The third part of the full PADI Tec Deep Diver program is Tec 50. As a Tec 50 diver, you show that you’ve developed competency as a tec diver and have the skills to dive to a maximum of 50 metres/165 feet. You know how to make extended, accelerated decompression stops using up to two gases. It’s not easy to reach this level and earning your Tec 50 certification opens the door to deeper diving expeditions.

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Step 1 – Theory Lesson

This program is beyond that of the recreational level, there are some preparation work that needs to be done prior to the class. Proper equipment fitting will be done before and during the theory lesson. As much as ill-fitting or mildly faulty equipment is generally overlooked and divers are accepting them because there are no other choices, this is strictly unacceptable in technical diving. Your instructor will make personalized recommendations for equipment based your your physicalities and aspiration as a technical diver.

At Tec 50, there will be 2 sessions of theory lessons, 3 hours per session. Topics such as Technical Diving Risks and Responsiblities, Technical Diving Equipment Requirement, Gas Planning, Team Diving and Emergency Procedures will be built upon from Tec 40 and Tec 45. The content is rather heavy and intensive but ultimately it is to train you to start thinking and reacting like a technical diver even before you hit the water. No longer will a passing grade be acceptable and a full grasp of the course content is expected. Of course our in-house technical diving instructors will be guiding you along the way and highlight key concepts.

During the theory lesson you would also be able to try some practical skills, such as valve drills on a set of twin tanks, in the comfort of the class room before entering the pool. 

Theory lessons are conducted on Wednesday evenings, 1830hrs to 2130hrs, at our dive school. Alternate lesson timing is possible based on instructors’ availability.

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When you are done with your theory and pool training, it is time to decide where you would want to go to complete your 4 required ocean dives.

Orpheus Dive offers many different packages catering to your budget and also your need for comfort and experience.

Local Diving Course – Designed for divers who wants to obtain their certification without leaving the country. The visibility around Singapore water is not the best in Asia, with an average underwater visibility of about 3 to 4 metres. The 4 required ocean dives are conducted over two seperate weekends on Sunday mornings.

Budget Tioman Trips – Designed for divers who wants to be trained by our experienced instructors but do not wish to have all the comfort and ease of diving. Please note, such packages requires almost a total 10 hours per way. The chalets in such packages are generally quad sharing (two twin sharing beds) in a “rustic” wooden chalets. DO NOT EXPECT ANY FORM OF SERVICES from the chalets in this package.

Bali Weekend Getaway – Designed for divers who can take 1.5 days off from work. Bali as a diving destination is renowned and the bungalows we used are designed for comfort for 2 divers. All we have gotten as reviews from divers are “Value for Money”, “Great Diving”, “Much better than the tiring Tioman Trips” and “Extreme luxurious trip at affordable prices”.

Liveaboard Diving from Singapore – For divers who want the comfort without taking off from work, another option we provide are liveaboard departing from Singapore. Whilst liveaboard is not as comfortable as our Bali trips, it is significantly much better than the budget Tioman trips as well.

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  • Be a PADI Tec 45 diver
  • Have a minimum of 100 logged dives, with at least 20 dives on enriched air nitrox deeper than 18 metres/60 feet and 15 dives deeper than 30 metres/100 feet
  • Be at least 18 years old
  • Have a Medical Statement signed by a physician within the last 12 months


Technical (tec) diving means going beyond recreational scuba diving limits. But, tec divers will tell you that it’s really about the challenge and adventure of exploring places that no one else has ever seen. Tec diving is not for everyone, but it does attract experienced divers who want to go beyond their current limits and are willing to accept the added risks, training, investment and commitment it demands. If this is you, then PADI TecRec courses are your ticket to extreme adventure.

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