Tec45 diver course

Extend your depth limit to 45 metres/150 ft. Learn to plan and execute repetitive decompression dives using a single stage/decompression cylinder.

Equipment to learn

  • Double tank or Sidemount ( Tec sidemout diver only )
  • Aluminum 2 tanks S80 or S72
  • Two deco tank

Equipment to be prepared by yourself

  • BCD
  • Regulator ( 210cm long horse )
  • Torch
  • DSMB (Spool/30meters and Surface marker buoy or Lift bag)
  • Backup Mask
  • Dive computer
  • Wrist type Compass
  • Cutting device
  • Slate and pencil
Student Prerequisites
  • Tec40 diver
  • PADI Rescue diver or Equivalent
  • PADI Deep Diver or proof of 10 dives to 30 metres/100 feet or deeper
  • 50 logged dives
  • 18 years old

Recommendation from TEAL ORANGE DIVE

  • Have a own full technical equipment
  • Usually perform the frog kick( helicopter turn, backward kick )
  • 150 logged dives
Performance Objectives
Tec 45Dive oneDive twoDive threeDive four
EnvironmentConfined water with water shallow enough in which to standOpen waterOpen waterOpen water
GasesAir , EAN or OxygenAir , EAN or OxygenAir , EAN or OxygenAir , EAN or Oxygen
DepthMax 10mswMin15 ~ Max 30mswMin24 ~ Max 45msw
Min30 ~ Max 45msw
Deco No stop onlyNo stop( simulated )Simulated ,single gas switch ,3stops at least 20minSingle gas switch, at least 3 stops 15min of decompression
1AssemblyPlan Deco divePlan Deco divePlan Deco dive
2Predive sequence
Predive sequence
Predive sequence
Predive sequence
3Buoyancy and Trim checkSignal communication any limit reachedSignal communication any limit reachedSignal communication any limit reached
4Deco cylinder remove and replaceRecord for SCR for later calculate Single gas switch, at least 3stops 15min of decompression
(receiver and donor)* NO MASK
6Frog kick
Helicopter turn
Back kick
Ascend simulate deco stops ,NO TOX gas switch3 deco stops
7Valve shutdown drillRecord for deco SCR (3 stops)Bladder fail , including 3min safety stop
(receiver and donor) 30meter
Respond to freeflow of deco gas by closing valve within 30sec
Switch to bottom gas and communicate with team
Respond appropriately to any problems
9Gas switch
Optional 3 simulated problem
10As a simulated support diver, don two deco cylinders passed to you by another diver, swim at least 6 m, then pass both cylinders to simulated decompressing diver
11Respond to unresponsive diver ascend/lift/tow 6m uw
12Bladder fail , using DSMB
14Deploy backup DSMB
15Simulate 4 Deco stop ( 15min ) gas switch
All skill are performed without bottom contact

TEC40 diver course preschedule

E-learning5daysHome studying
Day1Class roomPractical application / Configuration your Equipment and Knowledge review paper test
Day2CWConfined water training
Day3OW 2divesTwo shore dives
Day4OW 2divesTwo boat dives
Day5Extra day
Tec45 course pre schedule