ABS Class Notations Table - Towmasters: the Master of Towing ...

ÅABS Notations and Symbols – 3 November 2003 (Updated on 25 January 2007)
High Speed Craft – Naval Services
NOTATION
HSC Naval Craft
HSC Coastal Naval Craft
HSC Riverine Naval Craft
DESCRIPTION
HSC Naval Craft – This notation is assigned to naval vessels that have been built in accordance with
the ABS Guide for Building and Classing High-Speed Naval Craft, or equivalent and approved by the
Committee. Such craft will be distinguished in the Record by the symbols À A1 HSC Naval Craft
À AMS indicating compliance with the hull and machinery requirements of this Guide. Naval Craft
notation is to be assigned to naval vessels that are intended to operate in the littoral environment, but
are capable of open ocean voyages. Naval craft are limited to a maximum voyage of 300 miles from a
safe harbor when operating in the Winter Seasonal Zones as indicated in Annex II of the International
Conference on Load Lines, 1966. When operating on an open ocean voyage, craft are to avoid
tropical cyclones and other severe weather events.
HSC Coastal Naval Craft – This notation is to be assigned to naval vessels that are intended to
operate on a coastal voyage with a maximum distance from safe harbor of 300 miles and a maximum
voyage of 150 miles from a safe harbor when operating in the Winter Seasonal Zones as indicated in
Annex II of the International Conference on Load Lines, 1966. Coastal Naval Craft are not permitted
to perform transoceanic movements.
HSC Riverine Naval Craft – This notation is to be assigned to naval vessels that are intended to
operate in rivers, harbors, and coastlines with a maximum distance from safe harbor of 50 miles.
Riverine Naval Craft are not permitted to perform transoceanic movements.
REFERENCES
1-1-3/5 and 1-1-3/TableB of the Guide for Building and Classing High Speed Naval Craft
REMARKS
Class Notation
Example – À A1 HSC Naval Craft, À AMS…
À A1 HSC Coastal Naval Craft, À AMS…
À A1 HSC Riverine Naval Craft, À AMS…