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24 Jul 2026
What is a BOSIET course and who needs it?
If you work in the offshore oil and gas industry, chances are you have come across the term BOSIET. It is one of the most widely recognised safety certifications in the sector, and for good reason. Whether you are just starting out in offshore work or renewing your credentials, understanding what this training involves and why it matters is an important first step.
What is a BOSIET course?
A BOSIET course, short for Basic Offshore Safety Induction and Emergency Training, is a mandatory safety certification designed for professionals who work on offshore oil and gas installations. It is an OPITO-approved programme that equips workers with the essential knowledge and practical skills needed to survive and respond in offshore emergency situations.
The BOSIET is the entry-level offshore safety standard recognised globally across the oil and gas industry. It is built around real-world emergency scenarios that offshore workers may face, including fire, gas leaks, helicopter incidents, and man-overboard situations. Because offshore environments carry unique and serious risks, this training is not simply a formality. It prepares you to act decisively when it matters most.
Who needs to complete BOSIET training?
Anyone who is required to travel to or work on an offshore installation for the first time needs to complete BOSIET training. This includes engineers, technicians, contractors, catering staff, and any other personnel who will be present on an offshore platform or vessel in the oil and gas sector.
Operators and employers in the offshore industry typically require proof of a valid BOSIET certificate before allowing anyone to travel offshore. This applies across major producing regions, including the North Sea, the Gulf of Mexico, and other international offshore fields. If you are a contractor or freelancer entering the offshore industry for the first time, BOSIET certification is almost always a non-negotiable requirement before you set foot on a platform.
What does a BOSIET course include?
A BOSIET course covers the core safety competencies required for offshore survival and emergency response. The training combines theoretical instruction with hands-on practical exercises to ensure participants can apply what they learn under pressure.
Key modules typically included in a BOSIET programme are:
- Helicopter Underwater Escape Training (HUET) — learning to escape from a submerged helicopter, including the use of a Helicopter Aircrewman Breathing System (HABS) or Emergency Breathing System (EBS). This component is also available as a standalone OPITO HUET with CA EBS course
- Sea survival — using life rafts, survival suits, and personal flotation devices in open water
- Firefighting and fire prevention — understanding fire hazards specific to offshore environments and how to respond
- First aid — basic emergency first aid, including CPR and casualty management
- Safety induction — offshore hazard awareness, permit-to-work systems, and emergency procedures
The practical components, particularly the HUET pool exercises, are what set BOSIET apart from desk-based safety training. Participants experience realistic simulations that build genuine confidence and competence.
How long does a BOSIET course take?
A standard BOSIET course takes between three and four days to complete. The exact duration depends on the training provider and the specific modules included, particularly whether the EBS or HABS option is selected for the helicopter escape component.
The multi-day format reflects the depth of practical training involved. Unlike shorter e-learning modules, BOSIET requires participants to complete physical exercises in water, use firefighting equipment, and demonstrate first aid skills. This hands-on approach cannot be rushed, and the time investment is a direct reflection of the seriousness of offshore safety.
How long is a BOSIET certificate valid?
A BOSIET certificate is valid for four years from the date of issue. After this period, the certification expires and must be renewed. The renewal course is known as FOET, or Further Offshore Emergency Training, which is a shorter refresher programme that updates your skills without repeating the full BOSIET from scratch. You can find out more about the OPITO FOET with CA EBS course to plan your renewal in good time.
Keeping your certification current is essential if you plan to continue working offshore. Operators will check the validity of your certificate before each offshore trip, and an expired BOSIET will prevent you from travelling to a platform until it is renewed.
Where can you take a BOSIET course?
BOSIET training must be completed at an OPITO-approved training centre. These centres are located in key offshore industry hubs around the world, including the Netherlands, the United Kingdom, Norway, and the United States, among other locations.
We offer OPITO-approved BOSIET training at our strategically located training centres, including our facility in the Netherlands, which is easily accessible from major airports and ports. Our courses are guaranteed to run even with a small number of participants, so you can book with confidence and plan your offshore schedule without unnecessary delays. Our instructors bring real industry experience to every session, making the training practical, relevant, and directly applicable to the environments you will be working in. If you have any questions about which course is right for you, do not hesitate to contact us.
