| Anchorage Name | Location (Coordinates) | Area (km²) | Depth (m) | Bottom Type | Max Vessel DWT | Capacity | Primary Use | Restrictions & Safety Notes | Commercial Notes |
|---|---|---|---|---|---|---|---|---|---|
| Songrim Outer Anchorage | 38°45’00″N 125°24’00″E (WGS84)
±50m accuracy |
2.5
(0.8nm radius) |
12-18 (CD)
+3.8m MHWS |
Mud/Sand (70/30)
Holding power: 1.5t/m² |
50,000
(LOA max 220m) |
10 vessels
(min 0.5nm separation) |
1. Waiting area (priority system)
2. Storm shelter (Category B) 3. Quarantine inspection 4. Bunker survey |
1. Typhoon restrictions: July-September (wind > Beaufort 8)
2. Prohibited zone: 1nm radius from 38°44’N 125°25’E 3. AIS Class A mandatory 4. Night navigation ban (2000-0500 local) 5. Anchoring prohibited in NE sector |
1. Maximum stay: 72hr (extendable with permit)
2. Bunkering prohibited (except emergency) 3. Fresh water: 50t/day limit 4. Waste reception: Prior arrangement required 5. Customs overtime: 200% fee after 1800 |
| Songrim Inner Anchorage | 38°47’30″N 125°22’15″E (WGS84)
±30m accuracy |
1.2
(0.4nm radius) |
8-10 (MLWS)
+3.2m MHWN |
Stiff clay (50kPa)
Holding power: 3t/m² |
20,000
(LOA max 180m) |
5 vessels
(berthing priority system) |
1. General cargo operations
2. Bunkering (licensed operators) 3. Crew changes 4. Provisions loading |
1. Tug requirement: 2 tugs for >10,000 DWT
2. Operating window: 0600-1800 local 3. Currents: 3.2 knots max (flood tide) 4. NW wind restriction: Beaufort 6+ 5. Mandatory port security guard 6. No anchoring in SW quadrant |
1. Advance notice: 24hr required
2. Stevedores: 0800-1700 (OT 1700-2200) 3. Customs clearance: Onboard inspection 4. Provisions: Daylight delivery only 5. Bunker surcharge: $15/t after 1700 |
| Songrim Emergency Anchorage | 38°43’45″N 125°26’20″E (WGS84)
±100m accuracy |
0.8
(0.3nm radius) |
15-20
(uniform depth) |
Sand/rock (60/40)
Holding power: 2t/m² |
30,000
(LOA max 200m) |
3 vessels
(min 0.3nm separation) |
1. Emergency repairs
2. Medical evacuations 3. Naval priority 4. Pollution control |
1. Port State Control authorization required
2. Maximum stay: 48hr (non-extendable) 3. No cargo operations 4. 24/7 naval monitoring 5. No underwater operations permitted |
1. No commercial activities
2. Emergency contact: VHF Ch 16/12 3. Medical evacuation: 4hr notice required 4. Repair permits: Apply via agent |
Enhanced Navigation Data:
1. Tidal Information:
– MHWS: 3.8m | MHWN: 3.2m
– MLWS: 0.6m | MLWN: 1.2m
– Mean range: 2.2m | Spring range: 3.2m
2. Current Patterns:
– Flood: 125° at 2.8 knots (3hr before HW)
– Ebb: 305° at 3.2 knots (2hr after HW)
– Slack water: 35min duration
3. Magnetic Variation:
– 7°15’W (2025)
– Annual decrease: 0.1°
– Anomaly zone: +2° within 2nm of port
Regulatory Framework:
1. Port Entry Protocol:
– 96hr advance notice (72hr for emergencies)
– Crew list with passport/CDC numbers
– Last port clearance certificate (notarized)
– Cargo manifest (3 copies)
2. Security Measures:
– ISPS Code Level 1 implementation
– Armed guards strictly prohibited
– Gangway watch 24/7 (minimum 2 crew)
3. Environmental Compliance:
– Zero discharge policy (including gray water)
– Mandatory garbage logbook (IMO format)
– Oil record book Part I & II required
Safety Critical Information:
1. Navigation Hazards:
– Uncharted wreck: 38°46’30″N 125°23’12″E (depth 5.2m)
– Submarine cables: 1nm radius from outer anchorage
– Fishing nets: Extensive from May-October
2. Search & Rescue:
– Primary: Chongjin MRCC (VHF Ch16)
– Secondary: Nampo Coast Guard
– Response time: 90min (day), 120min (night)
– SAR aircraft: Mi-14 helicopters available
Operational Services:
1. Pilotage:
– Compulsory >500 GT
– Boarding position: 38°44’N 125°25’E
– 6hr notice required (12hr for night)
2. Tug Services:
– 2x 3200HP ASD tugs available
– Minimum 2 tugs for >20,000 DWT
– Night surcharge: 50% after 2000
3. Provisions:
– Fresh water: 100t/day capacity
– Bunkers: MGO only (no IFO)
– No LNG supply available
