This site will not function as intended with JavaScript disabled!

SDI Altitude Diver

SDI Altitude Diver

The purpose of the SDI Altitude Diver Course is to acquaint a diver with the necessary procedures and knowledge to dive safely at altitudes at least 300 metres/1000 feet above sea level.

Who this course is for:

  • The certified diver looking to experience scuba diving in high mountain lakes safely by applying what they learn during this course

Course prerequisites:

  • SDI Open Water Scuba Diver, SDI Junior Open Water Diver, or equivalent or current enrollment in one of those courses
  • Minimum age 18, 10 with parental consent

What you can expect to learn:

The SDI Altitude Diver Course takes an in-depth look at all of the following and more:

  • Why we do this type of diving?
  • Dive tables as they relate to altitude diving
    • DCIEM tables
    • Bühlmann tables
    • Cross corrections to United States Navy (USN) tables
  • Computers
    • Computer’s capability and usage
  • Calculations based on cross corrections to USN tables
    • Usage
    • Examples of problems
    • Last dive and travel at higher altitudes
  • Correction of depth gauges and computers
    • Gauges designed for 1 atmosphere (ATM)
    • Capillary depth gauge will reflect the actual depth
    • If there is any doubt use measured down line
  • Hypoxia during altitude diving
  • Levels of altitude:
    • 300 metres/1000 feet SDI Instructor Manual
    • 1200 metres/4000 feet, etc

Some of the required skills you will have to demonstrate include:

  • Plan a dive at altitude using appropriate tables
  • Compute their no-decompression information
  • Test and check all equipment, i.e. depth gauges and bottom timers/watches and computers
  • Enter water and descend
  • Monitor depth and no-decompression time on slates
  • Ascend
  • Log dives

What’s in it for you?

Upon successful completion of this course, graduates may engage in diving activities without direct supervision of the SDI Instructor* so long as the following limits are adhered to:

  • The diving activities approximate those of training
  • The areas of activities approximate those of training
  • Environmental conditions approximate those of training

*Note: Junior divers (ages 10-14) must participate in Altitude diving activities with a parent, guardian, or dive professional.

Also, the SDI Altitude Diver certification counts towards a single specialty rating to achieve the SDI Advanced Diver Development Program.

SDI Altitude Diver minimum requirements:

  • Complete all open water requirements efficiently
  • Demonstrate mature and sound judgment concerning dive planning and execution

How to take this course!

  • Find your local SDI Dive Center: here

pdf Course Standards & Procedures

Related Blog Articles

manta ray and scuba diver
scuba diving ambassadors
nervous looking scuba diver with hand on top of head signaling ok
Sand Tiger Shark
How to Pack and Travel with Dive Gear

Like what you’re reading? Go VIP

Join the 100,000+ subscribers getting exclusive content, private Q & A’s,
awesome interviews and more. No spam, ever. Just great stuff!

Signup for our Newsletter

SDI TDI ERDI PFI