The Tec 40 diver is qualified to make decompression dives with not more than 10 minutes of total decompression and not deeper than 40 metres while using a single cylinder of decompression gas with up to 50 percent oxygen (EANx50) to add conservatism to the required decompression.

What do I need to start?

you must:

• be a PADI Advanced Open Water Diver (or hold a qualifying certification from another organization)
• be a PADI Enriched Air Diver (or hold a qualifying certification from another organization)
• be a PADI Deep Diver (or hold a qualifying certification from another organization)
• have a minimum of 50 logged dives, of which at least
  • 10 dives must be on enriched air
  • 12 dives must be deeper than 18 metres/60 feet
  • 6 dives must be deeper than 30 metres/100 feet
• have a medical form signed by your physician