ANDI Technical Diving Courses

ANDI courses cover Nitrox, Trimix, Decompression diving and more. The basic courses are available to most divers, but to take the more advanced courses you need considerable experience. Please contact us for prices and more information.

Limited Safe Air User (LSU, stage 1)

This course teaches you the basics of diving with enriched air. The course explains limits and restrictions and enables the diver to experience the advantages of breathing pure gas and being at a higher level of safety. The course will supply you with all necessary details for using 32% and 36% Safe Air Mixtures within the limits of normal sports diving. The course encompasses 3.5 - 5 hours theory and two dives in open water for practice. The price covers the certificate, equipment rental and gas fills.

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Complete Safe Air User (CSU, stage 2)

This course builds on the LSU course - leading more deeply into the subject of Safe Air diving. This course will allow the sports diver to use all Safe Air mixtures including Safe Air 50 up to the recommended limits. The course includes 8 - 12 hours theory and two open water dives for practice. The price covers the certificate, equipment rental and gas fills.

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Technical Safe Air Diver (TSD, stage 3)

Prerequisite: CSU-Brevet or equivalent and a minimum of 50 dives. This is the first ANDI-program which covers everything required for technical decompression diving including stops when ascending to minimize all possible risks.

Included is the use of various Safe Air mixtures to increase and improve decompression efficiency, safety, gas volume management, methods of oxygen regulation and the dependence on oxygen dosage including practical experience. This course is the basis for all other ANDI technical and exploration programs. The depth during the dives in this course will reach 50 meters. The course will also cover equipment configurations and dive techniques intensively.

Theory will take 8 - 10 hours, one pool session and four open water dives. The fee includes certificate, equipment rental, gas fillings and dive trips. Course duration about 5 - 7 days.

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Extended Range Exploration Diver (ERD, stage 4)

Prerequisite: TSD-Brevet or similar and 100 dives. This course covers the gap between decompression-diver and deep-explorer. The following topics will be covered: gas supply management, team work and the planning of longer and deeper dives.

Maximum depth is 50 meters. This course will prepare you for deep, aimed dive descents and will introduce you with the Tri-Mix exploration programs. This will take 10 - 12 hours of theory in the class room and four open water dives. The fee includes certificate and four dive trips. The course is 6 - 8 days. Rental equipment and gases not included.

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Tri-Mix-Exploration-Diver (TMD, stage 5)

Prerequisite: TSD and ERD Brevet or similar and 200 dives. For diving at depths more than 50 meters the use of helium reduces the risks.

The ANDI Tri Mix Exploration Diver will know how to deal with helium and oxygen mixtures to be able to reach deeper depths. The limit here will be at 100 meters (depending on qualification and experience). The course includes 10 - 12 hours of classroom theory and four dives to practice the newly acquired knowledge in deep open water. Course duration 6 - 8 days. The course price includes certificate and four dive trips. Rental equipment and gases not included. Includes a dive on the HMS Vestal Wreck.

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Combined Extended Range and Tri Mix

This course includes 10 to 12 hours of theory and six open water dives. The fee includes certificate and six dive trips. Course duration about 12 days. Rental equipment and gases not included in the price.

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Technical Gas Blending

This is a two day course taking six to eight hours of theory and one day practicing to mix the various gas blends with oxygen, helium and nitrogen. The fee includes certificate and diploma.

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