Learning how to Use and Clear an AGA mask

March 25, 2010 by Andrea Zaferes  

The Desired Learning Outcome (DLO) of clearing an AGA is as follows. Two years from at 0200 hrs, you are called to a submerged vehicle with two passengers. It is cold and rainy. The team is in rescue mode.... 

Stop, Think, and Act

January 13, 2010 by Walter "Butch" Hendrick  

STOP, THINK, ACT By Walt “Butch” Hendrick The words and concepts are pretty simple and and areprobably familiar to all divers, but what do they mean? How do we put them to our best use? Let us... 

Buoyancy Control

January 4, 2010 by Walter "Butch" Hendrick  

Buoyancy control is actually much deeper than most people understand. It requires an understanding that we are in a weightless environment. It is only weightless because we do things to make it so, such...