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Tag Archive: techniques


Sidemount Technical Wreck Diving Subic Bay Philippines

Originally posted 2018-03-07 23:55:31. Pony Cylinders and Redundant Air Sources for Wreck Diving by Andy Davis Recreational wreck divers often question whether they need to carry a redundant source of air when conducting specialist wreck diving activities.  Most agencies and instructors will generally recommend the use of redundant air sources to be a prudent measure […]

technical diving subic bay philipines

Originally posted 2017-12-22 21:11:04. Ten Tips to Attain a Better Horizontal Hover – Scuba Diving Techniques by Andy Davis Scuba diving techniques to improve your comfort and capability underwater. In this article, I list ten simple techniques that will allow you to develop a better horizontal hover whilst scuba diving. 1. Get Your Weighting Right […]

advanced wreck diving course subic bay

Originally posted 2011-06-22 16:02:01. ADVANCED WRECK DIVING – COURSE NOTES by Andy Davis, PADI / ANDI Technical Wreck Instructor Disclaimer:   These notes accompany a professionally supervised advanced wreck diving workshop, aimed at developing specialist skills for qualified wreck divers.  This information is not a substitute for gaining proper experience under qualified direction.  Wreck penetration […]

Wreck Diving Subic Bay

Originally posted 2011-05-29 20:34:23. Scuba Buoyancy Masterclass Series #1 Scuba Buoyancy Control for Divers by Andy Davis Effective scuba buoyancy control is, without doubt, the most important attribute that a diver needs to develop. Control of your buoyancy has a direct impact on air consumption, comfort, relaxation and the control of descents and ascents – […]

technical diving subic bay philipines

Using Your Hands Whilst Scuba Diving by Andy Davis Many novice divers wish to improve their air consumption during dives and increase their relaxation and fluidity underwater.  A major obstacle to these goals is using your hands for control and/or propulsion I think that most novice divers have an instinctive tendency to try and ‘swim’ […]

Sidemount Technical Wreck Diving Subic Bay Philippines

Choosing and Using A Redundant Air Source By Andy Davis Pony cylinders are a popular choice amongst divers who seek a redundant form of air supply as a contingency for Out-Of-Air (OOA) emergencies when scuba diving. There is a lot of debate about when, or if, a recreational open-water diver should need a redundant air […]

ANDI Techniques of Wreck Diving Course Philippines

ANDI Techniques of Wreck Diving Course Subic Bay, Philippines  Some photos from the first dive of the ANDI Techniques of Wreck Diving course, run by Andy Davis in Subic Bay, Philippines on the 7th Sept 2013.   The course is ANDI Level 2 (advanced recreational) and is very similar in scope and protocols to the […]

Defining Wreck Diving Restrictions by Andy Davis Very few diving agencies go into detail about wreck diving restrictions. Those that do, tend to limit their definition to either ‘not restricted’ or ‘restricted’. That definition hinges upon whether two divers could pass through simultaneously when sharing gas.  The intention of this is to prevent recreational divers […]

Andy-Davis-Technical-Diving-Courses Philippines

Teaser Pics: ANDI Advanced Sidemount Course I am currently editing videos and preparing a course report for the A.N.D.I Advanced Sidemount course, that finished today in Subic Bay.  The course was taught by Bruce Konefe (ANDI I.T.D #15). Here are some photos, captured from the video footage: The A,N.D.I. Advanced Sidemount course is focused towards […]

wreck diving course philippines

Line Laying for Wreck Diving Penetrations – Video Tutorials Wreck diving courses include line laying practice for wreck diving penetration, however many wreck instructors have minimal personal experience in the finer points of guideline deployment and use.  Proper guideline techniques were refined and perfected in the discipline of cave diving exploration. Those techniques were adopted […]

Sidemount Technical Diving Techniques – Videos Some great videos that demonstrate technical sidemount diving techniques, as taught on courses, by Rob Steiner. Sidemount Buoyancy Practice Flutter Kick On Sidemount Frog Kick on Sidemount Helicopter Turn on Sidemount Sidemount Trim Cylinder ‘Feathering’ (manipulate valve to breath from free-flowing regulator) Partial Removal of One Cylinder Partial Removal […]

technical diving subic bay philipines

 PADI Wreck Diver Course – Video Diary The video below illustrates the 4 training dives that comprise the PADI Wreck Diver course.  The course featured was run by Andy Davis, in Subic Bay, during the 13-14th November 2012. Congratulations to Tim Chambers and Trevor Horrigan who worked very hard during the PADI Wreck Diver course […]

Wreck Diving – Guidelines Technique Tutorial Videos These two videos from Mark Blackwood provide a good insight into effective guideline techniques for guideline laying in wrecks. More details of guideline techniques for wreck diving can be found in my Advanced Wreck Diving techniques supplement.  For details about my specialist wreck diving courses, please see: PADI […]

Sidemount Technical Wreck Diving Subic Bay Philippines

ANDI Ascent & Descent Procedures – Open Circuit Diving During all ANDI training courses, students are taught to follow a set system of procedures for ascent and descent.  These procedures include a number of stops, to enable team cohesion, increase safety and conservative off-gassing. You don’t need to be an ANDI trained diver to appreciate […]

instinctive drowning response padi rescue diver scuba

Instinctive Drowning Response – Vital Knowledge for Scuba Divers and Swimmers by Andy Davis All divers should be aware of Instinctive Drowning Response.  Those scuba instructors (and agencies!) responsible for teaching rescue diver courses should make a priority to update their syllabus and materials in recognition of the ‘real-world’ signs of a drowning victim. Several […]