TDI Normoxic Trimix Course

4 Days minimum 4 training dives

18 years

TDI Advanced Nitrox Diver and Decompression Procedures Diver (or equivalent). Show proof of a minimum of one hundred (100) logged dives.

£420.00 The course fee includes TDI Trimix Manual and TDI certification fees. Gas fills are not included.

The TDI Trimix Course provides the training required to competently and safely utilize breathing gases containing

helium for dives that require staged decompression, utilizing Nitrox and/or oxygen mixtures during decompression to a maximum depth of sixty (60) metres. The objective of this course is to train divers in the benefits, hazards and proper procedures of utilizing custom oxygen/helium/nitrogen mixtures as breathing gases.

Gas mixes used on this course and at this certification level are not to have any less than eighteen (18%) percent O2 and the maximum diving depth is 60 metres. Manta Divers do not exceed an END of 30m at any depth of training.

O2 clean Twin Set for Bottom Mix

O2 clean Stage Cylinder(s) for decompression

Separate Suit Inflation (Argon cylinder or feed from stage)

Primary and primary redundant required on all bottom mix cylinder(s).

Submersible pressure gauges are required on all primary / bottom mix cylinders.

A contingency use long hose second stage should be designated and appropriately rigged to facilitate air sharing at depth if necessary.

It is strongly recommended that all required regulators be all DIN.

Buoyancy Compensator(s) adequate for equipment configuration.

Redundant Depth and Timing Devices.

Air decompression computers allowed for use as depth and timing devices.

Primary and Redundant Light System.

Ascent Reel (100m line) with Lift Bag/Surface Marker Buoy

Back-up Reel and SMB

Exposure suit adequate for the open water environment - Dry Suit

Line Cutting Device.

Underwater Slate or Note Pad 

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