Bristol Channel Diving Services

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Advanced Buoyancy Control, Trim and Technique Program 

The PSAI Advanced Buoyancy Control, Trim and Technique Program (PSAI ABC Program™) is designed to train divers in the benefits and proper procedures for mastering buoyancy control at all times. Upon successful completion of this course, graduates may effectively increase their comfort level and their safety by fine-tuning their trim, position, kicking techniques and buoyancy in any diving environment. 


As a PSAI ABC Program™ Diver, you will develop improved propulsion techniques and equipment streamlining. You will undoubtedly have more in-water confidence because you will have essential buoyancy skills in your toolbox more and improved control. The course covers advanced buoyancy control, trim & techniques skills, the fundamentals of proper trim technique, the S-Drill, the Valve Drill, the PSAI fundamental-5, cylinder removal and replacement, deployment of the Surface Marker Buoy, the Descent / Ascent Drill


Prerequisites: PSAI Open Water Diver certification or equivalent and have a minimum of five open water dives logged.


Includes: The PSAI Advanced Buoyancy Control, Trim and Technique Program (PSAI ABC Program™) manual and certification; any necessary equipment and gases collected from us. It excludes any site entry fees etc.


Cost: £175.00 based on diving at a local inland dive site, on a 'one to one' basis. Discounts are available for two or more students.