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Scuba Diving TECHNICAL show info...

The Scuba Doctor is the leading source for equipment for advanced and technical divers. We have supplied thousands of experienced tech and rebreather divers worldwide with quality scuba diving equipment from the finest manufacturers.

Every year experienced divers die in diving related avoidable accidents that should not have happened because the victim was "always so careful". One of the more common examples is a failure to analyse gas before diving, but there are many different types of avoidable accidents. The usual explanation put forward is a lapse in following their training, typically as a result of complacency. The victim is blamed for becoming complacent, the dive community is again reminded to be vigilant against complacency, and then another avoidable accident occurs. Perhaps a different way of explaining the cause of these predictable accidents could help effect a change in this unfortunate cycle.

The concept of Normalisation of Deviance has been used to describe the cause of NASA's flawed decisions that led to the Challenger space shuttle disaster. Normalisation of deviance from dive safety begins when the diver has a lapse in one or more safety protocols (often as a result of time and/or financial pressures) and nothing bad happens. The lapse reoccurs without incident and slowly the diver grows more accustomed to the deviant behaviour. Eventually the diver becomes so accustomed to a deviation from dive safety standards that they consider their unsafe behaviour to be acceptably normal. Ultimately one or more safety protocols are permanently deleted from their routine; enabling the diver have a serious, perhaps fatal, accident. To other divers, the accident is bewildering because the behaviour seems obviously unsafe and the victim had enough training and certainly enough experience to "know better".

It's clearly not productive to keep blaming the victim for these avoidable accidents. We can't solve this complex problem in a Tech Tip but a step to addressing this dive safety issue is to begin a discussion within the dive training community. Do we need a different educational approach that formally recognises and addresses normalisation of deviance as an underlying cause of many avoidable accidents among experienced divers? If you are an experienced diver, or dive professional, The Scuba Doctor urges you to raise awareness of this issue among your peers.


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Mares
Mares XR DR 25X Tech Regulator Set
Category Path: SCUBA and WATERSPORTS > Scuba Diving RECREATIONAL > REGULATORS > Twinset Regulators

Mares XR DR 25X Tech Regulator Set

The Mares XR DR 25X Regulator Set is a pair of regulators for a DIR twin setup with a heavy duty metal 2nd stage for outstanding performance for...
$1,599.00 $1,471.08
-8%
Apeks
Apeks Tek 3 Regulator Set
Category Path: SCUBA and WATERSPORTS > Scuba Diving RECREATIONAL > REGULATORS > Twinset Regulators

Apeks Tek 3 Regulator Set

Apeks has developed unique 1st stages specifically for use on a twin set. The new Apeks TEK3 1st stage regulators are designed for use with twin...
$2,040.00 $1,876.80
-8%
Up to 1 week dispatch
Apeks
Apeks MTX-RC Single Cylinder Long Hose Regulator Set
Category Path: SCUBA and WATERSPORTS > Scuba Diving RECREATIONAL > REGULATORS > Reg + Occy Sets

Apeks MTX-RC Single Cylinder Long Hose Regulator Set

The Apeks MTX-RC Single Cylinder Long Hose Regulator Set is designed for the diver that prefers a long hose configuration on a single cylinder....
$2,100.00 $1,932.00
-8%
Up to 2 days dispatch
Mares
Mares XR CR 25X Tech Regulator Set
Category Path: SCUBA and WATERSPORTS > Scuba Diving RECREATIONAL > REGULATORS > Twinset Regulators

Mares XR CR 25X Tech Regulator Set

The Mares XR CR 25X Regulator Set is a pair of regulators for a DIR twin setup with a heavy duty metal 2nd stage for outstanding performance for...
$1,399.95 $1,287.95
-8%
Apeks
Apeks Tek 3 Regulator Set First Stage - Left and Right
Category Path: SCUBA and WATERSPORTS > Scuba Diving RECREATIONAL > REGULATORS > Twinset Regulators

Apeks Tek 3 Regulator Set First Stage - Left and Right

Now you can buy the Apeks Tek 3 first stage regulators in a set. The set includes the RT133111 (AP0366F-1-L) Left-Hand First Stage Regulator or the...
$1,240.00 $1,140.80
-8%
Up to 1 week dispatch
Mares
Mares XR 25X First Stage Regulator | LEFT
Category Path: SCUBA and WATERSPORTS > Scuba Diving TECHNICAL > Tech Regulators

Mares XR 25X First Stage Regulator | LEFT

The Mares XR 25X First Stage Regulator is a 1st stage with single sided ports for sidemount stages with optimum hose routing. Ports on one side of...
$529.00 $486.68
-8%
Discontinued
Mares
Mares XR 25X First Stage Regulator | RIGHT
Category Path: SCUBA and WATERSPORTS > Scuba Diving TECHNICAL > Tech Regulators

Mares XR 25X First Stage Regulator | RIGHT

The Mares XR 25X First Stage Regulator is a 1st stage with single sided ports for sidemount stages with optimum hose routing. Ports on one side of...
$529.00 $486.68
-8%
Discontinued
Apeks
Apeks XTX50 Oxygen Regulator Set - DIN
Category Path: SCUBA and WATERSPORTS > Scuba Diving TECHNICAL > Tech Regulators

Apeks XTX50 Oxygen Regulator Set - DIN

Now you can get Apeks XTX50 regulator technology in an oxygen ready model. The Apeks XTX50 Oxygen First and Second Stage Regulator Set is built for...
$950.00 $874.00
-8%
Miflex Hoses
Miflex Tech SPG Console - White Face SPG
Category Path: COMPUTERS GAUGES and COMPASSES > Diving Consoles

Miflex Tech SPG Console - White Face SPG

The Miflex Tech SPG Console combines a Miflex Tech Brass and Glass White Face SPG Submersible Pressure Gauge (SPG) in a Console Boot with a 75 cm (30...
$219.00 $201.48
-8%
Up to 2 weeks dispatch
Miflex Hoses
Miflex Tech SPG Console - Black Face SPG
Category Path: COMPUTERS GAUGES and COMPASSES > Diving Consoles

Miflex Tech SPG Console - Black Face SPG

The Miflex Tech SPG Console combines a Miflex 52mm Tech Brass and Glass Black Face SPG Submersible Pressure Gauge (SPG) in a Console Boot with a 75...
$229.00 $210.68
-8%
Up to 2 weeks dispatch
Miflex Hoses
Miflex SPG Console - White Face SPG
Category Path: COMPUTERS GAUGES and COMPASSES > Diving Consoles

Miflex SPG Console - White Face SPG

The Miflex SPG Console combines a Miflex White Face Submersible Pressure Gauge (SPG) in a Console with a 75 cm (30 inch) long Miflex Carbon Black HD...
$211.00 $194.12
-8%
Miflex Hoses
Miflex Tech Brass Snap SPG White Face - 300 Bar
Category Path: COMPUTERS GAUGES and COMPASSES > Analogue Gauges

Miflex Tech Brass Snap SPG White Face - 300 Bar

The Miflex White Faced 52 mm diameter Slim Brass Tech Snap Submersible Pressure Gauge (SPG) is in a nickel plated solid brass housing with extremely...
$169.00
Miflex Hoses
Miflex Tech Brass and Glass SPG Black Face - 300 bar
Category Path: COMPUTERS GAUGES and COMPASSES > Analogue Gauges

Miflex Tech Brass and Glass SPG Black Face - 300 bar

The Miflex Tech Brass and Glass SPG Submersible Pressure Gauge (SPG) with Black Face is a compact and robust cylinder pressure gauge, which provides...
$156.00
Miflex Hoses
Miflex Tech Brass and Glass SPG White Face - 300 bar
Category Path: COMPUTERS GAUGES and COMPASSES > Analogue Gauges

Miflex Tech Brass and Glass SPG White Face - 300 bar

The Miflex Tech Brass and Glass Submersible Pressure Gauge (SPG) with White Face is a compact and robust cylinder pressure gauge, which provides...
$131.00
Apeks
Apeks XTX50 Regulator Set | YOKE
Category Path: Top 10 Products > Top 10 Best Scuba Regulators

Apeks XTX50 Regulator Set | YOKE

This regulator set combines an Apeks XTX50 Primary Regulator with an Apeks XTX50 Second Stage Regulator to deliver effortless air delivery in all...
$880.00
Mares
Mares XR Pressure Gauge with 15cm Miflex Hose - Oxygen
Category Path: SCUBA and WATERSPORTS > Scuba Diving TECHNICAL > Tech Gauges

Mares XR Pressure Gauge with 15cm Miflex Hose - Oxygen

The Oxygen clean Mares XR Submersible Pressure Gauge (SPG) with graduation range of 0-360 bar and 15 cm long Miflex High Pressure Hose is a great...
$279.00 $256.68
-8%
Apeks
Apeks XTX50 Regulator Set | DIN
Category Path: Top 10 Products > Top 10 Best Scuba Regulators

Apeks XTX50 Regulator Set | DIN

This regulator set combines an Apeks XTX50 Primary Regulator with an Apeks XTX50 Second Stage Regulator to deliver effortless air delivery in all...
$880.00
Miflex Hoses
Miflex Thin-Line Brass SPG - 300 bar - Oxygen
Category Path: COMPUTERS GAUGES and COMPASSES > Analogue Gauges

Miflex Thin-Line Brass SPG - 300 bar - Oxygen

The Miflex Thin-Line Oxygen Submersible Pressure Gauge (SPG) is an extremely compact cylinder pressure gauge incorporating a safety-pin-type tube and...
$117.00
Up to 2 weeks dispatch
Miflex Hoses
Miflex Thin-Line Brass SPG - 300 bar
Category Path: COMPUTERS GAUGES and COMPASSES > Analogue Gauges

Miflex Thin-Line Brass SPG - 300 bar

The Miflex Thin-Line Submersible Pressure Gauge (SPG) is an extremely compact cylinder pressure gauge incorporating a safety-pin-type tube and a gear...
$117.00
Shearwater Research
Shearwater Research Petrel 2
Category Path: SCUBA and WATERSPORTS > Scuba Diving TECHNICAL > Tech Computers and Accessories > Tech Computers

Shearwater Research Petrel 2

The Shearwater Research Petrel 2 OC/CC SA dive computer with Titanium bezel is a rugged and reliable technical dive computer with a whole range of...
$1,450.00 $1,334.00
-8%

Max: 2
FREE SHIPPING
Shearwater Research
Shearwater Research Petrel 2 OC/CC - Fischer
Category Path: SCUBA and WATERSPORTS > Scuba Diving TECHNICAL > Tech Computers and Accessories > Tech Computers

Shearwater Research Petrel 2 OC/CC - Fischer

The Shearwater Research Petrel 2 Fischer OC/CC EXT dive computer has all the modes and features of the Petrel 2, plus incorporates a Fischer 103 I/O...
$1,850.00 $1,702.00
-8%

Max: 1
FREE SHIPPING
Shearwater Research
Shearwater Research Perdix 1 AI Dive Computer
Category Path: SCUBA and WATERSPORTS > Scuba Diving TECHNICAL > Tech Computers and Accessories > Tech Computers

Shearwater Research Perdix 1 AI Dive Computer

PRODUCT NOW SUPERCEDED TO PERDIX 2 TI SHEARWATER PERDIX 2 TI The Shearwater Research Perdix AI dive computer incorporates a powerful feature...
$1,499.00 $1,379.08
-8%

Max: 1
FREE SHIPPINGSuperseded
Shearwater Research
Shearwater Research SWIFT HP Wireless AI Transmitter
Category Path: SCUBA and WATERSPORTS > Scuba Diving TECHNICAL > Tech Computers and Accessories > Tech Computer Accessories > Shearwater Accessories

Shearwater Research SWIFT HP Wireless AI Transmitter

The Shearwater Research Swift is the next generation of smart air-integrated wireless tank-pressure transmitters. The Swift allows divers to carry...
$650.00 $598.00
-8%
Apeks
Apeks XTX200 Regulator Set - YOKE
Category Path: Top 10 Products > Top 10 Best Scuba Regulators

Apeks XTX200 Regulator Set - YOKE

The Apeks XTX200 First and Second Stage Regulator Set is able to ace breathing machine tests without breaking a sweat, and in the ocean, it breathes...
$1,120.00
Up to 2 days dispatch
Apeks
Apeks XTX200 Regulator Set - DIN
Category Path: Top 10 Products > Top 10 Best Scuba Regulators

Apeks XTX200 Regulator Set - DIN

The Apeks XTX200 First and Second Stage Regulator Set is able to ace breathing machine tests without breaking a sweat, and in the ocean, it breathes...
$1,120.00
Up to 2 days dispatch
Shearwater Research
Shearwater Research Perdix 1 Dive Computer
Category Path: SCUBA and WATERSPORTS > Scuba Diving TECHNICAL > Tech Computers and Accessories > Tech Computers

Shearwater Research Perdix 1 Dive Computer

PRODUCT NOW SUPERCEDED TO PERDIX 2 TI SHEARWATER PERDIX 2 TI The Shearwater Research Perdix is a full decompression dive computer incorporating...
$1,430.00 $1,315.60
-8%
FREE SHIPPINGSuperseded
Shearwater Research
Shearwater Research Petrel 3 OC/CC - Fischer
Category Path: SCUBA and WATERSPORTS > Scuba Diving TECHNICAL > Tech Computers and Accessories > Tech Computers

Shearwater Research Petrel 3 OC/CC - Fischer

The Shearwater Research Petrel 3 Fischer OC/CC EXT dive computer has all the modes and features of the Petrel 3, plus incorporates a Fischer 103 I/O...
$2,500.00 $2,300.00
-8%
FREE SHIPPINGSpecial Order - <4 days to dispatch
Shearwater Research
Shearwater Research Petrel 3 Computer
Category Path: SCUBA and WATERSPORTS > Scuba Diving TECHNICAL > Tech Computers and Accessories > Tech Computers

Shearwater Research Petrel 3 Computer

The Shearwater Research Petrel 3 OC/CC SA dive computer with Titanium bezel is a rugged and reliable technical dive computer with a whole range of...
$2,050.00 $1,886.00
-8%
FREE SHIPPINGSpecial Order - <4 days to dispatch
Shearwater Research
Shearwater Research Petrel 3 OC/CC - Monitor AK (4-Pin)
Category Path: SCUBA and WATERSPORTS > Scuba Diving TECHNICAL > Tech Computers and Accessories > Tech Computers

Shearwater Research Petrel 3 OC/CC - Monitor AK (4-Pin)

The Shearwater Research Petrel 3 Fischer OC/CC Monitor AK (4-Pin) dive computer has all the modes and features of the Petrel 3, plus incorporates a...
$2,500.00 $2,300.00
-8%
FREE SHIPPINGSpecial Order - <4 days to dispatch
Shearwater Research
Shearwater Research Perdix 2 TI Black Computer
Category Path: SCUBA and WATERSPORTS > Scuba Diving TECHNICAL > Tech Computers and Accessories > Tech Computers

Shearwater Research Perdix 2 TI Black Computer

The Shearwater Research Perdix AI dive computer incorporates a powerful feature set, easy to understand menus, and easy to read full-colour display....
$1,775.00 $1,633.00
-8%
FREE SHIPPING
Shearwater Research
Shearwater Research Perdix 2 TI Dive Computer
Category Path: Top 10 Products > Top 10 Best Dive Computers

Shearwater Research Perdix 2 TI Dive Computer

The Shearwater Research Perdix TI dive computer incorporates a powerful feature set, easy to understand menus, and easy to read full-colour display....
$1,775.00
FREE SHIPPING
Shearwater Research
Shearwater Research Teric Watch Computer - SILVER
Category Path: Top 10 Products > Top 10 Best Dive Computers

Shearwater Research Teric Watch Computer - SILVER

The Shearwater Research Teric brings divers an everyday timepiece and dive computer of unprecedented capabilities. Different watch faces,...
$1,835.00
FREE SHIPPING
Shearwater Research
Shearwater Research Teric Watch Computer - BLACK
Category Path: Top 10 Products > Top 10 Best Dive Computers

Shearwater Research Teric Watch Computer - BLACK

The Shearwater Research Teric brings divers an everyday timepiece and dive computer of unprecedented capabilities. Different watch faces,...
$1,835.00
FREE SHIPPING
Shearwater Research
Shearwater Research Teric Watch Computer - BLUE
Category Path: Top 10 Products > Top 10 Best Dive Computers

Shearwater Research Teric Watch Computer - BLUE

The Shearwater Research Teric brings divers an everyday timepiece and dive computer of unprecedented capabilities. Different watch faces,...
$1,835.00
FREE SHIPPING<4 days to dispatch
Shearwater Research
Shearwater Research Teric Watch Computer-BRONZE (Limited Ed)
Category Path: Top 10 Products > Top 10 Best Dive Computers

Shearwater Research Teric Watch Computer-BRONZE (Limited Ed)

The Shearwater Research Teric - Bronze (Journeys Edition) brings divers an everyday timepiece and dive computer of unprecedented capabilities....
$1,835.00
FREE SHIPPINGSpecial Order - <4 days to dispatch
Shearwater Research
Shearwater Research NERD 2 Dive Computer - Fischer
Category Path: SCUBA and WATERSPORTS > Scuba Diving TECHNICAL > Tech Computers and Accessories > Tech Computers

Shearwater Research NERD 2 Dive Computer - Fischer

The Shearwater Research NERD 2 Fischer is a heads up (HUD) display, advanced hands-free technical diving computer for open and closed circuit divers....
$3,400.00 $3,128.00
-8%
FREE SHIPPING
San-o-Sub
San-o-Sub DIN/K Sidemount Cylinder Valve - RIGHT (232 bar) BK O2
Category Path: CYLINDERS TANKS > Valves / Manifolds

San-o-Sub DIN/K Sidemount Cylinder Valve - RIGHT (232 bar) BK O2

San-o-Sub DIN/K Sidemount Cylinder Valve - RIGHT (232 bar) - Black - Oxygen Clean. The San-o-Sub Blue Steel DIN/K Sidemount Cylinder Right-sided...
$158.00
San-o-Sub
San-o-Sub DIN/K Sidemount Cylinder Valve - RIGHT (232 bar) - Gre
Category Path: CYLINDERS TANKS > Valves / Manifolds

San-o-Sub DIN/K Sidemount Cylinder Valve - RIGHT (232 bar) - Gre

San-o-Sub DIN/K Sidemount Cylinder Valve - RIGHT (232 bar) - Green - Oxygen Clean. The San-o-Sub Blue Steel DIN/K Sidemount Cylinder Right-sided...
$158.00
San-o-Sub
San-o-Sub DIN/K Sidemount Cylinder Valve - LEFT (232 bar) BK O2
Category Path: CYLINDERS TANKS > Valves / Manifolds

San-o-Sub DIN/K Sidemount Cylinder Valve - LEFT (232 bar) BK O2

San-o-Sub DIN/K Sidemount Cylinder Valve - LEFT (232 bar) - Black - Oxygen Clean. The San-o-Sub Blue Steel DIN/K Sidemount Cylinder Left-sided Valve...
$158.00
Garmin
Garmin Descent T1 Transmitter
Category Path: SCUBA and WATERSPORTS > Scuba Diving TECHNICAL > Tech Computers and Accessories > Tech Computer Accessories > Garmin Accessories

Garmin Descent T1 Transmitter

Track your every breath when you pair the Garmin Descent™ T1 transmitter with a Garmin Descent Mk2i dive computer. Monitor up to 5 cylinders...
$699.00 $643.08
-8%
San-o-Sub
San-o-Sub DIN/K Sidemount Cylinder Valve - RIGHT (232 bar) BK
Category Path: CYLINDERS TANKS > Valves / Manifolds

San-o-Sub DIN/K Sidemount Cylinder Valve - RIGHT (232 bar) BK

San-o-Sub DIN/K Sidemount Cylinder Valve - RIGHT (232 bar) - Black - Not Oxygen Clean. The San-o-Sub Blue Steel DIN/K Sidemount Cylinder Right-sided...
$103.00
San-o-Sub
San-o-Sub DIN/K Sidemount Cylinder Valve - LEFT (232 bar) BK
Category Path: CYLINDERS TANKS > Valves / Manifolds

San-o-Sub DIN/K Sidemount Cylinder Valve - LEFT (232 bar) BK

San-o-Sub DIN/K Sidemount Cylinder Valve - LEFT (232 bar) - Black - Not Oxygen Clean. The San-o-Sub Blue Steel DIN/K Sidemount Cylinder Left-sided...
$103.00
San-o-Sub
San-o-Sub DIN/K Sidemount Cylinder Valve - RIGHT (232 bar) GR
Category Path: CYLINDERS TANKS > Valves / Manifolds

San-o-Sub DIN/K Sidemount Cylinder Valve - RIGHT (232 bar) GR

San-o-Sub DIN/K Sidemount Cylinder Valve - RIGHT (232 bar) - Green - Not Oxygen Clean. The San-o-Sub Blue Steel DIN/K Sidemount Cylinder Right-sided...
$103.00
San-o-Sub
San-o-Sub DIN/K Sidemount Cylinder Valve - LEFT (232 bar) - Gree
Category Path: CYLINDERS TANKS > Valves / Manifolds

San-o-Sub DIN/K Sidemount Cylinder Valve - LEFT (232 bar) - Gree

San-o-Sub DIN/K Sidemount Cylinder Valve - LEFT (232 bar) - Green - Oxygen Clean. The San-o-Sub Blue Steel DIN/K Sidemount Cylinder Left-sided Valve...
$158.00
San-o-Sub
San-o-Sub DIN/K Sidemount Cylinder Valve - LEFT (232 bar) GR
Category Path: CYLINDERS TANKS > Valves / Manifolds

San-o-Sub DIN/K Sidemount Cylinder Valve - LEFT (232 bar) GR

San-o-Sub DIN/K Sidemount Cylinder Valve - LEFT (232 bar) - Green - Not Oxygen Clean. The San-o-Sub Blue Steel DIN/K Sidemount Cylinder Left-sided...
$103.00
Sonar
Sonar Gas Transfer/Fill/Equaliser Hose with Pressure Gauge DIN
Category Path: SCUBA and WATERSPORTS > Scuba Diving TECHNICAL > Gas Management > Gas Accessories

Sonar Gas Transfer/Fill/Equaliser Hose with Pressure Gauge DIN

  STOCK STATUS: We would love to ship this to you, unfortunately the International supplier is out of stock of this item. Last notification had...
$650.00 $598.00
-8%
Discontinued
OMS
OMS SmartStream Signature System - 45lb Double Wing - SS
Category Path: SCUBA and WATERSPORTS > Scuba Diving RECREATIONAL > BCDs BCs > Harness and Wing BCDs

OMS SmartStream Signature System - 45lb Double Wing - SS

This OMS SmartStream Signature System with Stainless Steel Backplate and 45 lb Lift Wing offers you a double tank harness system for diving in total...
$3,000.00 $2,760.00
-8%
OMS
OMS SmartStream Signature System - 45lb Double Wing - AL
Category Path: SCUBA and WATERSPORTS > Scuba Diving RECREATIONAL > BCDs BCs > Harness and Wing BCDs

OMS SmartStream Signature System - 45lb Double Wing - AL

This OMS SmartStream Signature System with Aluminium Backplate and 45 lb lift wing offers you a double tank harness system for diving in total...
$2,900.00 $2,668.00
-8%
Discontinued

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