CG-ENG Policy Letters:


  • 01-12 CH-1 (July 2017) Design Criteria for Natural Gas Fuel Systems
  • 01-12  (April 2012) Equivalency Determination- Design Criteria for Natural Gas Fuel Systems
  • 02-12 CH-1  Acceptance of the 2009 MODU Code (March 2019)
  • 03-12  Implementation of IMO Resolution A.673(16), Guidelines for the Transport and Handling of Limited Amounts of Hazardous and Noxious Liquid Substances in Bulk on Offshore Support Vessels, For New and Existing U.S. Offshore Supply Vessels
  • 04-12  Alternate Relief Valve Settings on Vessels Carrying Liquefied Gases in Bulk in Independent Type B and Type C Tanks
  • 05-12  Implementation of Additional Personnel Safety Requirements for Carbon Dioxide Fire Suppression Systems
  • 01-13  Alternate Design and Equipment Standard for Floating Offshore Installations (FOI) and Floating Productions, Storage, and Offloading (FPSO) Units on the U.S. Outer Continental Shelf
  • 01-14  Lifeboat Release Mechanisms: Policy on Implementing of New SOLAS Regulation III/1.5 and IMO Circular MSC.1/CIRC.1392
  • 02-14  Approval of Equivalencies to the Requirements for Odorizing Units on Fixed Carbon Dioxide Fire Extinguishing Systems
  • 01-15 Interim Guidance for Regulated Facilities for the Review and Approval of Mobile Vapor Control Systems
  • 02-15 Design Standards for U.S. Barges Intending to Carry Liquefied Natural Gas in Bulk
  • 03-15 Acceptance of CAP 437, Standards for Offshore Helicopter Landing Areas
  • 01-16 Portable Accommodation Module (PAM) Guidance
  • 02-16 Clarification and Guidance for Implementation of Marine Vapor Control Systems (VCS); Exemption and Certification, Detonation Arrestors, and Anti-Flashback Burners

  • 01-18 Equivalency Determination-FRP Gratings Conforming to ASTM F3059

  • 02-18 Adoption of ANSI/CAN/UL 12402-5 and 12402-9

  • 03-18 Adoption of RTCM Standard 13200.0 for Electronic Visual Distress Signal Devices (eVDSDs)
  • 01-19 (May 2019) Equivalency Determination - Fire Pumps for Subchapter C and Subchapter M Towing Vessels
  • 02-19 (October 2019) Design Guidance for Lithium-Ion Battery Installations Onboard Commercial Vessels
  • 03-19 (December 2019) Accepted Distress Signal Devices for Ocean Going Vessels