1. Port Authority and Jurisdiction
Minamata Port is administered by Kumamoto Prefectural Government under the Port and Harbor Act (Japan). The port falls under the jurisdiction of the Ministry of Land, Infrastructure, Transport and Tourism (MLIT) Kyushu Regional Development Bureau.
2. Legal Framework
– Port Regulations Act (Act No. 174 of 1948)
– Marine Pollution Prevention Law (Act No. 136 of 1970)
– Ship Safety Act (Act No. 11 of 1933)
– Customs Act (Act No. 61 of 1954)
– Immigration Control and Refugee Recognition Act (Act No. 319 of 1951)
3. Vessel Entry Requirements
– 24-hour advance notice to Minamata Port Control via VHF Ch.16 or through Kumamoto Prefecture Port Office
– Valid certificates: IOPP, ISPP, ISM, Class Certificate
– Crew list with passport/CDC copies
– Pre-arrival quarantine declaration (via e-Arrival system)
4. Navigation Rules
– Speed limit: 8 knots within port limits
– Daylight navigation preferred (restricted night operations require pilotage)
– Mandatory AIS transmission within 3nm of port entrance
– Prohibited areas marked by buoys at 32°12’30″N 130°23’45″E (industrial zone)
5. Berthing Regulations
– Maximum LOA: 190m (commercial berths), 50m (fishing wharves)
– Air draft restriction: 28m (tide-dependent)
– Mooring lines: Minimum 8 lines (4 head, 4 stern) for vessels >5,000GT
– Gangway safety net mandatory when deployed
6. Dangerous Cargo Handling
– Class 1 explosives: Prohibited
– Class 3-9 hazardous materials: Requires 12-hour pre-arrival notice
– IMDG Code compliance mandatory
– Dedicated storage area at 32°12’15″N 130°23’30″E (monitored 24/7)
7. Pollution Prevention
– Zero discharge policy for all ship-generated waste
– Oily water separator use mandatory (15ppm alarm testing required)
– Garbage disposal through licensed contractors only
– Ballast water exchange records subject to inspection
8. Crew Safety Requirements
– Hard hats and life jackets mandatory on deck
– Port-side enclosed space entry requires port authority approval
– Hot work permits issued only after gas-free certification
– Emergency muster stations clearly marked in English/Japanese
9. Port State Control
– Tokyo MOU inspection regime applies
– Priority inspection criteria: Age >15 years, high-risk flags, previous deficiencies
– Common deficiencies: Fire damper malfunctions, EPIRB battery expiry
10. Enforcement Measures
– Fine schedule (per Port Regulations Act Article 56):
– Illegal discharge: ¥3,000,000 maximum
– Safety violation: ¥500,000-¥1,000,000
– Documentation fraud: ¥2,000,000
– Vessel detention authority under Article 42 of Ship Safety Act
11. Emergency Procedures
– Port emergency contact: VHF Ch.16/12 (primary), Ch.10 (secondary)
– Oil spill response equipment stationed at 32°12’20″N 130°23’40″E
– Hospital with decompression chamber: Minamata City General Hospital (3km from port)
12. Cargo Operations Regulations
– Maximum cargo handling rate: 500 MT/hour (bulk), 30 containers/hour
– Hazardous cargo segregation: IMDG Class 3-6 must be 50m from Class 1/2/7
– Grain operations: Dust suppression system mandatory
– Log cargo: Anti-slip mats required under stowed timber
13. Port Services
– Pilotage: Compulsory for vessels >10,000 GT or LOA >100m
– Tug availability: 2x 3,200HP ASD tugs (minimum 1 escort tug for tankers)
– Bunkering: Only at designated area (32°12’25″N 130°23’35″E)
– Fresh water supply: 50 tons/hour capacity (advance notice required)
14. Security Measures
– ISPS Code compliance strictly enforced
– Restricted areas: Chemical wharf (ID card + biometric verification)
– Port perimeter patrols: 24/7 with CCTV monitoring
– Unauthorized drone flights prohibited within 1km of port
15. Special Area Restrictions
– No-anchoring zones: Within 200m of submarine cables (marked on port charts)
– Fishing prohibition: 500m radius around liquid cargo terminals
– Diving operations: Requires 48-hour notice and safety boat deployment
16. Weather Restrictions
– Operations suspended when:
– Wind speed exceeds 15m/s (sustained)
– Visibility <500m
- Wave height >2.5m at berths
– Typhoon preparedness: Mandatory double mooring when warning issued
17. Crew Shore Leave
– Immigration clearance: Required for all foreign nationals
– Designated crew change area: Port administration building (24/7 access)
– Prohibited items: Plants, animal products without phytosanitary certificates
18. Port Dues and Fees
– Tonnage dues: ¥32/GT for first 10,000GT, ¥25/GT thereafter
– Waste disposal fee: ¥15,000/base (up to 5m³)
– Pilotage fee: ¥85,000 for vessels 10,000-30,000GT
– Overtime charges: 150% normal rate after 1700 hours
19. Vessel Traffic Management
– VTS coverage: 24/7 monitoring within 5nm radius
– Reporting points:
1. At 10nm from port entrance (position report)
2. Passing 32°10’00″N 130°25’00″E (ETA confirmation)
– Traffic separation scheme: Inbound/outbound lanes marked on nautical charts
20. Port Infrastructure
– Main berths depth:
– Berth 1: -12m CD
– Berth 2: -9m CD
– Oil terminal: -15m CD
– Crane capacity: 2x 50-ton gantry cranes (SWL certified monthly)
– Firefighting system: Foam monitors every 75m at liquid berths
21. Local Ordinances
– Noise restrictions: 55dB(A) max from 2200-0600 hours
– Light pollution: Deck lighting must be shielded upwards
– Wildlife protection: Strict penalties for disturbing migratory birds
22. Ship Repair and Maintenance
– Dry dock availability: 15,000 DWT capacity (advance booking required)
– Hot work permits: Issued after gas-free certification and fire watch deployment
– Underwater cleaning: Approved contractors only (biofouling control measures enforced)
– Waste disposal: Separate collection for hazardous materials (paint chips, asbestos)
23. Ice and Cold Weather Operations
– Winter preparedness: November-March anti-icing measures for mooring lines
– Deck equipment: Mandatory certification of emergency gear cold-weather functionality
– Fuel specifications: Winter-grade marine diesel required below 5°C
24. Port Communication Protocols
– Primary language: Japanese/English (IMO Standard Marine Communication Phrases)
– Emergency channels: VHF Ch.16 (distress), Ch.12 (port operations)
– Digital reporting: Nippon Automated Cargo and Port Consolidated System (NACCS)
25. Anchorage Regulations
– Designated anchorage areas:
1. 32°11’00″N 130°24’00″E (commercial vessels)
2. 32°10’30″N 130°25’30″E (hazardous cargo carriers)
– Holding position: Minimum 0.5nm clearance from other anchored vessels
– Anchor watch: Continuous bridge monitoring when at anchor
26. Small Craft Regulations
– Speed limit: 5 knots within 200m of commercial berths
– Mandatory equipment: VHF radio, navigation lights, life jackets for all persons
– Prohibited areas: 500m exclusion zone around LNG carrier operations
27. Port Health Services
– Medical waste disposal: Incineration facility available (prior arrangement)
– Pest control: Mandatory vessel certification before cargo operations
– Drinking water: Monthly bacteriological testing records required
28. Historical Protection Zones
– Restricted operations: Within 300m of Minamata Disease Memorial (32°13’00″N 130°23’00″E)
– Dredging prohibitions: Cultural heritage survey required near historical sites
– Underwater noise limits: Special provisions during memorial events
29. Fuel Quality Control
– Bunker sampling: Mandatory MARPOL Annex VI fuel samples (retained 12 months)
– Sulphur content: 0.10% max in Emission Control Area
– Fuel changeover procedures: Detailed log required when switching to low-sulphur fuel
30. Port Entry Restrictions
– Vessel age limit: 25 years for oil tankers (additional inspection required)
– Insurance requirements: P&I cover minimum $1 billion for hazardous cargo carriers
– Crew competency: STCW certification verification during inspections
31. Ballast Water Management
– Compliance: Must meet IMO D-2 standard or Japan’s more stringent requirements
– Exchange zones: Prohibited within 12nm of coastline (must use open ocean areas)
– Reporting: Mandatory submission of Ballast Water Record Book within 6 hours of arrival
– Treatment systems: Type-approved equipment only (Japan MLIT certification required)
32. Port Lighting Requirements
– Navigational aids: All vessels must display proper lighting per COLREGs
– Deck lighting: Minimum 50 lux illumination at cargo working areas
– Emergency lighting: Battery-backed systems required for all accommodation ladders
33. Gangway Safety Standards
– Angle: Maximum 30° inclination
– Netting: Must extend 1.8m below entire gangway length
– Watchkeeping: Continuous monitoring when in use (log entries every 30 minutes)
– Load testing: Annual certification required for all gangways
34. Dangerous Goods Documentation
– Required documents:
1. Dangerous Cargo Manifest (4 copies)
2. Emergency response procedures
3. Chemical Safety Data Sheets (Japanese/English)
– Storage: Separate fireproof cabinet for original documents on bridge
35. Port Emergency Equipment
– Life-saving appliances:
– 2 life buoys with self-igniting lights near accommodation ladder
– Throwable rescue device every 50m of berth length
– Spill containment: Boom deployment capability within 30 minutes of notification
36. Vessel Inspection Regime
– Routine inspections:
– Annual safety inspection by Class society
– Quarterly fire equipment checks
– Special inspections:
– After major repairs
– Following any incident/accident in port
37. Mooring Equipment Standards
– Line condition: No more than 10% wear on any mooring line
– Winch brakes: Dynamic load testing every 6 months
– Bollard capacity: Minimum SWL 100 tons (certification plates visible)
38. Port Noise Control Measures
– Engine testing: Limited to 0800-1700 hours (maximum 30 minutes continuous)
– Cargo operations: Rubber padding required for metal-to-metal contacts
– Ventilation systems: Sound baffles mandatory for accommodation areas
39. Navigation in Restricted Visibility
– Speed reduction: Maximum 5 knots when visibility <1,000m
- Radar operation: Mandatory use with parallel indexing
- Pilotage: Automatic requirement when visibility <500m
- Prohibited movements: No berthing/unberthing when visibility <200m
40. Port Waste Reception Facilities
– Types handled:
– Oily waste (capacity 200m³/day)
– Food waste (biodegradable bags required)
– Recyclables (separated into 5 categories)
– Receipts: Waste transfer notes must accompany all disposals
41. Vessel Manning Requirements
– Minimum safe manning: Must match flag state certification at all times
– Watchkeeping: Bridge team must include at least 1 officer proficient in Japanese/English
– Rest periods: Compliance with ILO Maritime Labor Convention work/rest hours
42. Port Access Control
– ID requirements:
– Crew: Valid seafarer’s ID + port issued pass
– Visitors: Pre-approved with photo ID
– Biometric screening: Mandatory for all personnel entering restricted zones
– Vehicle permits: Special authorization required for dock-side access
43. Cargo Securing Standards
– Container ships: CSC plates visible, twist locks properly engaged
– Bulk carriers: Loadicator printout required before departure
– Heavy lifts: Securing plan approved by Class society
– Lashing materials: Certification tags must be current
44. Port Fire Safety Regulations
– Fire patrols: Hourly rounds during cargo operations
– Extinguishers:
– CO2: Monthly weight checks
– Dry powder: Annual discharge test
– Fire mains: Pressure testing every 3 months
45. Tidal and Current Restrictions
– Slack water periods: Preferred for large vessel movements
– Current limits:
– Berthing: Max 1.5 knots
– Unberthing: Max 2 knots
– Tide tables: Official Japan Coast Guard publications required
46. Port Communication Equipment
– Mandatory systems:
– VHF radios (Ch.16/12/10)
– Automatic Identification System (AIS)
– NAVTEX receiver
– Backup power: 24-hour capacity for all communication gear
47. Special Cargo Handling
– Oversized loads:
– Advance notice 72 hours
– Special route survey required
– Temperature controlled:
– Continuous monitoring equipment
– Backup power arrangements
48. Port Sanitation Controls
– Vector control: Mandatory disinfection certificates from last 5 ports
– Medical waste: Incineration only (no shipboard disposal)
– Food safety: Galley inspections during PSC exams
49. Emergency Response Drills
– Required frequency:
– Monthly: Abandon ship, fire
– Quarterly: Oil spill, security
– Documentation: Drill reports kept for 2 years
– Observer participation: Port officials may request to witness drills
50. Port Tariff Structure
– Wharfage fees:
– General cargo: ¥150/ton
– Containers: ¥8,000/TEU
– Service charges:
– Pilotage: ¥85,000-¥220,000 (vessel size dependent)
– Tug assistance: ¥45,000/hour
51. Vessel Dimension Limitations
– Maximum beam: 32m (main commercial berths)
– Air draft clearance: 35m (accounting for tide and antenna height)
– Draft restrictions:
– High tide: +2.5m CD
– Low tide: -1.8m CD
52. Port Laytime Regulations
– Standard laytime: 24 hours for general cargo, 36 hours for bulk
– Demurrage rates:
– Days 1-3: ¥150,000/day
– Days 4+: ¥300,000/day
– Notice of Readiness: Only accepted during port working hours
53. Bunkering Operations
– Safety zone: 25m radius during fuel transfer
– Spill response: Pre-positioned equipment mandatory
– Sampling: Quadruplicate MARPOL samples required
– Documentation: BDN must include Japan-specific declarations
54. Port Labor Regulations
– Stevedore shifts:
– Day: 0800-1700
– Night: 1900-0600 (premium rates apply)
– Union requirements: All cargo ops supervised by Japan Harbor Transport Association
– Rest periods: Mandatory 1-hour break every 6 hours
55. Navigation Aid Maintenance
– Light characteristics: Verified monthly by port authority
– Buoy positions: Differential GPS accuracy required
– Notice to Mariners: Weekly updates issued for temporary changes
56. Vessel Traffic Separation Scheme
– Lane width: 500m inbound/outbound
– Crossing points: Designated areas with reduced speed
– Reporting points:
– North approach: 32°15’00″N 130°20’00″E
– South approach: 32°08’00″N 130°28’00″E
57. Port Meteorological Services
– Weather updates: Hourly broadcasts on VHF Ch.67
– Storm warnings:
– Stage 1: 24-hour notice
– Stage 2: 12-hour notice
– Stage 3: 6-hour notice
– Tide predictions: Real-time monitoring at all berths
58. Special Area Protection
– Sensitive zones:
– Minamata Bay ecological area (no anchoring)
– Historical fishing grounds (speed restrictions)
– Monitoring:
– Continuous water quality sampling
– Wildlife observation logs
59. Port Clearance Procedures
– Required documents:
– Outward clearance form
– Crew list updates
– Waste disposal receipts
– Processing time: Minimum 2 hours before departure
– Final inspection: Port health, customs, immigration
60. Port Authority Contact Protocol
– Emergency: VHF Ch.16 (continuous monitoring)
– Routine communications:
– Port Operations: VHF Ch.12
– Tug Coordination: VHF Ch.10
– Email correspondence: Official maritime domain addresses only
