Students are permitted to utilise Enriched Air Nitrox and Helium mixes with no greater than 35% Helium content, and up to 100% oxygen for decompression diving provided the gas mix is within their current certification level. Breathing gas mixtures containing more than 35% Helium or less than 21% oxygen are not permitted.
Note 1 – 4 dives are required, 2 of those dives must be deeper than 30 metres.
Note 2 – If Advanced Nitrox is taught in conjunction with Helitrox, a minimum of 6 dives are required. Check out the Advanced Nitrox and Helitrox course.
Note 1 – If a student already qualified as TDI Helitrox Diluent Decompression Procedures CCR Diver or equivalent from agencies recognised by TDI and wish to qualify on another CCR recognised by TDI, the student must follow all unit specific course standards with the exception of:
Note 1 – If a student has already qualified as a TDI CCR Air Diluent, or equivalent, certification and wishes to do the Helitrox decompression part of this course, only 240 minutes open water are required. Students will complete a skills evaluation dive plus a minimum of 4 open water dives with two dives deeper than 35 metres.
Note 2 – The student needs to have a minimum of 30 logged hours over 30 dives before enrolment on the Helitrox deco course
Note 3 – Six months CCR diving experience
Note 4 – If a student has the TDI CCR Air Diluent Decompression certification and wishes to do the Helitrox decompression part of this course, only 120 minutes open water are required over a minimum of two dives, with both dives deeper than 35 metres.
The course price for any of these options are available on request in discussion with your instructor. If you have any questions whatsoever, please do not hesitate to contact us to discuss, we are happy to assist.
The course certification is specific to the CCR unit used during the training.
ScubaQuest follows both Technical Diving International (TDI) standards & procedures and Rebreather Education Safety Association (RESA) standards to ensure our Closed Circuit Rebreather (CCR) courses are as comprehensive and safe as possible.
Technical Courses by their very nature require a tailored approach and in some cases the need to have a minimum number of students participating to make the course an effective learning experience. Technical courses will be scheduled based on demand and customer requirements.
Please contact ScubaQuest to discuss scheduling options.
ScubaQuest Dive Centre
National Diving & Activity Centre
A48, Tidenham
Chepstow
NP16 7LQ
ScubaQuest offers both traditional hard copy, classroom based theory and agency online learning packages.
*Price on Enquiry
The course price for any of these options are available on request in discussion with your instructor. If you have any questions whatsoever, please do not hesitate to contact us to discuss, we are happy to assist.
Please Note: For open water dives at The National Diving & Activity Centre (NDAC) there is a daily entry charge to the site, payable on the day by all students. This is NOT included in the course fee. Please check the NDAC website for details.
To book on this course or to discuss scheduling, please contact us using the form below, or phone us on 01291 798 118
The TDI CCR Helitrox Decompression Procedures course is the second entry-level certification course for divers wishing to utilise a Closed Circuit Rebreather (CCR) for mixed gas diving, using a Helitrox diluent.
The objective of the course is to train divers in the benefits, hazards and proper procedures for diving a CCR and to develop basic CCR diving skills, to a maximum of 45 metres, using an air/nitrox/helium diluent for formal decompression diving.
Students are permitted to utilise a diluent and bailout mix with no greater than a 35% helium content and no less than a 21% oxygen content and can use up to 100% oxygen for decompression.
Currently, all training is done using AP Inspiration XPD, EVP, EVO & Classic/IQSub XCCR/ScubaForce SF2 rebreathers.
Some units are available to be used for the duration of the course and can be included in the price of the course if required. We are an authorised dealer for all units used in the teaching portfolio and can advise you on and arrange the purchase of your new unit.
Please have a discussion with your instructor about all these options.
45 metres – Helitrox as diluent.
The CCR Helitrox Decompression Procedures is a performance-based course.
The course certification is specific to the CCR unit used during the training.
ScubaQuest follows both Technical Diving International (TDI) standards & procedures and Rebreather Education Safety Association (RESA) standards to ensure our Closed Circuit Rebreather (CCR) courses are as comprehensive and safe as possible.
The course is completed over five days.
Due to the nature of the course a flexible and personalised approach to the schedule will be applied based on the previous experience and pace of the student.
Technical Courses by their very nature require a tailored approach and in some cases the need to have a minimum number of students participating to make the course an effective learning experience. Technical courses will be scheduled based on demand and customer requirements.
Please contact ScubaQuest to discuss scheduling options.
ScubaQuest Dive Centre
National Diving & Activity Centre
A48, Tidenham
Chepstow
NP16 7LQ
A complete equipment list will be issued as part of the booking process. Where required, additional equipment can be supplied for the duration of the course at extra cost.
ScubaQuest offers both traditional hard copy, classroom based theory and agency online learning packages.
The cost for the course includes agency manual, certification and use of O2/He analyser.
Gas and absorbent fills are excluded.
Please Note: For open water dives at The National Diving & Activity Centre (NDAC) there is a daily entry charge to the site, payable on the day by all students. This is NOT included in the course fee. Please check the NDAC website for details.
To book on this course or to discuss scheduling, please contact us using the form below, or phone us on 01291 798 118
The TDI CCR Air Diluent Decompression Procedures is the certification course for divers wishing to utilise a Closed Circuit Rebreather (CCR) for air diving.
The objective of the CCR Air Diluent Decompression Procedures course is to train divers in the benefits, hazards and proper procedures for diving a Closed Circuit Rebreather (CCR) and to develop core CCR diving skills to a maximum depth of 45 metres, using air as a diluent for formal decompression diving.
Currently, all training is done using AP Inspiration XPD, EVP, EVO & Classic/IQSub XCCR/ScubaForce SF2 rebreathers.
Some units are available to be used for the duration of the course and can be included in the price of the course if required. We are an authorised dealer for all units used in the teaching portfolio and can advise you on and arrange the purchase of your new unit.
Please have a discussion with your instructor about all these options.
45 metres – Air as diluent.
The CCR Air Diluent Decompression Procedures course is a performance-based course.
The course certification is specific to the CCR unit used during the training.
ScubaQuest follows both Technical Diving International (TDI) standards & procedures and Rebreather Education Safety Association (RESA) standards to ensure our Closed Circuit Rebreather (CCR) courses are as comprehensive and safe as possible.
The course is completed over five days.
Due to the nature of the course a flexible and personalised approach to the schedule will be applied based on the previous experience and pace of the student.
Technical Courses by their very nature require a tailored approach and in some cases the need to have a minimum number of students participating to make the course an effective learning experience. Technical courses will be scheduled based on demand and customer requirements.
Please contact ScubaQuest to discuss scheduling options.
ScubaQuest Dive Centre
National Diving & Activity Centre
A48, Tidenham
Chepstow
NP16 7LQ
A complete equipment list will be issued as part of the booking process. Where required, additional equipment can be supplied for the duration of the course at extra cost.
ScubaQuest offer the option of completing Helitrox Diver as a bundled package.
ScubaQuest offers both traditional hard copy, classroom based theory and agency online learning packages.
The cost for the course includes agency manual, certification and use of O2 analyser.
Gas and absorbent fills are excluded.
Please Note: For open water dives at The National Diving & Activity Centre (NDAC) there is a daily entry charge to the site, payable on the day by all students. This is NOT included in the course fee. Please check the NDAC website for details.
To book on this course or to discuss scheduling, please contact us using the form below, or phone us on 01291 798 118
If you have got to this page you have probably done some research on Closed Circuit Rebreathers (CCRs), seen people diving them, are curious as to what they are all about or indeed maybe you have even had a go, if not it is something we can arrange for you
The reasoning behind using CCRs is many and varied, getting up close to wildlife for that award winning photograph, a love for technology, to extend your bottom time for wreck, cave or mine exploration or just for the sheer peace of diving without bubbles.
Whatever it is that has piqued your interest, this is the entry-level CCR course that will take you safely into the world of silent diving!
The focus of the CCR Air Diluent Diver course is to train divers in the benefits, hazards and proper procedures for diving a Closed Circuit Rebreather (CCR) and to develop core CCR diving skills to a maximum depth of 30 metres, using air as a diluent. Accelerated decompression diving is not allowed at this level of training.
Currently, all training is done using AP Inspiration XPD, EVP, EVO & Classic/IQSub XCCR/ScubaForce SF2 rebreathers.
Some Closed Circuit Rebreather units are available to be used for the duration of the course and can be included in the price of the course if required. We are an authorised dealer for all CCR units used in the teaching portfolio and can advise you on and arrange the purchase of your new CCR unit.
Please have a discussion with your instructor about all these options.
Maximum depth of 30 metres, using air as a diluent.
Accelerated decompression diving is not allowed at this level of training.
The course certification is specific to the CCR unit used during the training.
ScubaQuest follows both Technical Diving International (TDI) standards & procedures and Rebreather Education Safety Association (RESA) standards to ensure our Closed Circuit Rebreather (CCR) courses are as comprehensive and safe as possible.
The course is completed over five days.
Due to the nature of the course a flexible and personalised approach to the schedule will be applied based on the previous experience and pace of the student.
Technical Courses by their very nature require a tailored approach and in some cases the need to have a minimum number of students participating to make the course an effective learning experience. Technical courses will be scheduled based on demand and customer requirements.
Please contact ScubaQuest to discuss scheduling options.
ScubaQuest Dive Centre
National Diving & Activity Centre
A48, Tidenham
Chepstow
NP16 7LQ
A complete equipment list will be issued as part of the booking process. Where required additional equipment can be supplied for the duration of the course at extra cost.
ScubaQuest offers both traditional hard copy, classroom based theory and agency online learning packages.
The cost for the course includes agency manual, certification and use of O2 analyser.
Gas and absorbent fills are excluded.
Please Note: For open water dives at The National Diving & Activity Centre (NDAC) there is a daily entry charge to the site, payable on the day by all students. This is NOT included in the course fee. Please check the NDAC website for details.
To book on this course or to discuss scheduling, please contact us using the form below, or phone us on 01291 798 118
