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A must have for all rebreather divers

TDI Rebreather Preflight Checklist

The TDI Preflight Check List holds the essential standardized steps that must be completed for safety on a rebreather directly before entering the water. After assembling a rebreather based on the manufacturer’s recommendations using their check list, the rebreather may sit turned off while in transit to the dive site.

This “preflight check list” adds a short sequence to go through in order to make sure necessary components of the unit are on and functioning directly before entering the water. The TDI Rebreather Preflight Checklist can increase diver safety by making sure the user does not skip vital steps before entering the water.

We have also created a library of rebreather check or build lists to make it easier for TDI Rebreather divers to have access to their checklists on the go.

Buy TDI Rebreather Preflight Checklist

Click on the Rebreathers below for their unit specific checklist.


The new APD Closed Circuit Rebreathers (CCR) with Vision electronics – the Evolution and Inspiration Vision are every bit as revolutionary as their pioneering predecessor
Click here to download Inspiration/Evolution Pre-Dive Checklist >>



The classic KISS closed circuit rebreather is a durable machine which has been designed for both sport and technical diving

Click here to download KISS Classic PreDive Checklist >>


The O2ptima is a fully closed circuit, constant PO2, electronically-driven rebreather with built-in decompression ability.
Click here to download O2ptima Training/Build Checklist >>



Nicknamed the Meg, it is the ISC flagship model. The system has been in production for 8 years and there are over 1000 Meg CCR systems in the field.

Click here to download Megalodon Pre Dive Checklist >>


There are two different types of rEvo rebreather that are CE marked. The Standard and the Mini. Both are available in manual (MCCR) or manual with electronic controller known as the Hybrid (HCCR).

Click here to download rEvo Manual >>


Poseidon Discovery MKVI

The Poseidon MKVI is the world’s first rebreather for sport divers. It’s a fully ­closed, fully ­automated unit that will make you see diving in a different light.

Click here to download Poseidon Pre-Dive Checklist >>

Kiss GEM

The KISS GEM is eaisly one of the lightest, smallest, most inexpensive rebreathers on the market today; perfect for the sport or travelling diver.

Click here to download KISS GEM Predive Checklist >>


Draeger Dolphin

The Dolphin Rebreather is a stateof-the-art semi-closed nitrox (oxygen enriched air) rebreather designed and built for sport diving.

Click here to download Draeger Dolphin manual >>


The SUBMATIX CCR 100 SMS is a mix gas rebreather, which was designed and built for sport diving only.

Click here to download Submatix Manual >>



The Azimuth cyclic, semi-closed circuit diving apparatus for NITROX breathing mixes is the result of a new project geared to maximum reliability and ease of use.

Click here to download Azimuth manual >>


The Hollis Explorer is a true sport Rebreather. The unit is neither a fully closed circuit Rebreather nor a pure semi-closed system, but an intelligent hybrid that utilizes the best of both worlds.

Click here to download Explorer Rebreather Manual >>


KISS Sport

The Sport KISS Closed Circuit Rebreather is a light weight CCR that will allow you all the benefits of closed circuit diving without the weight, clutter and size of traditional rebreathers.

Click here to download KISS Sport Rebreather Predive Checklist >>

Prism 2

The Prism2 is a fully closed circuit Rebreather, ideal for exploring open ocean, cave, or wrecks. This unit can be electronically or manually controlled which means you choose how you want the loop PPo2 maintained.

Click here to download Prism 2 Rebreather Manual >>


Hammerhead CCR

The JM Hammerhead CCR is one of the most advanced Closed circuit mixed gas rebreather in the commercial rebreathing market to date. Innovative, functional and effective.

Click here to download HammerHead CCR Pre Dive Checklist >>


The Sentinel is an electronics-driven fully closed circuit constant PO2 design rebreather (eCCR) that provides an intelligent and easy to use life-support system (LSS).

Click here to download Sentinel Pre-Dive Checklist >>


Titan eCCR

The Titan eCCR, a complete, lightweight unit controlled by the Shearwater Predator and HUD. The Titan has the flexibility to use either the ExtendAir CO2 solid state absorbent cartridges that are dust free and eliminates channeling or a packable canister option for Sofnolime 8-12 both allowing for exceptional work of breathing.

Click here to download Titan Pre-Dive Checklist >>


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