Ability to use trimix or heliox
SKILLS FOR DIVING |
THE PRACTITIONER MUST PROVE THE FOLLOWING SKILLS |
PTH-40 Ability to dive with a group of divers using trimix or heliox from 0 to 40 metres. |
To operate in a supervised group: mastery of skills PE-40 + PN-C To operate as part of an autonomous group: mastery of PA-40 + PN-C skills Proficiency in the use of equipment, gas analysis and cylinder marking Mastery of stabilisation, ascent speed and communication with your team-mate Mastery of the use of your parachute and reel. |
PTH-70 Ability to dive as part of a group using trimix or heliox in a space from 0 to 70 metres. |
To operate in a supervised group: mastery of PE-60 + PTH-40 skills. To operate as part of an autonomous group: proficiency in PA-60 + PTH-40 Mastery of the use of the descent/decompression line Mastery of dive planning with several gas mixes (trimix bottom mix and decompression mix) Mastery of procedures for intervening on a diver in difficulty from the bottom. |
PTH-120 Ability to dive with a group of divers using trimix or heliox in areas beyond 70 metres and up to 120 metres. |
To operate as an autonomous group: mastery of PA-60 + PTH-70 skills Proficiency in preparing and setting up the descent/decompression line Mastery of material organisation and decompression planning Mastery of the manufacture of trimix and nitrox mixes. To operate as an autonomous group: mastery of the PA-60 + PTH-60 skills. |