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2 Jul 2026
What is the OPITO CAEBS training component?
If you work offshore or are preparing to start a career in the oil and gas industry, you have likely come across the term CAEBS when looking at OPITO training requirements. It stands for Combined Advanced Emergency Breathing System, and it forms a critical part of several OPITO offshore courses. Understanding what CAEBS training involves, why it matters, and how it fits into your certification can help you prepare more effectively and stay safe in emergency situations.
What is the OPITO CAEBS training component?
The OPITO CAEBS training component is a practical training element that teaches offshore workers how to correctly use a Combined Advanced Emergency Breathing System. This device provides a short-duration air supply during emergency evacuations, particularly during helicopter underwater escape scenarios. CAEBS training is integrated into several OPITO certification courses rather than offered as a standalone qualification.
The Combined Advanced Emergency Breathing System is a compact rebreather-style device worn by offshore personnel when travelling by helicopter. In the event of a helicopter ditching into water, the CAEBS unit gives the wearer additional breathing time to safely escape from a submerged aircraft. The OPITO training component ensures that workers understand how to activate, use, and trust the device under realistic conditions.
Why is CAEBS training required for offshore workers?
CAEBS training is required because helicopter travel is one of the primary methods of transporting personnel to and from offshore installations, and underwater helicopter escape is one of the highest-risk emergency scenarios in the industry. Regulations and industry standards mandate that workers are trained and competent in using emergency breathing equipment before travelling offshore.
Without proper training, panic and incorrect use of the CAEBS device can significantly reduce survival chances. The training builds muscle memory and confidence so that workers can act quickly and correctly even under extreme stress. Operators and installation managers require proof of CAEBS competency as part of the broader OPITO certification framework before granting access to offshore sites.
What does the CAEBS training involve?
The CAEBS training component involves both theoretical instruction and hands-on practical exercises in a controlled pool environment. Participants learn to correctly fit and activate the device, practise using it during simulated helicopter underwater escape exercises, and demonstrate competency under realistic conditions.
The practical element typically includes the following steps:
- Introduction to the CAEBS device, its components, and how it functions
- Instruction on correct fitting and pre-use checks
- Dry rehearsal of activation procedures before entering the water
- Pool-based exercises using the CAEBS during simulated helicopter escape scenarios
- Assessment of correct technique and safe use of the breathing system
The training is conducted by qualified OPITO instructors who guide participants through each stage. The goal is not just to pass an assessment but to build genuine confidence with the equipment so that workers are prepared if an emergency ever occurs.
What is the difference between CAEBS and DAEBS?
The key difference between CAEBS and DAEBS is the type of emergency breathing device used. CAEBS refers to the Combined Advanced Emergency Breathing System, which is a rebreather-style device that recirculates exhaled air to extend breathing duration. DAEBS stands for Compressed Air Emergency Breathing System, which uses a small cylinder of compressed air and provides a shorter, fixed air supply.
In practical terms, CAEBS training prepares workers to use the more advanced device, which is increasingly standard across offshore helicopter operations. DAEBS training relates to an older generation of equipment. Some OPITO courses offer both options depending on the equipment used by the operator or installation. When booking your training, it is worth confirming which device type is required by your employer or the specific offshore project you are working on.
How long is a CAEBS certificate valid?
The CAEBS training component is part of broader OPITO certifications such as BOSIET, FOET, and HUET, and its validity follows the validity period of the course it is attached to. BOSIET with CA-EBS certification is typically valid for four years, while FOET with CA-EBS refresher training is required every four years to maintain active certification status.
It is important to track your certification expiry dates carefully, as many offshore operators will not allow access to installations with expired documentation. Renewing your OPITO certification before it lapses avoids gaps in employment eligibility and ensures your emergency response skills remain current.
Where can you complete CAEBS training?
CAEBS training is completed as part of OPITO-approved courses offered at certified training centres. These facilities must meet OPITO’s standards for pool facilities, equipment, and instructor qualifications. Training centres are typically located near major offshore industry hubs, ports, and airports to make access straightforward for professionals travelling to work assignments.
Relevant OPITO courses that include the CAEBS component include:
- OPITO BOSIET with CA-EBS
- OPITO FOET with CA-EBS
- OPITO HUET with CA-EBS
- OPITO T-BOSIET with CA-EBS (Tropical variant)
When choosing a training provider, confirm that the centre is OPITO-approved and that the course includes the specific CAEBS variant required by your employer.
How FMTC Safety helps with CAEBS training
We offer a full range of OPITO-certified courses that include the CAEBS training component, delivered at our strategically located training centres. Whether you are completing your initial certification or renewing an existing qualification, we make the process straightforward and flexible.
Here is what you can expect when booking with us:
- Courses guaranteed to run, even with a small number of participants
- Free cancellation or rescheduling up to 24 hours before the course starts
- Training centres located near airports, ports, and offshore industry hubs
- Qualified instructors with real-world offshore experience
- A 5-star Trustpilot rating from nearly 3,000 verified reviews
Ready to get certified? Browse our OPITO offshore courses and book your CAEBS training today, or contact us if you have any questions about which course is right for you.
Frequently Asked Questions
Can I complete CAEBS training if I'm not a confident swimmer?
Yes, you do not need to be a strong swimmer to complete CAEBS training. The exercises take place in a controlled pool environment under the close supervision of qualified OPITO instructors, and participants are supported throughout every stage of the practical exercises. The training is specifically designed to build confidence gradually, so even those who are anxious around water can work through the exercises safely. If you have specific concerns, it is worth contacting your training provider in advance so they can reassure you and explain what to expect.
What should I bring or wear to my CAEBS training session?
You should bring a valid photo ID, any previously issued OPITO certification documents, and comfortable clothing suitable for pool-based activities, as the practical exercises involve entering the water. Most OPITO-approved training centres provide the necessary equipment, including the CAEBS device itself, wetsuits or flight suits, and safety gear for the pool exercises. It is advisable to confirm exactly what your training centre provides when you book, so you arrive fully prepared and avoid any last-minute issues on the day.
What happens if I fail the CAEBS practical assessment?
If you do not meet the required standard during the practical assessment, your instructor will typically provide feedback on where you need to improve and, depending on the training centre's policy, you may be given the opportunity to attempt the exercise again during the same session. In some cases, a reassessment may need to be scheduled for a later date. The goal of OPITO-approved training is genuine competency, not just ticking a box, so instructors are there to help you succeed rather than simply pass or fail you.
Does it matter which OPITO course I choose — BOSIET, HUET, or FOET — if they all include CAEBS?
Yes, it matters significantly, as each course serves a different purpose depending on your certification status and employment requirements. BOSIET (Basic Offshore Emergency Training) is for workers completing their initial offshore certification, HUET (Helicopter Underwater Escape Training) is a more focused course covering helicopter escape without the full BOSIET package, and FOET (Further Offshore Emergency Training) is the refresher course for those renewing an existing BOSIET qualification. Always confirm with your employer or offshore operator which specific course and variant they require before booking, as using the wrong course could result in your certification not being accepted.
Is CAEBS training recognised internationally, or only in specific regions?
OPITO certifications, including those that incorporate the CAEBS component, are recognised across major offshore oil and gas regions worldwide, including the North Sea, the Middle East, West Africa, and Southeast Asia. However, specific regional requirements can vary, and some operators or national regulators may have additional local training requirements on top of your OPITO certification. Before travelling to work on an international offshore project, it is always advisable to check with your employer or the local operator to confirm that your OPITO CAEBS qualification meets the requirements for that specific region or installation.
How far in advance should I book my CAEBS training before my offshore start date?
It is generally recommended to book your CAEBS training at least four to six weeks before your intended offshore start date to ensure you have enough time to complete the course, receive your certification documentation, and address any unexpected delays. Leaving it too close to your mobilisation date is a common mistake that can result in missed work assignments if a course is fully booked or if rescheduling is needed. Booking early also gives you more flexibility to choose a course date and location that fits your schedule.
Will my CAEBS certification automatically renew when I complete my FOET refresher, or do I need to request it separately?
When you complete an OPITO FOET with CA-EBS, the CAEBS component is included as an integrated part of the course, so your competency in using the device is reassessed and renewed as part of the same certification — you do not need to book it separately. However, it is important to ensure you specifically book the CA-EBS variant of the FOET course, as some providers offer versions without this component. Always double-check the course details and confirm with your training provider that the CAEBS element is included before booking your refresher training.
