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more practice with OOA scenarios, emergency weight drop, and increased practice in oral inflation of the BCD. Students are also required to inflate an SMB.
They also added a significant increase in practice in neutrally buoyant swimming. ... students MUST spend a significant amount of pool time swimming while neutrally buoyant to be within the standards. (In the RSTC standards, one trip around the pool is about all that was required.) There is more hovering in the confined water course than before, including hovering after ahcieving buoyancy through oral inflation.
Gas management is now taught reasonably well in the course. On the final exam, for example, students have to identify the proper turn pressure on a dive after identifying a gas reserve and deciding to use the rule of thirds on the remaining gas.
Although they do not practice it in the pool beyond what was previosuly taught, the academic postion of the class includes all the main rescue skills included in the rescue diver course.
They must fix a loose cam band under water.
Dive planning is included. At the end of confined water course, students must plan and execute a mini-dive, during which the instructor will introduce problems (like OOA) for students to solve. In the OW dives, the final dive is completely planned and executed by the students, with the instructor simply attending to make sure all goes well.
All of that is new and in addition to the RSTC standards.