1. General Overview of Iwakuni Port
Iwakuni Port is a key commercial and industrial port in Yamaguchi Prefecture, Japan, managed by the Iwakuni Port Authority under the jurisdiction of the Japanese Ministry of Land, Infrastructure, Transport and Tourism (MLIT). It serves as a hub for petroleum, chemicals, and general cargo, with facilities including berths for large vessels and hazardous material handling zones.
2. Port Rules and Regulations
2.1 Navigation and Entry Requirements
– Vessels entering Iwakuni Port must comply with the Japanese Port Regulations Act and the Maritime Traffic Safety Act.
– Mandatory pre-arrival notification via the Electronic Port Clearance System (e-Port) at least 24 hours before arrival.
– Vessels carrying hazardous materials must submit additional documentation under the Fire Service Act .
2.2 Berthing and Mooring
– Berth allocation is managed by the Iwakuni Port Authority. Prior approval is required for vessels exceeding 200 meters LOA or 50,000 DWT.
– Mooring must adhere to the “Technical Standards for Port Facilities” by MLIT.
2.3 Cargo Operations
– Hazardous cargo handling follows the ISPS Code and Japan’s Industrial Safety and Health Act .
– Tankers must comply with the Petroleum Bulk Storage Safety Regulations.
3. Compliance and Enforcement
3.1 Inspections
– Regular inspections by the Japan Coast Guard (JCG) and MLIT for SOLAS, MARPOL, and ISPS compliance.
– Non-compliance may result in detention under the Ship Safety Act.
3.2 Penalties
– Fines up to JPY 1 million for violations of the Port Regulations Act.
– Criminal charges for severe breaches under the Pollution Control at Sea Act .
4. Safety Measures
4.1 Emergency Procedures
– Oil spill response plans must align with the Japan Oil Spill Preparedness and Response Guidelines.
– Mandatory drills for crew under the ISM Code.
4.2 Crew Safety
– Personal Protective Equipment (PPE) is mandatory for hazardous operations per the Industrial Safety and Health Act.
– Port medical facilities are available at Iwakuni City Hospital (designated for maritime emergencies).
5. Environmental Regulations
– Strict adherence to MARPOL Annex VI for emissions within the port’s Emission Control Area (ECA).
– Waste disposal must follow the Waste Management and Public Cleansing Act.
6. References
– Ministry of Land, Infrastructure, Transport and Tourism (MLIT): www.mlit.go.jp
– Japan Coast Guard: www.kaiho.mlit.go.jp
– Iwakuni Port Authority: Official notices via MLIT Yamaguchi Office (no public contact details available).
7. Vessel Traffic Services (VTS)
– Iwakuni Port operates a VTS system monitored by the Japan Coast Guard (JCG) to ensure safe navigation within port limits.
– Vessels over 300 GT must maintain continuous VHF radio contact on Channel 16 (distress) and Channel 12 (port operations).
– Speed limits: 10 knots within the inner harbor and 6 knots near berths, as per the Maritime Traffic Safety Act.
8. Anchorage and Pilotage
– Designated anchorage areas are marked in nautical charts (JCG Chart No. 1112). Unauthorized anchoring is prohibited.
– Compulsory pilotage for vessels over 10,000 GT or those carrying hazardous cargo (Iwakuni Port Pilots’ Association).
– Pilot boarding area: 33°56.5’N, 132°16.0’E (approx. 2 NM southeast of the port entrance).
9. Port Security
– ISPS Code compliance is enforced by JCG. Security Level 1 is standard; higher levels require additional measures.
– Restricted zones include petroleum terminals and military facilities (joint-use area with US Marine Corps).
– Crew and visitors must present valid ID for port entry; armed guards are prohibited unless authorized by JCG.
10. Port Fees and Charges
– Berth fees: Calculated based on LOA and tonnage (MLIT Fee Schedule No. 17-3).
– Pilotage fees: JPY 150,000–450,000 depending on vessel size (Iwakuni Port Pilots’ Association tariff).
– Waste disposal: JPY 20,000 per ton for hazardous waste (Waste Management Act).
11. Weather and Tidal Restrictions
– Port closure during typhoons (winds > 25 m/s) or tsunami warnings (issued by JMA).
– Maximum permissible wave height: 2.5 meters for cargo operations (MLIT Operational Guidelines).
– Tide-dependent access: Vessels with drafts > 12 meters must consult tide tables (JCG Hydrographic Dept.).
12. Crew Welfare and Shore Leave
– Shore leave permitted under JCG supervision; visa requirements apply for non-Japanese crew.
– Nearest seafarer centers: Iwakuni Seamen’s Club (3 km from port) provides lodging and transport.
– Prohibited items: Narcotics, firearms, and invasive species (Plant Protection Act).
13. Pollution Control
– Zero discharge policy for oil, chemicals, or sewage within 12 NM of the port (MARPOL Annexes I, II, and IV).
– Mandatory use of SOPEP (Shipboard Oil Pollution Emergency Plan) equipment during bunkering.
– Air pollution control: Sulfur cap of 0.1% for fuel in port (Air Pollution Control Act).
14. Incident Reporting
– Immediate notification to JCG (Iwakuni Station) for spills, collisions, or injuries (Maritime Accident Inquiry Act).
– Written report within 24 hours using MLIT Form No. P-19 for pollution incidents.
– Penalties for delayed reporting: Up to JPY 500,000 (Pollution Control at Sea Act).
15. Dangerous Goods Handling
– All hazardous materials must be declared in advance using the IMDG Code classification system.
– Special berthing requirements apply for vessels carrying Class 1 (explosives) or Class 7 (radioactive) materials.
– Mandatory safety zone of 50 meters around vessels handling hazardous cargo during operations.
16. Bunkering Operations
– Prior notification required 6 hours before bunkering (quantity > 100 tons).
– Double-hulled vessels only for oil bunkering (MARPOL Annex I Regulation 21 compliance).
– Continuous fire watch and oil spill containment equipment required during operations.
17. Port State Control Inspections
– Tokyo MOU inspection regime applies with priority given to high-risk vessels.
– Common deficiencies: Fire safety systems, life-saving appliances, and pollution prevention equipment.
– Detention rate: 7.2% (2023 JCG statistics for Iwakuni Port).
18. Small Craft Regulations
– Pleasure craft > 3 meters require registration with Yamaguchi Prefecture Maritime Office.
– Speed limit: 5 knots within 200 meters of commercial vessels.
– Prohibited areas: Within 100 meters of petroleum terminals or naval facilities.
19. Ice and Cold Weather Operations
– Anti-icing measures required for deck equipment when temperatures fall below -5°C.
– Special mooring line requirements during winter storms (minimum breaking load +50% normal).
– Port operations may be suspended during heavy snowfall (>30cm accumulation).
20. Customs and Immigration Procedures
– 24/7 customs clearance available for pre-registered vessels.
– Crew changes require 72-hour advance notice to Immigration Bureau.
– Prohibited imports: Certain agricultural products, counterfeit goods, and cultural artifacts.
21. Salvage and Wreck Removal
– Mandatory wreck reporting within 2 hours of incident (Maritime Search and Rescue Act).
– Approved salvage companies must be contracted for major operations (JCG-approved list).
– Financial guarantee required for vessels > 500 GT to cover potential wreck removal costs.
22. Night Navigation
– Special permission required for movements between sunset and sunrise.
– Additional lighting requirements: All working deck areas must be illuminated.
– Tug escort mandatory for vessels > 150 meters LOA during night movements.
23. Diving Operations
– Commercial diving requires 48-hour notice to Port Authority and JCG.
– Safety boat with VHF required for all underwater operations.
– Prohibited during cargo operations or within active navigation channels.
24. Naval Coordination
– Separate clearance required for areas adjacent to US Marine Corps facilities.
– No photography permitted of military installations.
– VHF Channel 14 reserved for naval communications (civilian use prohibited).
25. Port Communication Protocols
– Primary VHF working channel: Channel 12 (Iwakuni Port Operations)
– Mandatory radio check required before entering port limits
– Emergency communications must use designated priority channels (16 for distress, 13 for bridge-to-bridge)
26. Special Cargo Handling
– Oversized cargo operations require 72-hour advance notice
– Heavy lift operations (>100 tons) must submit engineering calculations for crane loading
– Special permits required for transport of project cargo exceeding 5 meters in width
27. Port Infrastructure Specifications
– Maximum air draft: 50 meters (restricted by Iwakuni Bridge clearance)
– Channel depth: Maintained at 14 meters (dredged annually)
– Turning basin diameter: 500 meters (south of main commercial berths)
28. Vessel Repair Services
– Limited dry docking available (max 20,000 DWT)
– Emergency repair services must be arranged through port authority
– Hot work permits require JCG inspection prior to commencement
29. Fresh Water Supply
– Potable water available at all major berths (ISO 14001 certified treatment)
– Minimum 4-hour notice required for large volume requests (>100 tons)
– Strict prohibition against connecting to municipal supply without metering
30. Waste Reception Facilities
– MARPOL-compliant reception facilities for all waste categories
– Mandatory garbage segregation (5 categories) before disposal
– Hazardous waste must be accompanied by waste tracking manifests
31. Port Working Hours
– Standard operations: 0800-1700 JST (Overtime requires 24-hour notice)
– Holiday surcharge: 150% normal rates apply on national holidays
– Continuous operations available for priority vessels with approval
32. Navigational Aids
– 24 lighted buoys marking main channel (IALA Region A system)
– Differential GPS available with 1-meter accuracy in port area
– Real-time tide gauges at entrance and turning basin
33. Ship Chandler Services
– Approved vendors list maintained by port authority
– Cashless provisioning system available for registered vessels
– Strict quarantine controls on fresh food provisions
34. Port Authority Contact Protocol
– Emergency contact through JCG Iwakuni Station (VHF Ch16)
– Routine inquiries must use designated email portal (via MLIT website)
– No direct phone inquiries accepted without prior arrangement
35. Vessel Manning Requirements
– Minimum safe manning certificate must be valid and displayed per SOLAS requirements
– Bridge watchkeeping teams must maintain 24/7 coverage while in port
– Engine room staff must conduct hourly rounds during cargo operations
36. Mooring Line Standards
– Minimum 8 mooring lines required for vessels >150m LOA
– Synthetic lines must have fire-resistant certification for tanker berths
– Daily inspection and adjustment of lines mandatory during cargo operations
37. Gangway Safety
– Certified safety net required under all gangways
– Maximum allowable angle: 30 degrees from horizontal
– Night illumination and anti-slip measures mandatory
38. Hot Work Procedures
– Permit-to-work system enforced by JCG inspectors
– Fire watch must be maintained for 4 hours post hot work
– Prohibited within 50m of fuel transfer operations
39. Ballast Water Management
– Mandatory compliance with Japan’s BWM regulations
– Exchange must occur >200nm from coast in waters >200m depth
– Treatment systems must be type-approved by ClassNK or equivalent
40. Port Emergency Response
– Tier 1 oil spill response capability maintained on-site
– Mutual aid agreements with neighboring ports for major incidents
– Quarterly emergency drills required for port facility personnel
41. Dangerous Cargo Documentation
– SDS sheets must be available in Japanese and English
– Emergency procedures posted in cargo handling areas
– Manifest verification by JCG prior to operations
42. Tug Assistance Requirements
– Minimum 2 tugs for vessels >50,000 DWT
– Bollard pull capacity must exceed 10% of vessel’s displacement
– Standby tugs required during LNG carrier operations
43. Port Entry Restrictions
– Vessels with outstanding Port State Control deficiencies may be denied entry
– Prior clearance required for vessels with recent hull damage
– Special permission needed for nuclear-powered vessels
44. Security Drills
– ISPS security drills required quarterly for all vessels
– Port facility security officer must certify drill completion
– Mandatory participation in annual port-wide security exercise
45. Vessel Speed Restrictions
– Maximum speed 8 knots within port approach channel
– 5 knot speed limit within 500m of any moored vessel
– Zero wake speed in all inner harbor areas
46. Bunkering Safety Procedures
– Pre-transfer conference mandatory with port authority representative
– Double valve isolation required on all bunker connections
– Continuous VOC monitoring during fuel transfer operations
47. Port Lighting Requirements
– Minimum 50 lux illumination on all working decks
– Navigation lights must remain on throughout port stay
– Emergency lighting must be tested prior to cargo operations
48. Cargo Securing Standards
– IMO CSS Code compliance mandatory for all cargo units
– Daily inspection of lashings required during port stay
– Special permits needed for unconventional securing methods
49. Radioactive Material Handling
– IAEA transport regulations strictly enforced
– 24-hour advance notice for Class 7 materials
– Dedicated security escort required during transfers
50. Port Entry/Exit Reporting
– Final departure report required 1 hour before sailing
– ETA updates mandatory every 6 hours while approaching
– Automated identification system (AIS) must remain active
51. Cold Ironing Facilities
– Shore power available at Berths 3-5 (6.6kV/60Hz)
– Minimum 48-hour notice required for connection
– Certified marine electricians must supervise hook-up
52. Dredging Operations
– Prior environmental assessment required
– Real-time turbidity monitoring during operations
– No dredging permitted during peak tidal flows
53. Port Community System
– Mandatory electronic data interchange for manifests
– Web-based clearance platform for all documentation
– 24/7 technical support available for system issues
54. Marine Wildlife Protection
– Speed reduction zones during migratory seasons
– Prohibited to discharge any food waste within 3nm
– Mandatory reporting of marine mammal sightings
55. Vessel Sanitation Controls
– Mandatory pre-entry sanitation inspection for vessels from high-risk areas
– Vector control measures required during tropical seasons
– Medical waste must be incinerated at approved facilities only
56. Heavy Weather Precautions
– Tropical cyclone contingency plan activation at Signal No. 3
– Additional mooring lines required when winds exceed 25 knots
– Cargo operations suspended when gusts exceed 40 knots
57. Port Access Control
– Biometric identification for all port workers
– Vehicle escorts required for non-port registered trucks
– AIS transponders mandatory for all port service vessels
58. Cargo Documentation
– Electronic bills of lading must be blockchain-verified
– Hazardous cargo manifests require triple verification
– Customs pre-clearance available for approved operators
59. Port Laytime Calculations
– Standard laytime commences 6 hours after berthing
– Weather working days exclude periods with >30mm rainfall
– Demurrage rates adjusted quarterly based on MLIT index
60. Navigation Equipment Requirements
– Dual ECDIS systems mandatory for vessels >10,000 GT
– Radar reflectors required for non-metallic small craft
– AIS-SART devices mandatory for all port workboats
61. Port Environmental Standards
– Continuous air quality monitoring at all berths
– Zero liquid discharge policy for all terminal operations
– Carbon footprint reporting required for major vessels
62. Vessel Maintenance Rules
– Underwater cleaning prohibited without prior approval
– Hull painting operations require containment systems
– Engine repairs must use EPA-certified parts only
63. Port Cybersecurity Measures
– Mandatory network segmentation for ship-to-shore systems
– Two-factor authentication for all port operational networks
– Monthly vulnerability scans required for connected vessels
64. Emergency Medical Services
– Port clinic staffed 24/7 with trauma specialists
– Hyperbaric chamber available for diving emergencies
– Designated medevac landing zone at North Terminal




