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Article R4461-28 of the French Labour Code

The hyperbaric aptitude certificate indicates in particular:

1° The endorsement corresponding to the professional activity carried out;

2° The class defining, taking into account the maximum relative pressure, the zone in which the worker may work.

II.-The hyperbaric prevention adviser certificate indicates in particular the endorsement corresponding to the professional activity carried out.

III.- The endorsements relating to professional activities are defined as follows: 1° Endorsement A: Underwater work carried out by companies subject to certification as defined in article R. 4461-43; 2° B: Interventions relating to professional activities.The endorsements relating to the professional activities are defined as follows:

1° Endorsement A: Underwater work carried out by companies subject to certification as defined in article R. 4461-43;

2° Endorsement B: Underwater interventions:

a) Physical or sporting activities;

b) Underwater and subaquatic archaeology;

c) Rescue and safety :

-civil security option

-police option;

d) Techniques, sciences, fishing, aquaculture, media and other interventions;

3° Mention C: Interventions without immersion carried out in the field of health;

4° Mention D: Work without immersion carried out by companies subject to certification as defined in article R. 4461-43.

IV.-The classes are defined as follows:

1° Class 0: for a maximum relative pressure not exceeding 1,200 hectopascals;

2° Class I: for a maximum relative pressure not exceeding 3,000 hectopascals;

3° Class II: for a maximum relative pressure not exceeding 5,000 hectopascals;

4° Class III: for a relative pressure exceeding 5,000 hectopascals.

Original in French 🇫🇷
Article R4461-28

Le certificat d’aptitude à l’hyperbarie indique notamment :


1° La mention correspondant à l’activité professionnelle exercée ;


2° La classe définissant, compte tenu de la pression relative maximale, la zone dans laquelle le travailleur peut intervenir.


II.-Le certificat de conseiller à la prévention hyperbare indique notamment la mention correspondant à l’activité professionnelle exercée.


III.-Les mentions relatives aux activités professionnelles sont ainsi définies :


1° Mention A : Travaux subaquatiques effectués par des entreprises soumises à certification telle que définie à l’article R. 4461-43 ;


2° Mention B : Interventions subaquatiques :


a) Activités physiques ou sportives ;


b) Archéologie sous-marine et subaquatique ;


c) Secours et sécurité :


-option sécurité civile ;


-option police ;


d) Techniques, sciences, pêche, aquaculture, médias et autres interventions ;


3° Mention C : Interventions sans immersion effectuées dans le domaine de la santé ;


4° Mention D : Travaux sans immersion effectués par des entreprises soumises à certification telle que définie à l’article R. 4461-43.


IV.-Les classes sont définies comme suit :


1° Classe 0 : pour une pression relative maximale n’excédant pas 1 200 hectopascals ;


2° Classe I : pour une pression relative maximale n’excédant pas 3 000 hectopascals ;


3° Classe II : pour une pression relative maximale n’excédant pas 5 000 hectopascals ;


4° Classe III : pour une pression relative supérieure à 5 000 hectopascals.

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