cesa

Okay, folks. We CESA repeatedly at every open water class. 4 times? 8 times? I didn't give it much thought; after all, only 20-30 ft. Last weekend, I happened to be diving with my personal Galileo Luna. It was set at Microbubble level 0; i.e., generic Uwatec dive computer ZHL-8 ADT MB PMG...

Hey, I took a scuba refresher course this morning in preparation for an upcoming trip and practiced a controlled emergency swimming ascent. For the CESA, at the bottom of the pool, 15 feet down, the instructor shut off my air. I got about 1/2 or 3/4 of a lung-full of air before tank went...

Power Scuba Member, I remember my first few years as a diver distinctly. I learned in the Philippines many years ago. I was fearless, fit, and young. (Can be a good... or a dangerous... combination!) I toured around SE Asia and the Western Pacific for six months after that and built a strong...