One of the most exhilarating of all diving experiences is the night dive. It involves you, in a totally new set of relationships with the underwater environment. You will notice that the denizens you recognized at daytime diving will behave different

• Experience: AOW & 20 Dives
• Minimum age: 18 years
• Training level: 2

The Navigation module is the first in the series of specialty diving modules under the ANDI System.  This chapter is divided into two sections with each section defining its own objectives.

• Experience: AOWD & 20 Dives
• Minimum age: 16 years
• Training level: 2