ASD or Admiralty Sailing Directions and its Correction ?

 What is Admiralty Sailing Directions?

Admiralty Sailing Directions provides valuable information that may be needed by a mariner regarding any area, various navigable areas all over the world are covered by diff. ASD volume. A diagrammatic key showing boundaries of geographical area covered are shown in admiralty sailing directions, ASD generally used for coastal navigation.

          General information about any area and the knowledge about local regulation climate condition, Anchorage, harbour approaches are easily obtained from this. ASD are very useful for passage planning.

 

In Short:-  

• It's another name of Pilot Book
• Applicable to ship > 150 GRT
• It is essential for Passage Planning
• Total 76 volume
• New Volume Published every 12 Yrs      
• Kept updated by supplement every 18 months

ASD Gives Following Information:-

• Local Regulation 
• Climate Condition 
• Navigational Hazard
• Port Facilities 
• Harbour Approaches
• Buoyage System
• Wx Condition

ASD Correction:-

• Correction is published in section IV of weekly notice to mariner.
• The received correction can be corrected or cut and paste on the volume.
• A log should be maintained, where all record of the correction to be noted.