All the top-of-the-line brands:

Liberty - Side Mount CCR

Razor - Side Mount System

Santi - Dry Suit

Dive X - Diver Propulsion Vehicle


Diving in the beautiful sargassum jungle of Hong Kong, 2020 Winter.

Dry suit diver course

PSAI / PADI certification

Theory Session x 1

Pool Training Session x 1

Open Water Training Session x 1

Instructor fee: $2,800 (for 2+ class size, excluding facility costs, equipment rental and certification fees)

Openwater DPV Course

PSAI / PADI certification

Theory Session x 1, Open water Training x 2 days

Instructor fee: $3,500 (for 2+ class size, excluding facility costs, equipment rental and certification fees)

DPV rental option: Dive Xtras Blacktip ($500 per day)


What will you learn: DPV theory covering history, DPV application, DPV Parts and components, hazards related to DPV, battery technology and conservation, proper buoyancy and trim of DPV diver (sidemount, backmount or twin-set), after-dive care. Skills and Drills: DPV swimming and driving, diver tow, navigational patterns, speed matching, air-sharing in a DPV team, pros and cons of various lanyard arrangements, DPV dive planning using cruising speed, distance, time and GPS.

DPV Flying at East Dam of Sai Kung, Hong Kong

PSAI Advanced Buoyancy Control (ABC) Course

The PSAI ABC course covers the more advanced buoyancy skills, the proper trim, propulsion techniques, safety drills, equipment configurations and most importantly how all these combine to equip a diver with all rounded awareness and alertness, in normal or stressful circumstances. ABC is therefore for everybody who wishes to further their diving skills and to derive more fun out of diving (for environmental conservation's sake, leisure divers and underwater photographers alike). It is not meant to be only for technical diving.

Instructor Fee: $4,500

Decompression Algorithm

This course is designed specially for technical divers and instructors who are interested in understanding how decompression algorithm is implemented based on the Bühlmann’s model and gradient factors. The literature starts with a revision on the evolution of decompression theory, tissue compartments, half times, M-value lines before then furthering onto the algorithm of decompression stops iteration, the impact of gas mixes other than air on decompression plan and time, as well as the use of gradient factors for manipulating conservatism. Eddie, being a hands-on software engineer for over 15 years who has been working on the software design of dive computer and decompression planner, is able to explain decompression procedures and its application to technical diving in a mathematical, algorithmic and programmatic perspective.

Instructor Fee: $2,500 (4 hours, classroom only)

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