For a much more detailed and comprehensive tool, the is the definitive publication. It is a commercial guide produced by Witherbys, who develop it in close consultation with experienced straits pilots, harbour pilots, port authorities, and shipmasters who regularly transit the area.
Strong tidal currents and unpredictable "Sumatra" squalls that can reduce visibility to near zero. 2. Key Elements of the Passage Plan
High congestion where the navigable channel shrinks to less than 1.5 nautical miles wide. Horsburgh Lighthouse
Set conservative cross-track error alarms on the ECDIS. In narrow segments, the XTL should be set no wider than the width of the safe water zone inside your designated lane.
If crossing a lane is unavoidable, it must be done at a right angle to the general direction of traffic flow to minimize the time spent crossing. Mandatory Ship Reporting System (STRAITREP) passage planning guide malacca and singapore straits pdf
Ensure all charts (e.g., BA 4030, 4031) are updated with the latest Notices to Mariners.
Analysis of strong currents, particularly around Batu Berhanti , which can significantly impact maneuverability. 🚦 Navigation Rules & Best Practices
Recommended max over ground for DDVs in specific westbound segments. Overtaking
The Northeast Monsoon (November to March) brings strong winds and heavy swells, while the Southwest Monsoon (May to September) features lighter prevailing winds but volatile squalls. For a much more detailed and comprehensive tool,
in a two-mile-wide lane. To make matters worse, this area is often crowded with a "ghost fleet" of small fishing boats and wooden vessels that often do not carry AIS (Automatic Identification System)
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The Singapore Strait remains a hotspot for armed robbery and sea theft, primarily targetting low-speed, low-freeboard vessels at night.
Leg-by-leg nautical mile calculations from One Fathom Bank to Horsburgh Lighthouse. In narrow segments, the XTL should be set
The PPG is a comprehensive manual for navigators, structured to build a complete passage plan from the ground up. The table of contents reveals its depth and practical focus.
Simultaneous interaction with deep-draft vessels, high-speed ferries, and unflagged local fishing craft.
Review the latest updates from the ReCAAP Information Sharing Centre .