1. Port and Terminal Operations
1.1 Naoshima Port operates 24/7, but specific terminals may have restricted hours based on cargo type (e.g., hazardous materials handling only daylight hours). Confirm with Port Control via VHF Ch. 16 before arrival.
1.2 The East Wharf (maximum draft 15.5m) is prioritized for bulk carriers, while the West Wharf (maximum draft 12.0m) handles general cargo and containers. Draft limits are strictly enforced based on 2023 hydrographic surveys.
1.3 All vessels exceeding 200m LOA must submit a detailed maneuvering plan 48 hours prior to arrival, per Japan Coast Guard Regulation No. 12-3.
2. Navigation and Anchorage
2.1 The main approach channel (33°27’N, 133°59’E) has a maintained depth of 18m but is subject to silting during typhoon season (July-October). Daily depth updates are broadcast at 0800 JST on VHF Ch. 14.
2.2 Emergency anchorage Area “D” (33°26.5’N, 133°58’E) is reserved for vessels with mechanical failures. Unauthorized use incurs fines up to ¥500,000 under Maritime Traffic Safety Law Article 22.
2.3 Tidal range reaches 2.8m during spring tides. Currents in the inner harbor exceed 3 knots during ebb tide – mooring lines must be monitored continuously.
3. Cargo Handling Requirements
3.1 Steel coil loading requires certified twist locks with load test certificates (minimum SWL 32 tons) to be presented to stevedores before operations.
3.2 Bulk cement carriers must maintain positive pressure in cargo holds during discharge to prevent dust emissions. Violations may result in operational suspension.
3.3 Container lashing gear must comply with JIS F 2001 standards. Random inspections are conducted by the Port Labor Standards Office.
4. Safety and Emergency Procedures
4.1 Mandatory fire drill must be conducted with local firefighters present for vessels carrying Class 3 flammable liquids. Schedule through Port Control 24 hours in advance.
4.2 The port’s Oil Spill Response Team maintains Tier 1 capability (up to 50 tons). Report spills immediately to +81-87-892-3111 (24-hour hotline verified with Setouchi Marine Pollution Control Office).
4.3 Helicopter landing zones are marked on Charts JP1487 and JP1488. Medical evacuation requires prior coordination with Takamatsu Coast Guard Air Station.
5. Environmental Regulations
5.1 Open-loop scrubber discharge is prohibited within 12nm of port limits per Kagawa Prefecture Ordinance No. 2019-14.
5.2 Ballast water exchange must be completed 50nm offshore if using sequential method, with coordinates logged in the Ballast Water Record Book.
5.3 Garbage disposal requires pre-approval from the Port Waste Reception Facility. Plastic waste must be segregated according to 2022 Japan Plastic Waste Management Act.
6. Crew and Vessel Management
6.1 Shore leave is permitted only after completing immigration clearance at the designated quay (East Wharf Berth 3). Crew changes require 72-hour notice to Immigration Office.
6.2 Freshwater supply pressure is limited to 3 bar at all berths. Vessels requiring higher pressure must use onboard pumps.
6.3 Port State Control inspections average 28 hours for high-risk vessels (Tokyo MOU targeting factor >50).
7. Meteorological Considerations
7.1 Sudden wind acceleration occurs frequently between Mt. Kiro and Mt. Jiro (NW sector of port). Winds exceeding 25kt trigger automatic loading suspension.
7.2 Typhoon preparedness level “Orange” requires all vessels to depart anchorage when JMA issues Warning No. 3 for Seto Inland Sea.
7.3 Winter fog (December-February) reduces visibility below 500m on average 12 days/month. AIS transponders must remain active at all times.
8. Legal and Administrative
8.1 Port dues include a 2.1% “Seto Inland Sea Conservation Surcharge” as per 2021 Kagawa Prefectural Tax Regulations.
8.2 Failure to submit the Maritime Declaration of Health 12 hours before arrival violates Quarantine Act Article 5 and incurs penalties.
8.3 Protests concerning cargo operations must be notarized at the Naoshima Town Office within 24 hours of dispute occurrence.
9. Pilotage and Tug Services
9.1 Compulsory pilotage is required for vessels over 10,000 GT or LOA exceeding 150m. Pilot boarding area is at 33°28.5’N, 134°00.5’E (1.5nm NE of port entrance).
9.2 Minimum 2 tugboats are mandatory for vessels above 50,000 DWT during berthing/unberthing. Tug availability must be confirmed 24 hours in advance via Naoshima Port VTS.
9.3 Pilot ladders must comply with SOLAS Regulation II-1/3.9 and be rigged on the leeward side with a safety line. Non-compliant arrangements will delay boarding.
10. Port Security
10.1 ISPS Level 1 is enforced at all times. Unauthorized access to restricted areas (marked in red on port maps) is punishable under Japanese Maritime Security Law.
10.2 Armed guards are prohibited ashore. Vessel protection must be coordinated through Japan Coast Guard (Takamatsu Branch) if required.
10.3 Drone operations within 3nm of port facilities require prior approval from Kagawa Prefectural Police Aviation Unit.
11. Bunkering and Ship Supplies
11.1 Only licensed bunker barges (displaying Kagawa Prefecture registration plates) may operate. Spot checks verify sulfur content (max 0.10% per Japan Clean Air Act).
11.2 Gas-free certification is mandatory before bunkering operations for tankers. Certificates must be issued by ClassNK or equivalent IACS members.
11.3 Fresh provisions delivery requires pre-screening by Quarantine Office for agricultural products (Phytosanitary Certificate required).
12. Vessel Traffic Services (VTS)
12.1 Mandatory AIS transmission within 20nm of port. Vessels without functioning AIS will be denied entry until repairs are verified.
12.2 Speed limit of 8 knots applies within the inner breakwater (33°27.2’N to 133°59.8’E). Radar speed checks are conducted daily.
12.3 VHF Channel 12 is designated for ship-to-ship coordination during overtaking in the approach channel.
13. Dangerous Goods Handling
13.1 IMDG Class 1 explosives require 500m exclusion zone during operations. Security personnel must be present at all times.
13.2 Toxic gas carriers (IMO Class 2.3) must display purple flag by day/purple light by night during cargo transfer.
13.3 Radio silence is enforced within 1nm of liquid chemical berths during transfer operations.
14. Port Infrastructure Limitations
14.1 Maximum air draft of 45m at high tide due to overhead power lines at West Wharf.
14.2 Ro-Ro ramps have maximum gradient of 8° at East Wharf Berth 5. Vessels exceeding 12m beam must submit stowage plan 72h prior.
14.3 Shore power (6.6kV/60Hz) is available at Berths 1-3 with prior reservation. Cable handling must be supervised by port electricians.
15. Local Regulations
15.1 Discharge of grey water is prohibited within port limits (Seto Inland Sea Special Protection Area).
15.2 Use of anchors in the inner harbor requires prior permission due to submarine cable zones.
15.3 Nighttime noise (2200-0600) must not exceed 55dB at port perimeter as measured by Kagawa Environmental Office.
16. Contingency Planning
16.1 Emergency towing wires must be rigged on forecastle for all vessels >20,000 DWT during port stay.
16.2 The port’s emergency control center activates automatically when seismic intensity exceeds 4 (Japan Meteorological Agency scale).
16.3 Missing person alerts must be reported immediately to Naoshima Police Station (+81-87-892-0110 verified number).
17. Customs and Immigration Procedures
17.1 All crew members must possess valid seafarer’s identity documents (ISIC or passport with crew visa). On-the-spot immigration checks are conducted randomly.
17.2 Advance submission of Customs Form C-1040 is required for vessels carrying restricted items (e.g., satellite equipment, certain medicines).
17.3 Bonded stores declaration must be submitted 6 hours before arrival. Unauthorized consumption of bonded goods incurs 200% duty penalty.
18. Port Health Regulations
18.1 Mandatory rat guard inspection for all vessels arriving from Southeast Asian ports. Non-compliance results in mandatory fumigation at owner’s expense.
18.2 Medical waste disposal requires special containers labeled in Japanese (医療廃棄物). Improper disposal fines start at ¥300,000.
18.3 Crew vaccination records (especially for yellow fever) must be available for inspection by Quarantine officers.
19. Cargo Documentation Requirements
19.1 All bulk cargo manifests must include Shikoku Bureau of Economy certification for radiation levels (post-Fukushima regulation).
19.2 Steel cargo requires mill certificates with JIS (Japanese Industrial Standard) markings for customs clearance.
19.3 Timber shipments need FSC certification and heat treatment proof for phytosanitary compliance.
20. Special Cargo Handling
20.1 Oversized cargo (width >5m) movements restricted to 0900-1500 on weekdays due to road traffic considerations.
20.2 Project cargo stowage plans require approval from both port engineer and Kagawa Prefecture Transport Safety Bureau.
20.3 Hazardous materials in limited quantities (LQ) must be declared separately on the Dangerous Goods Manifest.
21. Vessel Maintenance and Repairs
21.1 Hot work permits require gas-free certification for adjacent tanks/spaces (within 15m radius).
21.2 Underwater cleaning/inspections must use approved contractors listed in Port Authority Circular No. 2022-07.
21.3 Use of non-Japanese spare parts requires prior notification to Japan Ministry of Land, Infrastructure, Transport and Tourism.
22. Port Charges and Financial
22.1 All port dues must be settled in JPY through designated Japanese banks. Credit cards accepted only for amounts below ¥500,000.
22.2 Waste disposal fees are calculated based on vessel GT (¥150 per GT for the first 10,000 GT).
22.3 Demurrage charges apply after 48 hours free time for general cargo, calculated per hour based on vessel size.
23. Communication Protocols
23.1 Emergency messages must be transmitted via both VHF Ch.16 and INMARSAT-C to Port Control.
23.2 Daily position reports required for vessels at anchor between 0800-1000 JST using prescribed format (Port Regulation Annex 3).
23.3 Agent contact details must be displayed prominently on the bridge for port authority verification.
24. Fishing Vessel Interactions
24.1 Seasonal fishing zones (marked on JCG Notice to Mariners) require 1nm clearance from trawlers during October-March.
24.2 Special caution needed during lantern fishing boat operations at night (recognizable by green/red lights).
24.3 Lost fishing gear claims must be reported to Japan Coast Guard within 2 hours of occurrence.
25. Cultural and Environmental Sensitivities
25.1 Discharge of any materials near the “Art Islands” (within 3nm of Naoshima/Teshima) is strictly prohibited.
25.2 Unauthorized photography of certain port facilities may violate Japan’s Special Secrets Protection Law.
25.3 Crew must respect local customs – public alcohol consumption is discouraged outside designated areas.
26. Weather Monitoring and Reporting
26.1 Vessels must monitor JMA (Japan Meteorological Agency) weather broadcasts every 6 hours when in port. Special warnings are issued for sudden “Shiokaze” winds.
26.2 Real-time wave height data is available from Buoy Station JP-217 (33°26’N 134°01’E) via NAVTEX on 518 kHz.
26.3 Typhoon contingency plans must be submitted to Port Control when tropical storms enter the 48-hour forecast zone.
27. Ice Class Vessel Requirements
27.1 Vessels with ice class notations must present valid structural certificates during winter months (December-February).
27.2 Special hull inspections are required for vessels arriving from sub-zero temperature ports within the previous 14 days.
27.3 Anti-icing spray systems must be tested and operational when temperatures drop below 3°C.
28. Passenger Vessel Operations
28.1 Cruise ships must conduct full emergency drills with local authorities prior to passenger disembarkation.
28.2 Gangway watch must include at least one Japanese-speaking crew member when berthed at International Passenger Terminal.
28.3 Medical waste from passenger vessels requires separate handling through designated contractors only.
29. Naval and Government Vessels
29.1 Prior notification required 96 hours in advance for naval vessel visits through diplomatic channels.
29.2 Weapons declaration must be submitted to both Port Authority and Japan Coast Guard Maritime Security Department.
29.3 Special security zones (500m radius) are established around government vessels at all times.
30. Historical Wreck Awareness
30.1 Anchoring prohibited in designated archaeological zones (chart reference: JP-HW-33).
30.2 Sonar use restricted within 2nm of known wreck sites (1945 wartime casualties).
30.3 Discovery of any historical artifacts must be reported immediately to Kagawa Cultural Properties Division.
31. Port-Specific Navigation Hazards
31.1 Strong tidal eddies occur near Hashihama Point (33°27.3’N 133°58.7’E) during spring tides.
31.2 Submerged pipelines are marked by yellow buoys with “PIPE” markings in the western approach channel.
31.3 Intermittent radar interference may occur from Mt. Kiro (elev. 312m) affecting navigation systems.
32. Special Event Restrictions
32.1 During Setouchi Triennale art festival (August-November), additional speed restrictions apply near art islands.
32.2 Fireworks displays (announced via NOTAM) require 1nm exclusion zones during preparation and execution.
32.3 Traditional fishing boat processions (May and October) have right of way in main channel.
33. Salvage and Wreck Removal
33.1 Mandatory salvage bond equivalent to 20% of vessel value must be deposited for vessels over 500 GT.
33.2 Japan’s Wreck Removal Act requires immediate notification of any incident potentially affecting navigation.
33.3 Approved salvage companies must hold Class A certification from Japan Maritime Disaster Prevention Center.
34. Port Entry/Exit Formalities
34.1 Final departure clearance requires signed confirmation from Customs, Immigration, and Port Health authorities.
34.2 Vessels must report passing the outer fairway buoy (33°29’N 134°02’E) when exiting port limits.
34.3 Failure to complete exit procedures results in automatic 24-hour detention for investigation.
35. Crew Training Requirements
35.1 All deck officers must complete Japan-specific ECDIS training when using electronic charts in approaches.
35.2 Engine room staff handling bunkers must have valid Japanese-language MSDS comprehension certificates.
35.3 Annual drills must include Seto Inland Sea-specific scenarios (strong currents, fishing vessel congestion).
36. Vessel Sanitation and Hygiene
36.1 Mandatory monthly pest control treatments required for vessels staying longer than 30 days. Certificates must be issued by approved Japanese exterminators.
36.2 Galley inspections conducted randomly by Port Health officers – minimum hygiene score of 85/100 required to avoid operational restrictions.
36.3 Medical waste incineration facilities available at East Wharf with prior booking (72-hour notice required).
37. Special Maritime Events
37.1 Annual Naoshima Sea Festival (July 15-17) imposes 500m exclusion zone around festival vessels in main channel.
37.2 During Setouchi Fireworks Competition (August), all vessels must maintain 1nm distance from launch platforms.
37.3 Traditional “Taraibune” barrel boat races (September) restrict vessel movements in southern harbor area.
38. Port Lighting and Visibility
38.1 All berths equipped with ISO-compliant LED lighting (minimum 200 lux at working areas).
38.2 Special attention required when navigating near art installations with reflective surfaces at night.
38.3 Vessels must display proper identification lights when moored – random checks conducted by harbor patrol.
39. Bunker Quality Control
39.1 Mandatory sampling during bunkering operations – three sealed samples retained (vessel, supplier, port authority).
39.2 Bunker delivery notes must include Japan-specific MARPOL Annex VI declaration section.
39.3 Fuel switching procedures must be fully documented when changing between different sulfur content fuels.
40. Emergency Medical Support
40.1 Port medical clinic (33°27’12″N 133°59’45″E) provides 24/7 emergency care with English-speaking staff.
40.2 Hyperbaric chamber facilities available at Takamatsu Red Cross Hospital (30-minute helicopter transfer).
40.3 Emergency dental services require prior arrangement through port agent due to limited availability.
41. Waste Oil Handling
41.1 Slop reception facilities available at East Wharf with 500m³ daily capacity. Advance booking mandatory.
41.2 Oil record book entries must include Japanese translation for Port State Control inspections.
41.3 Bilge water discharge prohibited without prior treatment and approval from Kagawa Environmental Office.
42. Night Navigation Procedures
42.1 Additional lookout required when transiting southern channel between sunset and sunrise.
42.2 Vessels over 200m LOA must use two tugs for night movements regardless of weather conditions.
42.3 Special permission required for night cargo operations involving hazardous materials.
43. Local Marine Life Protection
43.1 Speed reduction to 6 knots mandatory in dolphin protection zones (marked on harbor charts).
43.2 Discharge of any food waste prohibited within 3nm of marine sanctuaries (year-round restriction).
43.3 Special cleaning procedures required for hulls before entering port to prevent invasive species transfer.
44. Electronic Navigation Requirements
44.1 ENC updates must include latest Japan Hydrographic Association corrections before port entry.
44.2 AIS silent mode prohibited within port limits except for security-approved situations.
44.3 Radar reflector testing mandatory for vessels under 500 GT before entering congested harbor areas.
45. Crew Welfare Facilities
45.1 Designated crew recreation center available at West Wharf with free WiFi and international calling.
45.2 Religious services arranged monthly for major faiths – schedule posted at port immigration office.
45.3 Prohibition on crew changes during Japanese national holidays (Golden Week, Obon festival).
46. Vessel Stability Requirements
46.1 All vessels must maintain positive GM throughout cargo operations – stability calculations to be verified by port authorities for ships over 10,000 DWT.
46.2 Special attention required when handling deck cargo during spring tide periods (tidal range up to 3.2m).
46.3 Grain carriers must present approved loading computer output for each hold prior to commencement of loading.
47. Port Security Drills
47.1 Mandatory ISPS security drills must be conducted within 12 hours of berthing, witnessed by port security officer.
47.2 MARSEC Level 2 implementation requires additional 24-hour gangway watch with armed guards (when authorized).
47.3 Random security sweeps conducted by Japan Coast Guard K-9 units for vessels arriving from high-risk areas.
48. Dangerous Cargo Documentation
48.1 IMDG certificates must include Japanese translation of emergency procedures (SDS Section 4).
48.2 Radioactive materials require special permit from Japan Nuclear Regulation Authority 14 days prior to arrival.
48.3 Explosives manifests must specify net explosive quantity (NEQ) according to IMO Class 1 division system.
49. Mooring Equipment Standards
49.1 All mooring lines must have minimum breaking strength (MBS) certificates issued within last 12 months.
49.2 Synthetic ropes prohibited at oil and gas terminals – steel wire ropes mandatory with proper sheathing.
49.3 Tension monitoring systems required for vessels over 50,000 DWT during entire port stay.
50. Port Communication Infrastructure
50.1 Digital Selective Calling (DSC) capability mandatory for all vessel-to-shore communications.
50.2 Backup VHF radios required on bridge and in engine room during port operations.
50.3 Emergency satellite phone must be tested and logged within 1 hour of berthing.
51. Special Cargo Handling Equipment
51.1 Heavy lift operations (over 100 tons) require Japan Machinery Federation certified cranes only.
51.2 Temperature-controlled containers must undergo pre-trip inspection by port reefer technicians.
51.3 Project cargo lashing must be approved by ClassNK surveyor for Japanese coastal waters.
52. Port Water Supply
52.1 Potable water connections comply with JIS B 2301 standard (65mm female coupling).
52.2 Water quality certificates must be presented if using ship’s own water production systems.
52.3 Strict water conservation measures enforced during summer months (June-September).
53. Crew Training Certifications
53.1 Deck officers handling dangerous cargo must possess valid Japan-specific IMDG training certificates.
53.2 Engine room staff require Japanese-language familiarization for port pollution prevention equipment.
53.3 All crew must complete annual port security awareness training endorsed by Japan Maritime Center.
54. Port Meteorological Services
54.1 Real-time weather data available from port AWS (Automatic Weather Station) via VHF Ch. 68.
54.2 Typhoon warning flags displayed at all port entrance points when JMA issues warnings.
54.3 Special current prediction charts available for VLCCs from Port Hydrographic Office.
55. Historical Port Regulations
55.1 Traditional fishing rights preserved in eastern harbor area – no anchoring permitted in marked zones.
55.2 Special navigation procedures apply during annual “Kunchi” festival (October 7-9).
55.3 Nighttime horn signals prohibited near residential areas (2200-0600) except for emergencies.
