Emergency Oxygen

IT WAS A BEAUTIFUL, WARM SATURDAY IN THE PACIFIC NORTHWEST. We were conducting two checkout dives for an advanced open-water course at a popular dive site in Puget Sound. I […]

emergency oxygen DAN first aid courses 3.0

Teaching Rescue: Am I Qualified?

WHEN ASKED TO DESCRIBE THEIR FAVORITE COURSE, many divers will discuss the challenges and triumphs they experienced during their rescue class. Instructors often describe rescue as the most rewarding course […]

dive rescue course at DAN

Trouble in Galápagos

DAN EMERGENCY SERVICES RECEIVED A CALL via satellite phone from a liveaboard anchored off a remote island in the Galápagos. A DAN member was concerned about their bunkmate exhibiting symptoms […]

Oxygen Cleaning of Dive Gear: A Two-Part Series

IN THE PREVIOUS ARTICLE, we settled on the recommendation that equipment used to control any breathing gas mix containing 25 percent oxygen and above at typical scuba cylinder pressures should […]

Popping the Question: What is a DSMB?

SURFACE MARKER BUOYS (SMBS) AND DELAYED SURFACE MARKER BUOYS (DSMBS) are common and essential safety devices. These brightly colored, inflatable tubes, sometimes called safety sausages, are critical pieces of equipment […]

Alert Diver Q3 Dive Gear

The Maldives

WHILE THE WORLD WAS STILL MOSTLY LOCKED DOWN with travel restrictions, my social media feed was alive with gorgeous photos from the Maldives. The Maldives opened sooner than most foreign dive destinations, so there was ample photographic inspiration …

Alert Diver magazine Q3 2022 Diving in the Maldives with manta rays.

Diving With My Dad

I WAS 13 YEARS OLD THE FIRST TIME I WENT SCUBA DIVING. My family was on a trip to Cancun, and my dad took me and my sister, Carrie, who […]

Saba

I SUSPECT THAT MY LOVE FOR SABA was set in motion the first time my father threaded King Kong onto our home projector. It was the original black-and-white film from 1933 […]

Beyond Black

OUR UNDERWATER WORLD IS FULL OF VIBRANT COLORS, interesting patterns and textures, and fascinating creatures. It’s a wild place that is unpredictable and simultaneously harsh and harmonious. Taking a camera […]

Spine Health

LOWER BACK PAIN is one of the most common medical complaints. Estimates are that more than 500 million individuals worldwide experience lower back pain, making it the leading cause of […]