National Association for Cave Diving
Cavern Diver Course
and Requirements
The purpose of the NACD cavern course is to teach the safe exploration of the
cavern environment within specified limits. This course is designed to be an
extension of your recreational diving training and intended for the use of
single tanks (Instructor discretion for use of double cylinders). The course
develops and establishes minimum skills, knowledge, dive planning abilities,
problem solving procedures and the basic abilities to safely dive in the cavern
zone of the cave.
COURSE DURATION:
1.
This course may be taught over a period of two days (Instruction
discretion as additional days maybe required to meet the minimum skills).
2.
Minimum of 4 Cavern Dives
PRE-REQUISITES:
- Open water certification.
- Minimum of 25 logged dives
- Minimum age 18, 16 with signed
parental consent
LECTURES:
- Definition and purpose of safe
cavern diving
- Review of medical aspects of
diving
- Review of dive tables &
dive computers
- The cavern environment
- Buoyancy control and
body/attitude positioning
- Cavern diving techniques
- Communications
- Accident Analysis
- Psychological aspects of
cavern diving (stress, attitude, awareness, reaction to stress in
self/others, building tolerance, etc.)
- Equipment and equipment
configurations
- Lines and line technique
- Diver planning and air
management
- History and philosophy of NACD
- Emergency prevention and
procedures
LAND DRILLS:
- Proper use of guidelines and
reels
- Techniques in following guide
lines
- Touch contact procedures
CAVERN SKILLS/EXERCISES – to be performed in the
overhead (cavern) environment:
- Use of guide reel and line
- Touch contact drill while
following guideline
- Share air while exiting cavern
zone
LIMITATIONS OF CAVERN COURSE:
- Natural sunlight
- Maximum 200 feet penetration
distance
- No decompression diving
- No cave restrictions
- Maximum depth - 100 feet
- Minimum visibility - 30 feet
- Minimum starting pressure -
2000 psi or 58 cubic feet
- 1/3 air rule on singles, 1/6
on doubles
MINIMUM EQUIPMENT:
- Mask, low volume type
recommended
- Power fins-straps taped
together, if applicable
- 72 cubic foot or greater
single cylinder. Recommended: single cylinder with dual valve orifice
- Single hose regulator with an
octopus as the alternate air source and submersible pressure gauge
- Exposure suit, suitable for
diving location
- Buoyancy compensator with auto
inflator
- Submersible dive tables or
computer must be used
- Knife, preferable small and
sharp, or line cutter acceptable to instructor
- Slate and pencil
- Watch or bottom timer and
depth gauge. A dive computer may be used in place of these
- Weight belt or other
instructor approved weights
- Battery powered dive lights,
at least two per diver. These lights should a suitable burn time for the
dive being planned
- Minimum of two safety reels
per diver
COURSE COSTS:
- Deposit of $150.00 is required
to secure dates
- Class fees $150.00 per day.
MOST classes are completed in 2 days.
Additional days MAYBE required at the discretion of the instructor.
- $25.00 NACD certification card
fee
- Private classes are available
ITEMS NOT INCLUDED IN COUSE FEES:
- Required Manuals
- NACD Cavern / Cave
Diver Workbook
- NACD Hand Signals for
Scuba Diving
- Entrance Fees to Dive Sites
- Transportation and any travel
fees associated with training (meals, lodging, etc…)
- Air Fills
- Equipment listed in the
‘Minimum Equipment’ section
- Equipment Rental (if
necessary)
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