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WWG 14a · Whitewater / inland waterway guide
IRF guide / trip leader (Class III–V) with ACA Swiftwater Rescue; USCG OUPV / Master for motorized vessels.
Credentials: IRF Raft Guide (Class III–V) or IRF Trip Leader or USCG OUPV (Six-Pack) Captain's License or USCG Master Captain's License (25 / 50 / 100 GT), plus ACA Swiftwater Rescue (SWR)
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SKP 1 · Professional ski / nordic patroller
NSP or APP patroller with OEC: avalanche mitigation, toboggan transport, lift evacuation, on-slope triage.
Credentials: NSP Certified Patroller or APP Professional Patroller or Alpine Patroller or Nordic / Backcountry Patroller, plus OEC — Outdoor Emergency Care
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AVF 2 · Avalanche forecaster / mitigation specialist
A3 Pro 1 / Pro 2; state blaster licence named on the seat for explosive mitigation.
Credentials: Avalanche Pro 2 (A3 / AAA / NSP) or Avalanche Pro 1 (A3 / AAA / NSP)
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HSG 3 · Heli-ski / cat-ski guide
AMGA Ski, CSGA or HeliCAT Lead Guide with Avalanche Pro 1; glacier travel and helicopter loading.
Credentials: AMGA Certified Ski Guide or CSGA Ski Guide or HeliCAT Canada Lead Guide or IFMGA / UIAGM Mountain Guide, plus Avalanche Pro 1 (A3 / AAA / NSP)
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OSV 4 · Over-snow vehicle / sno-cat operator
Commercial over-snow equipment certification; blizzard patient evacuation, remote infrastructure access.
Credentials: Commercial Over-Snow Equipment Certification
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PLG 5 · Polar expedition guide / expedition leader
PTGA Polar / Senior Polar Guide with IAATO field-staff accreditation; sea ice, Zodiac landings, hypothermia management.
Credentials: PTGA Senior Polar Guide (SPG) or PTGA Polar Guide (PG), plus IAATO Field Staff Accreditation
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ILT 7 · Cold-weather ice logistics technician
Polar logistics operations, GPR crevasse profiling, drill-camp setup, blue-ice runway grooming.
Credentials: Polar Logistics Operations Training or GPR Ice Profiling Specialist
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SKG 9 · Sea kayaking / coastal expedition guide
ACA Level 4/5 coastal kayak or British Canoeing Sea Kayak Leader.
Credentials: ACA Level 4/5 Whitewater Instructor / River Guide or British Canoeing Sea Kayak Leader
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RIB 10 · Expedition Zodiac / RIB skipper
RYA Powerboat 2 / Advanced, IYT Master of Craft or USCG OUPV / MCP.
Credentials: RYA Powerboat Level 2 or RYA Advanced Powerboat or IYT Master of Craft or USCG OUPV (Six-Pack) Captain's License or USCG Marine PA / Medical Care Provider (STCW VI/4)
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SLC 11 · Commercial sailing skipper / delivery captain
USCG Master, RYA Yachtmaster Offshore / Ocean, IYT Master, ASA / US Sailing instructor.
Credentials: USCG Master Captain's License (25 / 50 / 100 GT) or RYA Yachtmaster Offshore / Ocean or IYT Master of Craft or ASA / US Sailing Instructor
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ZIP 12 · Zipline / aerial adventure course facilitator / inspector
ACCT Level 1 / 2 practitioner or course inspector.
Credentials: ACCT Level 1 Practitioner or ACCT Level 2 Practitioner or ACCT Course Inspector
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CYG 13 · Canyoneering / technical gorge guide
ACA Canyon Guide (Pro) or ICOpro Level 3.
Credentials: ACA Canyon Guide (Pro) or ICOpro Canyoning Level 3
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TSI 14 · Tandem skydiving instructor / DZ safety officer
USPA Tandem Instructor rating with a current FAA Class 3 medical.
Credentials: USPA Tandem Instructor, plus FAA Class 3 Medical
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TPP 15 · Tandem paragliding / speedflying pilot
USHPA T3 / T4 tandem rating.
Credentials: USHPA T3 Tandem Pilot or USHPA T4 Tandem Pilot
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PSW 16 · Pack-string wrangler / mule packer
Professional packer certification with the USFS crosscut saw card.
Credentials: Professional Horse / Mule Packer Certification, plus USFS Crosscut Saw Certification
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BGH 17 · Licensed big-game hunting guide / outfitter
State guide & outfitter board licence with WFR.
Credentials: State Guide & Outfitter Board Licence, plus WFR — Wilderness First Responder
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TCL 18 · Conservation corps / trail crew leader
USFS / BLM chainsaw B or C faller with crosscut certification.
Credentials: USFS Chainsaw Operator — Class B Faller or USFS Chainsaw Operator — Class C Faller, plus USFS Crosscut Saw Certification
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FSR 19 · Film & television mountain safety rigger
SPRAT / IRATA 2–3 or AMGA guide standing; IATSE safety pass declared.
Credentials: SPRAT Level II — Lead Technician or SPRAT Level III — Supervisor or IRATA Level 2 — Rope Access Technician or IRATA Level 3 — Rope Access Supervisor or AMGA Certified Rock Guide or AMGA Certified Alpine Guide or IFMGA / UIAGM Mountain Guide
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WSC 20 · Marine & stunt water safety coordinator
Rescue 3 or ACA swiftwater, USCG Master or USLA; SAG-AFTRA roster declared.
Credentials: Rescue 3 Swiftwater Rescue Technician or ACA Swiftwater Rescue (SWR) or USCG Master Captain's License (25 / 50 / 100 GT) or USLA Open Water Lifeguard
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HEA 21 · Hostile environment & field media safety advisor
HEAT instructor or HEAT with Wilderness EMT / Paramedic clinical level.
Credentials: HEAT Instructor or HEAT — Hostile Environment Awareness Training
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WTG 22 · Wilderness therapy field guide
OBH Council standards with WFR and CPI; scope-limited, not a clinical seat.
Credentials: OBH Council Standards Training, plus WFR — Wilderness First Responder and Crisis Prevention Intervention (CPI)
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EFI 23 · Expedition field instructor (NOLS / Outward Bound)
NOLS field faculty or LNT Master Educator with WFR.
Credentials: NOLS Field Faculty or Leave No Trace Master Educator, plus WFR — Wilderness First Responder
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WSI 24 · Wingsuit instructor
USPA wingsuit coach / instructor rating with a current FAA Class 3 medical.
Credentials: USPA Wingsuit Coach / Instructor, plus FAA Class 3 Medical
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GPG Galápagos park guide
DPNG Naturalist Guide I–III; marine dive guide for the Marine Reserve.
Credentials: DPNG Naturalist Guide I (Galápagos) or DPNG Naturalist Guide II (Galápagos) or DPNG Naturalist Guide III (Galápagos)
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AMG High-elevation / alpine guide
IFMGA/UIAGM, AMGA Rock / Alpine / Ski or UIMLA IML; DIRCETUR carnet for Inca Trail / Machu Picchu.
Credentials: IFMGA / UIAGM Mountain Guide or AMGA Certified Alpine Guide or AMGA Certified Rock Guide or AMGA Certified Ski Guide or UIMLA International Mountain Leader (IML) or Official Trekking Guide — Peru (DIRCETUR / MINCETUR)
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SAL Study abroad / academic field leader
BLS/CPR baseline plus WFA / WAFA / WFR, Mental Health First Aid and OSAC travel-safety briefing.
Credentials: WFA — Wilderness First Aid or WAFA — Wilderness Advanced First Aid or WFR — Wilderness First Responder or WEMT — Wilderness Emergency Medical Technician, plus MHFA — Mental Health First Aid