Think what to do before, during and after the passage.
Complete Guide: Preparation • Safety • Compliance • Shelter
📌 ABOUT THIS POST
This guide is made for every seafarer transiting the world’s most challenging waters. It covers all critical steps: following official systems, securing the vessel, assessing risks, planning your route, and knowing exactly where to find shelter if needed.
📋 1. FULL PREPARATION & SECURING
✅ STRICTLY FOLLOW COMPANY PROCEDURES & MANAGEMENT SYSTEM
- Review and sign off the Company Voyage Checklist for High Latitude / Heavy Weather Transit
- Complete all required checks per the Shipboard Safety Management System (SMS)
- Obtain formal approval from the Company Duty Officer / Fleet Manager before finalizing departure
- Follow IMO ISM Code, Polar Code, and Company Heavy Weather Guidelines for every step
- Log all actions, inspections, and approvals in the official voyage record
✅ BATTEN DOWN & SEAL ALL HATCHES
- Fully stretch and secure all hatch tarpaulins
- Install and tighten all battens firmly — no gaps, no slack
- Lock all cleats, turnbuckles, and locking bars completely
- All Tanks, Cargo, Ballast, Cofferdam, Void space, Tunnel, Chain Lockers, Bunker and Pumproom
✅ SECURE ALL WATERTIGHT / WEATHERTIGHT CLOSURES
- Doors: Fully close, clamp, and lock all watertight doors — bulkhead, external, cabin, and alleyway doors
- Manholes: Tighten all bolts and clamps on every deck manhole cover; confirm even gasket seal
- Tank domes: Secure and lock all fuel, water, ballast, and void tank domes
- Vents & flaps: Close and secure weather louvers, air intakes, and exhaust flaps
- Scuttles & windows: Fasten all storm shutters; secure bridge and deck windows
✅ LASH & SECURE ALL DECK ITEMS & MOVABLES
- Gangway & Accommodation Ladder: Fully retract, stow in locked position, secure with heavy lashings; pin all pivot points and confirm no loose parts remain
- Deck Equipment: Secure cranes, davits, winches, windlasses, anchors, lifeboats, rescue boats, and tender — lock brakes, apply additional lashings
- All Moveables: Lash down hoses, tools, spare parts, dunnage, containers, ladders, and loose gear — nothing shifts, nothing falls, nothing becomes dangerous
✅ VESSEL SYSTEM CHECKS
- Perform all tests and inspections as required by Company Planned Maintenance System (PMS)
- Test steering, engines, navigation, and comms fully before departure
- Secure +30% extra fuel reserve for delays as per Company guidelines
- Confirm charts, ice bulletins, and weather updates are current and approved
⚠️ 2. RISK ASSESSMENT
✅ PERFORM PER COMPANY & SMS STANDARDS
- Carry out Formal Voyage Risk Assessment for Cape Horn / Drake Passage, signed by Master and Chief Officer
- Identify hazards: Winds over 50 knots, swells up to 12 m, sudden storms, ice, poor visibility, limited rescue
- Use 3+ independent weather sources plus Company approved routing advice
- Delay departure if winds exceed 35 knots or ice risk is high — report decision to Company immediately
- Log all risks, controls, and acceptance in the official voyage file
🗺️ 3. PASSAGE PLANNING — CAPE HORN & DRAKE PASSAGE
✅ PREPARE PER COMPANY VOYAGE PLANNING PROCEDURE
- Best Transit Window: November to March (austral summer) — longer daylight, milder storms, reduced ice risk
- Approved Cape Horn Route Options:
- Option A — Sheltered Approach: Beagle Channel → Le Maire Strait → pass 10–15 nautical miles north of Cape Horn → enter Drake Passage eastbound
- Option B — Direct Offshore: Clear of Tierra del Fuego → maintain minimum 20 nautical miles clearance from Cape Horn to avoid strong eddies and shoals
- Option C — Westbound Transit: Position well south of the Horn to counter prevailing westerlies; keep clear of Diego Ramírez Islands
- Critical Plan Details:
- Plot dedicated waypoints for: Cape Horn clearing, ice limit boundary, and pre‑planned diversion points
- Maintain safe distance from traffic separation schemes, restricted areas, and reported ice
- Adjust speed to keep critical turns and the Horn itself in daylight
- Update route at every watch; submit position and condition reports to Company as required
- Final plan reviewed and approved by Master and Company Fleet Management before departure
🚨 4. CONTINGENCY PLANS
✅ EXECUTE PER COMPANY EMERGENCY PROCEDURES
- Severe weather: Hold in shelter or divert early as per Company guidelines; adjust speed/heading to reduce rolling
- Equipment failure: Activate emergency systems per SMS; inform Company immediately; prepare diversion to nearest approved shelter
- Communications: Keep GMDSS and satellite links active; report to Chilean DIRECTEMAR and Company Duty Officer at all times
- All emergency actions recorded in logbook and reported to management post‑incident
⚓ 5. EMERGENCY SHELTER POINTS
Exclusive for Cape Horn & Drake Passage only — use only per Company approval
Before Cape Horn / Approach
- Ushuaia / Beagle Channel — full shelter, full services
- Puerto Williams / Bahía Orange — good shelter, limited repairs
- Bahía Good Success — partial shelter for short holding
Cape Horn Region
- Bahía Nassau / Isla de los Estados — sheltered from south swells
- Eastern Strait of Magellan entrances — temporary shelter only
Drake Passage / Antarctic Side
- Potters Cove / King George Island — well protected anchorage
- Melchior Harbour — excellent shelter, watch for ice
- Wiencke Island / Port Lockroy — partial shelter only
⚠️ IMPORTANT: There is NO shelter in the open Drake Passage — divert early before conditions become dangerous, and inform Company immediately.
🙏 FINAL NOTE
Follow every step, follow your procedures, and prepare fully. Skill keeps you steady, faith keeps you calm — and may you sail safely through every wave, and return home fully.
🏷️ TAGS
#CapeHornGuide #DrakePassage #SeafarerSafety #MaritimePreparation #BattenDown #SecureAllGear #CapeHornPassagePlan #CompanyProcedures #SMS #ISMCode #EmergencyShelter #FilipinoSeafarers #SafeVoyage
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