ANDI Advanced Sidemount

Overhead Environments Diver – Level 3

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The ANDI Advanced Sidemount  (Overhead) course trains divers at Full Cave or Technical Wreck level l to use sidemount equipment configuration for extended overhead environment penetrations, including; multi-stage penetrations and techniques for very confined environment and passage through small restrictions. This course is conducted in overhead environments, with 6+ cylinders and participating students are expected to have attained a solid foundation in overhead environment competency prior to the training.

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ANDI Advanced Sidemount (Overhead) Diver – Course Overview

The ANDI Advanced (Overhead) Sidemount Diver course, level 3, consists of three section:

  • Theory – minimum 3 hours theory, covering different sidemount configurations and recommended uses
  • Skills Evaluation and Practice – conducted in confined water/open water (depth not exceeding 10m/33ft
  • Overhead Environment Dives – 6  dives, 6+ cylinders, max 2 dives per day, 180 minutes minimum diving duration
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ANDI Advanced Sidemount (Overhead) Diver – Student Prerequisites

ANDI certified as Technical Wreck or Full Cave diver and Technical Scuba Diver, or equivalent

Plus the following requirements: The candidate should be able to present a log book showing current diving activity commensurate with the anticipated course objectives, competency using $+ cylinders on complex dives AND a total diving experience of NOT LESS THAN 200 dives.

Note: This is a progressive level diving course. The certification awarded indicates a high level of diving competence. In order to maintain the caliber of course graduates, additional practice dives under instructor supervision, may be required before certification will be awarded.

ANDI Advanced Sidemount (Overhead) Diver – Course Limitations

  • The maximum recommended exposure of oxygen is 1.45 Po2.
  • The absolute maximum exposure to Oxygen, approved for normal dive (non-emergency) profiles is 1.6 Bar PO2 (1.6 ata) during deco at rest. The recommended maximum exposure to Nitrogen is 4.5 Bar PN2 (4.5 ata).
  • Penetration into the overhead environment significantly beyond the light zone and through very confined areas/restrictions
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 Minimum Equipment Requirements List

  • 2 Masks
  • Power Fins sufficient to the task
  • 2 Submersible Pressure Gauges
  • 2 quality regulator first stages
  • 2 regulator second stages, review hose length with your instructor.
  • Sidemount buoyancy compensating device. If student is unable to maintain buoyancy due to a bladder failure, two bladders with a combined minimum lifting capacity of 36 Kg (80 lbs) is recommended.  See List of  Currently Available Sidemount BCD Systems
  • Inflator hose
  • Exposure protection adequate for the conditions
  • 2 depth gauges with adequate depth range parameters
  • 2 time pieces (preferably with stop watch capabilities) which may be combined with the depth gauges
  • 2 small cutting devices
  • Integrated weight system or weight belt with double clasps/buckles
  • 1 line reel with a minimum of 150 meters (300 ft.) of #24 nylon line
  • 2 safety spools with a minimum of 30 meters (100 ft.) of #18 nylon line
  • 2 dive slates / wet notes
  • A primary dive light (canister light recommended) with an appropriate burn time
  • 2 back-up lights
  • 6 directional markers (line arrows)
  • 3 non-directional markers (cookies or clothespins)
  • 10 regulator contents tags and 10 cylinder contents tags or labels
  • 100 electrical tie-wraps of varied sizes is recommended
  • A selection  for varied size bolt and double-end snaps
  • 2 Oxygen Clean and Compatible decompression regulators additional regulators
  • 2 Stage Cylinder regulators and rigging

Read / Download the Sidemount Course Brochure

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