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PADI Tec 40

PADI Tec 40


  • Duration : 3 Days (Minimum)
  • Minimum Age : 18 years
  • No. of Dives : 4 (Minimum)
  • Max. Depth : 40 metres/130 feet
  • Prerequisites :

    (a) 30 logged dives (b) PADI Advanced Open Water Diver or equivalent
    (c) PADI Enriched Air Diver or equivalent with at least 10 dives on enriched air, deeper than 18 metres/60 feet (d) PADI Deep Diver or equivalent with at least 10 dives to 30metres/ 100feet

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A subset of the Tec Deep Diver Course, Tec 40 is ideal for someone entering technical diving. It bridges the gap between recreational diving & full technical decompression diving. 

Conducted over a period of 3 to 5 days, the course helps students gain experience & begin building the knowledge & skills to continue their Tec diving training. It consists of three knowledge development sections, classroom sessions, & a minimum of four training dives. 

Participants learn about –

  • The risks & responsibilities of technical diving
  • Equipment configuration
  • Gas planning, oxygen limits & decompression planning 
  • Team diving techniques
  • Emergency procedures like dealing with free flows, manifold leaks, & out of gas situations.

Upon certification, Tec 40 divers are qualified to make limited decompression dives to 40 metres/130 feet using equipment that is similar to the one used in mainstream recreational diving.

At SEI, technical diving courses are taught using a mix of classroom presentations, theory discussions, & in-water training, leading up to open water dives. An ideal course schedule goes as follows –

Day 1 (8.30am–5pm): Classroom presentation & decompression theory discussion; equipment considerations; finning workshop & pool training

Days 2 & 3 (7am-3pm): Open water dives including qualifying dive, debrief & further remedial training if required.

Once a course is booked, we assign e-learning materials at the earliest to help you complete theory sections at your pace & convenience, prior to arrival at the dive centre. This is highly recommended as it also allows us to allocate more time for in-water training.

Technical courses are performance-based & not time-based. This means, the duration of the course depends on the time it takes for you to master skills & additional training days may be required, if necessary.

  • The course can be conducted in standard recreational equipment or on sidemount.
  • The participant should be a certified sidemount diver with at least 10 sidemount dives or incorporate the Sidemount Diver Course alongside. This increases the duration to five days.
  • Enriched Air & Deep Diver Courses can also be conducted prior to the Tec 40 course over two additional days.
  • It is strongly recommended that no flights be undertaken for at least 24 hours after the last dive
  • We do not provide accommodation, pick-up & drop services either from hotel or dive centre. However, we can assist in all bookings for the same, through our partner companies.