ISO 8804-2:2024
Requirements for the training of scientific divers
- Standard No.
- ISO 8804-2:2024
- Release Date
- 2024
- Published By
- International Organization for Standardization (ISO) IX / ISO
- Latest
- ISO 8804-2:2024
- Introduction
Advanced Scientific Diver Training Framework
The ISO 8804-2:2024 standard establishes minimum competency requirements for advanced scientific divers, building upon the foundational level specified in ISO 8804-1. This standard addresses the specialized needs of researchers conducting complex underwater investigations in challenging conditions.
Core Competency Requirements
Competency Area Basic Scientific Diver (ISO 8804-1) Advanced Scientific Diver (ISO 8804-2) Dive Leadership Follows dive plans Leads teams under project supervision Environmental Conditions Standard visibility/currents Challenging conditions (low vis, strong currents) Dive Complexity Single no-decompression dives Repetitive & decompression diving Equipment Configurations Standard SCUBA Specialized configurations (rebreathers, full face masks)
Theoretical Knowledge Components
The standard mandates comprehensive training in seven key theoretical areas:
- Advanced dive planning including gas requirement calculations and decompression theory
- Risk assessment for complex scientific operations
- Legal frameworks governing underwater research
- Scientific methodology with emphasis on experimental design
- Team management principles for coordinating multiple divers
- Environmental sustainability per ISO 21416
- Emergency procedures for challenging conditions
A notable requirement is understanding the Nagoya Protocol for ethical research practices and the use of specialized equipment like full face masks and rebreather systems.
Practical Skill Requirements
Trainees must demonstrate proficiency in:
- Advanced search and survey methodologies
- Specialized sampling techniques (coring, specimen collection)
- Underwater construction of transects and search grids
- Operation of airlift systems for controlled excavations
- Simultaneous task management while maintaining dive safety
The standard requires minimum 70 open water dives including at least 10 scientific dives as part of training.
Implementation Considerations
Training providers must address:
Requirement Specification Instructor Qualifications ISO 24802-2 certification + scientific diving experience Emergency Equipment Oxygen delivery systems (15L/min minimum) Risk Assessment Site-specific evaluations for each training dive Practical Parameters Full dive cycle documentation required
Standard Evolution and Context
This 2024 edition represents significant advances from previous versions by:
- Incorporating sustainability requirements from ISO 21416
- Expanding decompression diving protocols
- Enhancing team coordination standards
- Updating emergency equipment specifications
The standard aligns with the three-tier competency framework across the ISO 8804 series, serving as the intermediate level between basic scientific diver and project leader qualifications.
ISO 8804-2:2024 Referenced Document
- ISO 21416 Recreational diving services — Requirements and guidance on environmentally sustainable practices in recreational diving
- ISO 24801-2 Recreational diving services.Requirements for the training of recreational scuba divers .Part 2: Level 2.Autonomous diver
- ISO 24801-3:2014 Recreational diving services.Requirements for the training of recreational scuba divers.Part 3: Level 3.Dive leader
- ISO 24802-2 Recreational diving services.Requirements for the training of scuba instructors.Part 2: Level 2
- ISO 24803 Recreational diving services - Requirements for recreational diving providers
- ISO 8804-1 Requirements for the training of scientific divers
- ISO 8804-3 Requirements for the training of scientific divers
ISO 8804-2:2024 history
- 2024 ISO 8804-2:2024 Requirements for the training of scientific divers
