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MARCELIN NEBENHAUS IN AKTUN HU
November 28, 2017
Aktun Hu is a part of the Sac Aktun (white cave) system in Mexico’s Riviera Maya. Don’t let the name fool you, not every tunnel is white! Here Under the Jungle instructor
Marcelin Nebenhaus
glides past golden formations.
Photo by Cyril Buchet
Otoch Ha
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CONTACT
ABOUT
SHOP & LOCATION
NAT
VINCE
LILY
ARYA
HEATHER
COURSES
CAVE & CAVERN
SIDEMOUNT
TECHNICAL
JJ-CCR REBREATHER TRAINING
BECOME A TDI INSTRUCTOR
GUIDING
GUIDED CENOTE DIVING
CAVE DIVING
TECHNICAL DIVING
DOWNLOADS
CAVE PASS
EQUIPMENT LISTS
BACKMOUNT GEAR LIST
SIDEMOUNT GEAR LIST
JJ-CCR GEAR LIST
STUDENT RESOURCES
INTRO TO TEC
INTRO TO TEC SCHEDULE
BACKMOUNT GEAR-UP
PRE-DIVE CHECKS (Power-LEAPS)
SIDEMOUNT
SIDEMOUNT SYLLABUS
SIDEMOUNT GEAR LIST
SM 1: DRY CHECKS, DON TANKS IN WATER
SM 2: GAS MANAGEMENT
SM 3: PRE-DIVE CHECKS (Power-LEAPS)
SM 3: COMMUNICATION
SM 4: SCR IMPERIAL
SM 4: SCR IMPERIAL WORKSHEET
SM 4: SCR METRIC
SM 4: SCR METRIC WORKSHEET
SM 5: CHAIN OF COMMAND
SM 6: SIDEMOUNT HISTORY
SM 8: PROS AND CONS OF SIDEMOUNT
SIDEMOUNT LOG SHEET
CAVERN
CAVERN SYLLABUS
1: CAVERN BASICS
5: REEL WORK
INTRO TO CAVE
INTRO TO CAVE SYLLABUS
1: LIMITS OF INTRO TO CAVE
2: LOST LINE PROTOCOL
3: RANGE CALCULATIONS
4: ENTANGLEMENT PROTCOLS
5: TEAM SEPARATION
FULL CAVE
SIDEMOUNT GEAR LIST
FULL CAVE SYLLABUS
NAT’S GENERAL NAVIGATION OVERVIEW
1: RULE OF THIRDS
2: JUMP T’S AND GAPS
3. LIMITS OF FULL CAVE
STAGE CAVE
1: GEAR & BASICS
2: GAS MANAGEMENT
3: DROPS
4: RECALCULATIONS
5: ADVANCED GAS MANAGEMENT
CAVE SURVEY
CAVE SURVEY SYLLABUS
SURVEY 1: TOOLS AND METHODS
SURVEY 2: ACCURACY AND SOURCES OF ERROR
SURVEY 3: SAFETY AND GAS PLANNING
SURVEY 4: NOTE TAKING
JJ-CCR COURSES
JJ-CCR EQUIPMENT LIST
FORMS AND RELEASES
Medical Form (for People Who Have All “No” Responses and Don’t Need a Doctor’s Signature)
Medical Form (For People Who Have “Yes” Responses and need a Doctor’s Signature)
Course and Guiding Diving Liability Release
DRIVING DIRECTIONS
Driving Directions in English
Driving Directions in Spanish
INSTRUCTOR RESOURCES
SIDEMOUNT
SIDEMOUNT COURSE RECORD
STUDENT LOG SHEET
SCHEDULE
CAVERN
CAVERN COURSE RECORD
STUDENT LOG SHEET
SCHEDULE
INTRO TO CAVE
INTRO COURSE RECORD
STUDENT LOG SHEET
SCHEDULE
EXPLORATION
FAQs
ALL FAQs
AM I QUALIFIED?
WATER TEMPERATURE
WHERE ARE THE CENOTES?
NEWS
FRANCE TRIP – JUNE/JULY 2024
BONAIRE 2024
PUERTA MAYA – JANUARY 2023
PRICES
2024 TRAINING PRICES
2024 CAVERN DIVING PACKAGES & PRICES
2024 CAVE DIVING PRICES & PACKAGES
2024 REBREATHER CAVE DIVING PRICES AND PACKAGES
2024 EQUIPMENT RENTAL PACKAGES AND PRICES
SCIENCE
VIDEOS
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