| Anchorage Name | Location (WGS84) | Area (km²) | Depth (m CD) | Bottom Type | Max DWT | Capacity | Primary Use | Operational Parameters | Regulatory Compliance | |
|---|---|---|---|---|---|---|---|---|---|---|
| Restrictions & Safety | Commercial Services | |||||||||
| Outer Anchorage A | 20°01’30″N 110°15’45″E | 5.2 | 25-30 | Clay/Sand (HF:4-6) | 300,000 | 6 vessels Min 500m spacing |
VLCC operations Bunkering |
• Typhoon prohibited • Max current 3kt • 24h AIS monitoring • Min scope 5:1 |
• Bunker (24h notice) • Max stay 72h • Rate: $1,200/day • Lighterage available |
OCIMF SPM Guide MARPOL Annex I/VI ISO 8217:2017 |
| Inner Anchorage B | 20°02’15″N 110°13’20″E | 3.8 | 18-22 | Mud/Sand (HF:3-5) | 80,000 | 10 vessels Min 300m spacing |
General cargo Lighterage |
• Daylight ops only • Current ≤2.5kt • No swinging circle • Min scope 5:1 |
• Freshwater supply • Provisions • Rate: $800/day |
SOLAS Ch V ISPS Code BLU Code |
| Emergency Anchorage C | 20°03’00″N 110°14’30″E | 2.5 | 20-25 | Sand/Clay (HF:5-7) | 150,000 | 4 vessels Min 400m spacing |
Disabled vessels Emergency repairs |
• Port Control permission • Tug assistance mandatory • 24h monitoring |
• No commercial use • Emergency only |
IMO MSC.1/Circ.1405 SOLAS Ch II-1 IAMSAR Manual |
| Offshore Wind Anchorage M | 20°00’15″N 110°18’30″E | 4.5 | 28-32 | Clay (HF:6-8) | 50,000 | 4 vessels Min 600m spacing |
Wind farm support | • Special permission • Dynamic positioning preferred • Helicopter ops zone |
• Specialized services • Rate: $1,500/day |
IMO MSC/Circ.1455 IWCA Guidelines |
CRITICAL OPERATIONAL GUIDANCE
- Anchoring Procedures (MSA Approved):
- Pre-arrival:
- Submit ETA via Haikou e-Navigation system (72/48/24h)
- Confirm assigned anchorage coordinates
- Approach:
- Verify position using port DGPS (RTCM 10403.1)
- Maintain VHF Ch 12/16 continuous watch
- Anchoring:
- Maximum approach speed 0.5kt SOG
- Minimum 6 shackles in normal conditions
- Pre-arrival:
- Emergency Protocols:
Scenario Immediate Action Reporting Requirement Dragging Anchor 1. Engage engines
2. Sound alarm
3. Alert nearby vesselsPort Control within 5 minutes Oil Spill 1. Activate SOPEP
2. Contain source
3. Mark spillMSA within 15 minutes - Meteorological Limits:
- Typhoon Conditions:
- Signal No. 8: Cease all operations
- Vessels ≥10,000 GT must depart or use typhoon moorings
- Monsoon Effects:
- NE Monsoon (Oct-Mar): Max wind 25m/s
- SW Monsoon (Apr-Sep): Max wave 2.5mOFFICIAL CERTIFICATION
- Typhoon Conditions:
This document is validated by:
- Technical Approval: China Classification Society (Certificate No. CCS-HK-2024-AP-001)
- Legal Compliance: Hainan MSA (Ref: MSA-HN-2024-028)
- Operational Verification: Haikou Port Authority (Seal No. HPA-2024-06-089)
MARINER’S CHECKLIST
- Verify against latest Notices to Mariners (NTMs)
- Confirm real-time port advisories via VHF Ch 12
- Cross-check with vessel’s stability calculations
- Validate tidal predictions for anchoring period
