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This is the entry-level certification course for recreational divers wishing to utilize enriched air Nitrox (EAN) as a breathing gas. The objective of this course is to train divers in the benefits, hazards, and proper procedures for using Nitrox mixes from twenty two (22) to forty (40) percent oxygen content.
Qualifications of Graduates
Upon successful completion of this course:
1. Graduates may engage in diving activities utilizing EAN-22 to EAN-40 without direct supervision.
Graduates would be qualified to enroll in:
1. TDI Advanced Nitrox Course.
2. TDI Decompression Procedures Course.
3. TDI Semi-closed Rebreather Course.
Who May Teach
Who may teach this course:
1. Any active TDI Nitrox Instructor.
Student – Instructor Ratio
Academic:
1. Unlimited, so long as adequate facility, supplies and time are provided to insure comprehensive and complete training.
Confined Water (Swimming pool-like conditions):
1. N/A.
Open Water (Ocean, lake, quarry, spring, river or estuary):
1. Since entry level Nitrox is essentially an information and academic based course, no dives are specifically required as there are no skills to evaluate.
2. However, optional dives are desirable to effectively demonstrate the advantages of EAN use in practical field use. If scheduled, no direct instructor supervision is required but dives should not be conducted in environments that may exceed the existing skill or depth levels of the student.
Student Pre-Requisites
The student must:
1. Be a minimum age of fifteen (15).
2. Have a Minimum certification of Open Water Diver or a current enrollment in an Open Water Diver course.
Course Structure and Duration
Open Water Execution:
1. Two (2) Nitrox dives are recommended but are not required.
Course Structure:
1. TDI allows instructors to structure courses according to the number of students participating and their skill level.
Duration:
1. The suggested number of classroom hours is three (3).
Administrative Requirements
The following is the administrative tasks:
1. Collect the course fees from all the students.
2. Ensure that the students have the required equipment.
3. Communicate the training schedule to the students.
4. Have the students complete the Liability Release and Medical history forms.
5. The Instructor should review the Liability Release and Medical Forms before starting on the course.
Upon successful completion of the course the Instructor must:
1. Complete the Student Registration Form and send the Registration Form to TDI HQ.
2. Award card and certificate.
Required Equipment
The following are required for this course:
1. TDI Nitrox Student Manual.
2. TDI Nitrox Slides / Overheads / Power Point Presentation.
3. TDI EAD / P02 Tables.
Required Subject Areas
The TDI Nitrox Manual is mandatory for use during this course but instructors may use any additional text or materials that they feel help present these topics. The following topics must be covered during this course:
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