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US Coast Guard Circulars

rosaP Repository & Open Science Access Portal

The US Coast Guard Circulars Collection holds digitized NVICs published from 1960 through 2000. A Navigation and Vessel Inspection Circular (NVIC) provides detailed guidance about the enforcement or compliance with certain Federal marine safety regulations and Coast Guard marine safety programs. The collection is searchable by NVIC number. Bookmark this collection: https://rosap.ntl.bts.gov/collection_uscgcirculars or https://doi.org/10.21949/1530856.

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Showing 221 - 236 of 236 results
  • Z Nomograph Method of Calculating Available GM
    Z Nomograph Method of Calculating Available GM
    United States. Coast Guard
    1969-05-22 | PDF
    The purpose of this circular is to publish an acceptable short form method of calculating available CM.
  • Submission of reports for the shipment and discharge of seamen not shipped or discharged before a shipping commissioner
    Submission of reports for the shipment and discharge of seamen not shipped or discharged before a shipping commissioner
    United States. Coast Guard
    1969-04-29 | PDF
    The purpose of this circular is to provide information about reporting the employment, discharge or termination of the services of seamen employed on merchant vessels of the United States of 100 gross tons and upwards. This reporting includes the making of appropriate entries on Certificates of Discharge issued to merchant seamen or in Continuous D ...
  • Watertight Bulkheads in All Inspected Vessels Maintenance of Watertight Integrity
    Watertight Bulkheads in All Inspected Vessels Maintenance of Watertight Integrity
    United States. Coast Guard
    1969-01-29 | PDF
    To advise inspection personnel, vessel operators, and others concerned as to the need for maintenance of integrity of watertight bulkheads.
  • Automated Main and Auxiliary Machinery
    Automated Main and Auxiliary Machinery
    United States. Coast Guard
    1969-01-08 | PDF
    This circular distributes a "Guide for the Automation of Main and Auxiliary Ship's Machinery" to all interested and affected members of the marine community. With the current trend to fewer engineering watchstanders, it is essential that all concerned be aware of the equipment and systems necessary to reduce the manning in machinery spaces without ...
  • Classification of Vessels as SelfPropelled
    Classification of Vessels as Self-Propelled
    United States. Coast Guard
    1968-11-15 | PDF
    The purpose of this circular is to establish uniform guidelines concerning classification of certain vessels as self-propelled.
  • Protective Equipment Required for Firemans Outfits
    Protective Equipment Required for Fireman's Outfits
    United States. Coast Guard
    1968-06-24 | PDF
    This circular establishes guidelines indicating what types or protective clothing are intended for inclusion in fireman's outfits required on merchant vessels.
  • Tensile Fasteners
    Tensile Fasteners
    United States. Coast Guard
    1968-03-21 | PDF
    The purpose of the attached notes is to provide information on the applications, installation and inspection of tensile fasteners used as structural connections on inspected vessels. This information is furnished for guidance purposes. Where specifics are given it should be understood that mandatory application is not intended. Nothing herein shall ...
  • Notes on Inspection and Repair of Steel Hulls
    Notes on Inspection and Repair of Steel Hulls
    United States. Coast Guard
    1968-01-01 | PDF
    The attached "Notes on Inspection and Repair of Steel Hulls" is intended to be disseminated to Coast Guard Marine Inspectors, Vessel Owners, and Shipyards general information relating to good practice in the inspection and repair of steel hulled vessels. This information is furnished for guidance purposes. Where specifies are given it should be und ...
  • Alteration of Ships Structure which may Affect the Adequacy of Installed Safety Devices
    Alteration of Ship's Structure which may Affect the Adequacy of Installed Safety Devices
    United States. Coast Guard
    1967-05-17 | PDF
    The purpose of this instruction is to emphasize the importance of considering all possible effects on a vessel's safety when contemplating alteration of a ship's structure.
  • Requirements for Hull Structural SteelStructural Continuity
    Requirements for Hull Structural Steel-Structural Continuity
    United States. Coast Guard
    1966-01-25 | PDF
    This circular is intended to point out the need for special consideration whenever it is proposed to use steels other than ordinary ship steel or specially approved steels in hull construction. It also points out the need for recognizing that fittings, etc attached by welding to any part of the ship's structure generally tend to share the stress bo ...
  • Stability Determination Capsizing Cases Involving Uninspected Vessels
    Stability Determination Capsizing Cases Involving Uninspected Vessels
    United States. Coast Guard
    1965-08-06 | PDF
    This circular calls attention to the particular desirability of determining the stability characteristics of certain vessels which have capsized and provides for action which may be taken in such cases.
  • 240 x 80 x 358 Steel Lifeboats with Removable Interiors OarPropelled App No 1600353980 HandPropelled App No 1600354110 and MotorPropelled App No 1600354120 Manufactured by W E L I N Davit Boat Perth Amboy New Jer
    24.0′ x 8.0′ x 3.58′ Steel Lifeboats with Removable Interiors, Oar-Propelled (App. No. 160.035/398/0), Hand-Propelled (App. No. 160.035/411/0), and Motor-Propelled (App. No. 160.035/412/0), Manufactured by W E L I N Davit & Boat, Perth Amboy, New Jer
    United States. Coast Guard
    1965-03-03 | PDF
    This circular is to advise all Officers in Charge, Marine Inspection, shipowners and operators of the possibility o f a lateral misalignment of the release gear hooks and hoist plates, causing distortion of the stem and stern post sections of the keel under unsymmetrical loading conditions, and to describe proper means to prevent possible injury an ...
  • LSTs as Unmanned Barges Structural Reinforcement and Drydocking Hull Inspection Requirements
    LSTs as Unmanned Barges; Structural Reinforcement and Drydocking; Hull Inspection Requirements
    United States. Coast Guard
    1963-06-04 | PDF
    To provide a minimum structural standard for conversion of the subject vessels for unmanned barge operation in merchant service on Ocean, Coastwise or Great Lakes waters) and to provide an adequate, uniform basis for hull inspection of these vessels subsequent to conversion.
  • Guide for Inspection and Repair of Lifesaving Equipment
    Guide for Inspection and Repair of Lifesaving Equipment
    United States. Coast Guard
    1963-01-24 | PDF
    The attached "Guide for Inspection and Repair of lifesaving Equipment" is intended to disseminate to Coast Guard marine inspectors, chipping companies, and vessel owners general information relating to acceptable procedure to be followed in the inspection and repair of lifesaving equipment.
  • Placards Forms and Instructions Required To Be Posted Aboard Vessels Alternative Materials and Methods
    Placards, Forms and Instructions Required To Be Posted Aboard Vessels, Alternative Materials and Methods
    United States. Coast Guard
    1960-12-20 | PDF
    The purpose of this circular is to expand previous policy regarding acceptance of alternate materials and methods of posting the subject forms, etc.
  • Manned LSTs structural reinforcement and drydocking hull inspection requirements
    Manned LSTs; structural reinforcement and drydocking; hull inspection requirements
    United States. Coast Guard
    1956-08-29 | PDF
    To provide a minimum structural standard for conversion of the subject vessels for manned operation in merchant service on Ocean, Coastwise or Great Lakes waters, and to provide an adequate, uniform basis for hull inspection of these vessels subsequent to conversion.
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