Port Anchorages Conditions of Jeju Port

Anchorage Name	Location (Coordinates)	Area (km²)	Depth (m)	Bottom Type	Max Vessel DWT	Capacity	Primary Use	Restrictions & Safety Notes	Commercial Notes
Jeju Outer Anchorage	33°30’N 126°30’E (WGS84) Zone 1: 33°30.5’N 126°30.2’E Zone 2: 33°29.8’N 126°29.7’E	5.2 (divided into 2 zones)	20-25 (CD) Dredged to 27m in 2023	Mud/Sand (70%/30%) Shear strength: 50-70 kPa	50,000 (recommended) 60,000 (absolute max)	10 vessels Min spacing: 0.3nm Max LOA: 250m	General cargo/Container ships RO-RO vessels	NE monsoon winds (Oct-Mar): Avg 15kt, gusts to 30kt Typhoon season (Jun-Sep): Mandatory evacuation when warning issued Anchor holding power: Good (3-4m penetration) Prohibited for vessels carrying Class 1 explosives	Pilotage compulsory (>500 GT) 48hr pre-arrival notice via ETA system Bunkering: 24hr notice for >200T Garbage disposal: Daily collection 0800-1000
Jeju Inner Anchorage	33°28’N 126°28’E (WGS84) Sub-areas A/B marked by buoys	2.8 (A:1.5km², B:1.3km²)	15-18 (MLWS) Maintained depth	Clay (PI 15-20) Undrained shear: 40-60 kPa	30,000 (standard) 35,000 (with tugs)	6 vessels Max LOA: 180m Min spacing: 200m	Coastal vessels/Bulk carriers Feeder container ships	Tidal currents: 1.8-2.2kt (spring), 1.2kt (neap) Prohibited for LPG/LNG carriers Daily PSC inspections (0800-1600) Night navigation restrictions: No movement 2200-0500	Bunkering: IFO380 & MGO (SK Shipping) Fresh water: 100T/hr (potable standard) Provisions: Daily delivery 0700-1900 Slop reception: By appointment
Jeju Emergency Anchorage	33°32’N 126°32’E (WGS84) 500m safety radius	3.5 (circular area)	25-30 (MHWS) Natural depth	Rock/Sand (60%/40%) Anchor drag risk: Medium	100,000 (all types)	4 vessels Priority system in place	Emergency use only Distress situations	KCG clearance required (VHF Ch 16) No commercial operations permitted 24hr radar/AIS surveillance Medical evacuation priority	Strictly IMO Resolution A.949(23) No bunkering/provisioning Tug assistance on standby
Jeju Quarantine Anchorage	33°29’N 126°29’E (WGS84) Marked by yellow buoys	1.2 (rectangular)	12-15 (maintained)	Sandy clay Good holding	20,000	3 vessels Isolation protocol	Health inspection Pratique clearance	Mandatory for疫区 arrivals No crew transfer permitted Medical waste special handling UV sanitization available	Free pratique within 6hrs (normal) 24hr medical standby Telemedicine available
Jeju Naval Anchorage	33°31’N 126°31’E (WGS84) Restricted area	2.0 (military use)	18-22	Hard clay	N/A	ROK Navy only	Military operations	Strictly prohibited zone 500m exclusion enforced Radar monitoring	No commercial activities

Enhanced Operational Details:

Navigation:
- Official Charts:
  - KHO No. 1111 (1:25,000)
  - BA 1405 (1:50,000)
  - ENC KR521131
- Leading lights: 142°T (F.R. 15s)
- GPS waypoints: Published in Notice to Mariners 12/2023 (KHO)
- Submarine cable area: 33°31’N 126°31’E (500m exclusion)
Tides & Currents:
- Tidal Data (2024):
  - MHWS: 2.1m / MLWS: 0.5m
  - Mean range: 1.3m
  - Highest astronomical tide: 2.4m
- Currents:
  - Max flood: 2.5kt (NE-SW)
  - Max ebb: 2.8kt (SW-NE)
Communications:
- VHF Channels:
  - Ch 16: Distress
  - Ch 12: Port Control
  - Ch 14: VTS Working
- MMSI: 440100010 (Jeju VTS)
- AIS: Mandatory for >300 GT
- Port Control: 24/7 operation

Updated Safety Regulations:

Korea Maritime Safety Act (2023 Amendment):
- Article 34-2: Double anchor when wind > Beaufort 6
- Article 41: Engine standby during cargo ops
- Article 58: Mandatory AIS transmission
Emergency Equipment:
- Oil spill response:
  - 2 x 50m containment booms
  - Response time <30 minutes
  - SK Chemical dispersants available
- Firefighting: 2 tugs with FiFi1 capability
Winter Operations (Dec-Feb):
- Deck icing warnings issued
- Special mooring arrangements
- Reduced anchorage capacity

Commercial Services Update:

Bunkering:
- Primary supplier: SK Shipping Co. (ISO 8217:2017)
- Secondary: GS Caltex (emergency supply)
- Notice periods:
  - 72hr for >500T
  - 24hr for <200T
- Quality control: KOMSA certified
Provisions:
- Delivery hours: 0700-1900 daily
- Special diets: Halal/Kosher available
- Cold chain: Refrigerated transport
Waste Management:
- Garbage: Daily collection
- Slops: Pre-arranged
- Hazardous waste: Special handling