How fast of an ascent is too fast? The answer varies among scuba certification organisations. Some organisations list a maximum ascent rate of 30 feet/
Encyclopedia
Ascent – Understanding Emergency Ascent Procedures
FOUR EMERGENCY ASCENT PROCEDURES In principle, there are four emergency ascent procedures for low-on-air/out-or-air situations: Normal Ascent – The diver ascends at a normal rate with
Ascent Rate – What is the Maximum
How fast of an ascent is too fast? The answer varies among scuba certification organizations. Some organizations list a maximum ascent rate of 30 feet/
BOATING – Seas and Waves
Wave heights Coastal wave heights Modern well-designed small craft are highly seaworthy. However wind and waves have a major bearing on performance and, in extreme
Buoyancy Control Part 2 of 2
BUOYANCY CONTROL PART 2 of 2 Understanding buoyancy is key to safe and easy scuba diving. While the concept of buoyancy may be confusing at
Diabetes and Diving – DAN
DIVING WITH DIABETES: GUIDELINES AND LATEST RESEARCH For many years the medical community have advised against diving with diabetes. Diabetes is a disease which affects
Dive Planning – DiveMax app
Planning your dive can sometimes be tricky with the tables. DiveMax is an app for your phone, tablet and PC that you may find useful. (Android
LIFE EXPECTANCY OF A SCUBA TANK
How long does a SCUBA tank last?. We look at aluminium, steel and carbon fibre tanks and Hydro static testing,
Nitrox and Fatigue – DAN
Air, Nitrox and Fatigue Compressed air has been the standard and most widely used breathing mix in recreational diving for decades. Breathing-gas mixtures with a