Thailand – Australia – United Kingdom

Technical Advanced Wreck Course in Thailand

Technical Divers learn how to penetrate deep ocean shipwrecks in the tropical waters of Thailand.

Koh Tao, Thailand

Big Blue Tech celebrates the successful certification and graduation of Manuela Agbaba from her TDI Advanced Wreck Course conducted over 2 weeks in various locations throughout thailand by TDI Advanced Wreck Instructor James Thornton-Allan.

The TDI Advanced Wreck course is the next step for any diver that has taken a wreck diver course. During this course, your TDI Instructor will teach you the proper techniques for locating and planning a penetration dive. The advanced wreck course is commonly taught with other popular TDI course such as advanced nitrox, decompression procedures, extended range, closed circuit rebreather, and trimix. This course was combined with a TDI Helitrox and TDI Trimix course for the deeper dives where narcosis impaired the absorption of skills.

This course provides training and experience to competently conduct advanced wreck dives. This program includes penetration skills and techniques at depths that shall not exceed 55msw, but limited to the level in which the diver is already trained. The objective of this course is to train divers in the proper techniques, equipment requirements and hazards of wreck diving.

Divers will inevitably want to delve into a wreck that appeals to them, the enticing gloom and lure of the unknown is ever present. It can be complex to put into words the magnetism that can take a hold on you for wanting to explore within a wreck, it goes to the core of what it is to be a diver and push back another frontier within oneself.

Wrecks come in different shapes and sizes, some wrecks are so open and dispersed that a rookie diver would be safe drifting around it, others are so enclosed, dark and dangerous that even professional wreck divers may of perished exploring them. The marine encrusted tight hatches and doorways tend to be designed for sealing compartments off and can be quite small, a challenging obstacle for a fully equipped diver.

It is wise to try and remind the adventurous divers spirit to temper the need to go forth and roam freely with common sense and a realistic outlook when it comes to this aspect of wreck diving. If the surface is not directly accessible from a penetration point on a wreck then the necessary precautions should be taken and be aware that now you are entering a serious level of responsibility. Its a level of responsibility that can mean your very life is at stake if you don’t proceed wisely. A diver roped to a buddy on stand-by at the wreck entry point is a lifeline in every sense of the word and should be considered a minimum. Within some wrecks collapsing structures, dead-end corridors that divers can only exit backwards and an almost sinister way that loss of direction occurs can be many hazards and challenges they entail.

The wreck-diving mavericks who learned from experience may scoff at such things, afterall they may often pioneer into the unknown and self-rescue themselves sufficiently with no problems. It must be argued in their favor that a cool head and slick dive skill is a key factor in escaping from underwater danger

Appropriate training, experience and equipment is essential for wreck penetration to be undertaken, it cannot be stressed enough that rookie divers should not undertake a wreck penetration without this.

Danger factor is a subliminal but ever-present threat. Some of the greatest trauma and tragedy I’ve noticed comes from a wreck or cave diving fatality. Having to leave behind a trapped or missing diver will leave lasting damage to rescuers, both physical from possible DCI (due to rushed ascents, decompression and repeat dives) and mental anguish.

While many instructors offer these skills or elements in their training it’s essential that you undertake training from a certified and experienced instructor prior to any technical wreck diving.

This course was conducted on the following wrecks.

Mv Seachart 1 wreck – Khao Lak – 40m
Premchai Wreck – Khao Lak – 20m
Mv Trident Wreck – Koh Tao – 35m
The Unicorn Wreck (Hishidaiaya Maru) – Koh Tao – 50m


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