Posted by Jerry on October 09, 2001 at 16:20:16:
In Reply to: Need input to reach advanced posted by Tim O'Rielly on October 09, 2001 at 14:54:16:
The most important preparation you can do for your advanced class is research on your instructor. The quality of the course and your safety in the deep dive and night dive are directly related to the quality of instruction and instructor.