date of Issue | 2025-10-05 | | Date of Implementation | 2026-02-01 | | Older Standard (superseded by this standard) | GB/T 33539-2017 | | Issuing agency(ies) | State Administration for Market Regulation and Standardization Administration of China | GB/T 33539-2025: Specification for service of experience diving in ocean---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 03.200
CCSA12
National Standards of the People's Republic of China
Replaces GB/T 33539-2017
Ocean Experience Diving Service Standards
Published on 2025-10-05
Implemented on February 1, 2026
State Administration for Market Regulation
The State Administration for Standardization issued a statement.
Table of contents
Preface III
1.Scope 1
2 Normative References 1
3.Terms and Definitions 1
4.Basic Requirements 2
4.1 Organization 2
4.2 Personnel 2
4.3 Site and Facilities/Equipment 2
4.4 Safety and Emergency Response 3
5 Sea conditions 3
6 Service Requirements 3
6.1 Reception 3
6.2 Training 3
6.3 Diving 4
6.4 Return 4
7 Service Records 5
8.Complaints, Supervision, and Evaluation 5
Appendix A (Informative) Notice of Liability 6
Appendix B (Standardized) Diagram of Commonly Used Diving Hand Signals 7
Appendix C (Informative) Submitted Diver Feedback Form 9
References 10
Foreword
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents".
Drafting.
This document replaces GB/T 33539-2017 "Specifications for Marine Experience Diving Services". Compared with GB/T 33539-2017, the main differences are in the structural design.
Aside from integration and editorial changes, the main technical changes are as follows.
a) The definitions of snorkeling and scuba diving introductory sessions have been removed (see 3.1.1 and 3.1.2 in the.2017 version), and the requirements for diving equipment have been changed.
Definition (see 3.4,.2017 edition);
b) The wording regarding obtaining a permit to operate a marine diving area has been amended (see 4.1.1, 5.1.1 in the.2017 version), and the description of high-risk sports has been amended.
The applicant for the project operation permit (see 4.1.3, 5.1.3 in the.2017 version);
c) The dress code requirements for personnel have been revised (see 4.2.1, 5.2.1 in the.2017 version), and basic professional competence requirements for service personnel have been added (see...).
4.2.2) added health certificate requirements for service provider personnel (see 4.2.3);
d) The requirements for setting up diving area warning signs have been changed (see 4.3.1.7, 5.3.1.7 in the.2017 version);
e) Increased maintenance requirements for breathing regulators and hygiene requirements for diving equipment (see 4.3.2), and changed the testing requirements for gas cylinders.
Maintenance requirements for air compressors (see 4.3.2, 5.3.2 in the.2017 edition);
f) Requirements for emergency rescue facilities such as automated external defibrillators (AEDs) and pure oxygen equipment have been added (see 4.4.1);
g) The frequency of safety emergency drills has been changed (see 4.4.4, 7.1 in the.2017 version);
h) The water temperature requirements for diving areas have been changed (see 5.1, 4.1 in the.2017 edition);
i) The way service providers describe diving risks has been changed (see 6.1.1.2, 6.1.1 in the.2017 version);
j) The age limit for divers has been changed (see 6.1.1.3, 6.1.1 in the.2017 version);
k) The name of the letter of responsibility has been changed (see 6.1.2,.2017 version of 6.1.2);
l) Increased awareness and requirements for environmental protection during training and diving (see 6.2.2, 6.3.2.5);
m) The requirement for training in mask drainage skills has been removed (see 6.2.4 in the.2017 version);
(n) The diving process has been further divided (see 6.3.1, 6.3.2, and 6.4);
o) The physical requirements for diving technical instructors have been removed (see 6.3.1 in the.2017 version);
p) The required ratio of diving instructors to divers for snorkeling has been increased (see 6.3.1.1);
q) The pressure specifications for diving cylinders have been changed (see 6.3.1.3, 6.3.4 in the.2017 version), and a minimum cylinder pressure specification has been added (see...).
6.3.2.4);
r) The time restrictions for diving services have been changed (see 6.3.1.5, 6.3.7 in the.2017 version);
s) Added procedures for handling discomfort experienced by divers during the acclimatization phase (see 6.3.2.2);
t) Increased requirements for the protection of participants' personal privacy information (see 7.5), and increased requirements for the retention of company records (see 7.6);
u) Service evaluation requirements have been added (see 8.4);
v) The diagrams of uncommon hand gestures for introductory diving have been removed (see Appendix B of the.2017 edition), and the order of the diagrams has been changed (see Appendix B).
Appendix B of the.2017 edition).
Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents.
This document was proposed and is under the jurisdiction of the National Technical Committee on Service Standardization (SAC/TC264).
This document was drafted by. Hainan Provincial Institute of Inspection and Testing, China National Institute of Standardization, Hainan Provincial Association for Standardization, and Sanya Municipal Sports and Tourism Bureau.
Association, Hainan CR Shimei Bay Tourism Development Co., Ltd., Sanya Diving Industry Association, Zhanjiang Diving School of the State General Administration of Sport, Sansha
Municipal Market Supervision and Administration Bureau.
The main drafters of this document are. Wu Qingyu, Li Wei, Fu Qiang, Zheng Juan'er, Huang Wenxiu, Tang Xue, Pan Hong, Hou Fei, Wang Nana, Feng Chao, and Sun Pei.
Zhang Lingjun, Qi Libin, Zhou Yuling, Feng Wen, Huang Jiajiang, Lin Ying.
The release history of this document and the document it replaces is as follows.
---First published in.2017 as GB/T 33539-2017;
---This is the first revision.
Ocean Experience Diving Service Standards
1 Scope
This document specifies the basic requirements, sea area conditions, service requirements, service records, and complaint supervision and evaluation for marine experiential diving services.
content.
This document applies to marine experiential diving services open to the public.
2 Normative references
The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.
For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.
This document.
GB/T 17242 Complaint Handling Guidelines
GB 18435 Diving Breathing Gases and Detection Methods
GB 19079.10 Opening conditions and technical requirements for sports venues - Part 10.Diving facilities
GB/T 36733 General Rules for Service Quality Evaluation
GB 37488 Hygiene Standards and Limits for Public Places
3 Terms and Definitions
The terms and definitions defined in GB 19079.10 and the following terms and definitions apply to this document.
3.1
Experience diving
Recreational diving activities conducted by individuals without diving certification, accompanied and guided by a diving instructor.
[Source. GB 19079.10-2013, 3.5]
3.2
open water
Outdoor water bodies are those that conform to the characteristics of the local natural environment and provide the natural water conditions found in a particular region.
3.3
Diving instructor
Professionally qualified personnel who teach diving theory and skills.
[Source. GB 19079.10-2013, 3.4]
3.4
Diving equipment
Equipment used during diving activities.
Note. Diving equipment includes fins, mask, snorkel, regulator, backup breathing system (backup regulator or separate backup breathing system), and air intake.
Bottle, buoyancy control device (BCD), barometer (breathing gas pressure monitoring), instruments for measuring time and depth (depth gauge, timer, dive computer),
Diving equipment includes. decompression gauges, diving suits, hoods, gloves, diving boots, quick-release counterweight systems, compasses, diving knives, underwater lights, and communication systems.
[Source. GB 19079.10-2013, 3.3, with modifications]
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