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150 Township 5 Camillus NY
315-378-7175

SDI Underwater Navigation Diver



Who this course is for:

  • The certified diver looking for a higher sense of direction and orientation while scuba diving

Course prerequisites:

  • SDI Open Water Scuba Diver, SDI Junior Open Water Diver, or equivalent
  • Minimum age 18, 10 with parental consent

What you can expect to learn:

The SDI Underwater Navigation Diver Course takes an in-depth look at all of the following and more:

  • The aquatic environment
    • Vision
    • Light
    • Sound
    • Tides
    • Currents
    • Waves
    • Surge
  • Natural navigation
    • Bottom contours
    • Depth
    • Amount of light
    • Surge
    • Currents
    • Underwater objects
  • Compass
    • Types
    • Analog
    • Digital
    • Features
  • Compass use
  • Estimating distance underwater
  • Kick cycles
  • Time

Some of the required skills you will have to demonstrate include:

  • Equipment set up
  • Dive planning
  • Predive checks
  • Orientation
  • Navigation
  • Skills are generally done with more success if practiced on the surface from shore. Using the shore or descent line as a starting/reference point makes keeping track of students easier
  • Practice compass use on the surface: out and back, in addition to square and triangle patterns
  • Perform square pattern on the bottom
  • Perform triangle pattern on the bottom
  • Buddy contact
  • Equipment disassembly
  • Log all dives

What’s in it for you?

Upon successful completion of this course, graduates may engage in diving activities without direct supervision of the SDI Instructor* so long as the following limits are adhered to:

  • The diving activities approximate those of training
  • The areas of activities approximate those of training
  • Environmental conditions approximate those of training

*Note: Junior divers (ages 10-14) must participate in underwater navigation diving activities with a parent, guardian, or dive professional.
Also, the SDI Underwater Navigation Diver certification counts towards a single specialty rating to achieve the SDI Advanced Diver Development program.

SDI Underwater Navigation Diver minimum requirements:

  • Satisfactorily complete the SDI Underwater Navigation Diver Knowledge Quests with a passing score of 80%, followed by 100% remediation by the Instructor
  • Complete all open water requirements efficiently
  • Demonstrate mature and sound judgment concerning dive planning and execution


Skill Level: beginner
Skill Details:
Requirements: rentals available for additional cost.
Instructor: Sean Behrman
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Included Materials


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This class cannot be purchased online. Please contact the store for more information.