The Tec 50 course completes your training as an entry-level tec diver, taking you past the limits of recreational diving. 

Prerequisites: You must: 

• Be a PADI Advanced Open Water Diver (or hold a qualifying certification from another organization) 
• Be a PADI Rescue Diver (or hold a qualifying certification from another organization) 
• Be a PADI Enriched Air Diver (or hold a qualifying certification from another organization) 
• DSAT Tec 45 Diver (or hold a qualifying certification from another organization) 
• Have a minimum of 100 logged dives, of which
      · 20 dives must be enriched air dives
      · 25 dives must be deeper than 18 metres/60 feet
      · at least 20 dives must be deeper than 30 metres/100 feet 
• Be at least 18 years old 
• Have a medical statement signed by your physician 

The course: Over four dives you will:

• Make actual decompression dives as deep as 50 metres/165 feet
• Use enriched air nitrox and/or oxygen for decompression
• Use desk top decompression software to create custom dive tables and plan your dives
• Qualify to make technical decompression dives independently   

Equipment:

• Primary mask / backup mask
• Fins
• Wing-type BCD and harness
• Primary and secondary
• Twin cylinders
• Decompression cylinder / Stage bottles
• Dry suit
• Submersible pressure gauge
• Equipment placed in thigh pocket
• Multigas dive computers
• Z-knife and shears
• Safety reel and lift bag

Materials: You'll use the Tec Deep Diver Crew-Pack, which introduces you to 

• tec diving lingo 
• emergency procedures 
• decompression and stage cylinder handling 
• gas planning 

The pack includes a manual, dive planning checklist and dive planning slate. The optional Equipment Set-up and Key Skills video on DVD is a great tool to help you practice at home in between your tec diving adventures. 

What's Next? TEC Trimix 65.