This post provides information on the possible effects of the April 6, 2019 GPS Week Number Rollover on UTC derived from GPS devices.
Source: USCG
Link: 4/12/2018: Upcoming 2019 Global Positioning System week number rollover event

The following products are available from the Navigation Center website:

• The Eighth (Gulf) Coast Guard District Local Notice to Mariners (15-2018): https://www.navcen.uscg.gov/pdf/lnms/lnm0815g2018.pdf
• The weekly update to the 2018 USCG Light List, Volume Four: https://www.navcen.uscg.gov/?pageName=lightListWeeklyUpdates
  
• The Summary of Corrections: https://www.navcen.uscg.gov/pdf/lightLists/corrections/V4D08GM.pdf

If the links above do not work, you should either copy and paste the links into your web browser or follow the LNM links from the Navigation Center LNM page.

The Local Notice to Mariners, Light List, and Summary of Corrections are in Portable Document Format (PDF) and viewing them requires a PDF reader.  PDF readers are readily available on the internet, generally free of charge.

To download the latest information:

• Place your mouse over the “PDF” symbol next to the corresponding week.
• Right click for PC / Control click for Mac.
• Choose “Save Target As”.
• Save the PDF to your computer and open using your PDF reader.

If you have questions regarding this message, please contact the Navigation Center (use “LNMs, Charts, Chart Corrections, or Light Lists” as the subject from the pull down menu).

Source: LNM District 8
Link: District 08 (GULF) Week 15 LNM Now Available on Navigation Center Website

The Navigation Center posted a notice to its website that the Global Positioning Systems Directorate will propose a change to the Navstar GPS Control Segment to User Support Community Interfaces (ICD-GPS-870), Interface Control Documents that will remove Section One from the GPS Operational Advisory.
Source: USCG
Link: 4/11/2018: GPS directorate proposes change to Navstar GPS control segment

The Coast Guard appointed 15 new members representing state boating safety officials, recreational vessel and equipment manufacturers, and national recreating boating organizations. Each member holds office for a term of up to three years.
Source: USCG
Link: 4/10/2018: National Boating Safety Advisory Council appoints new members

The 2017 Year in Review highlights NAVCEN’s work with maritime stakeholders, interagency partners, and GPS users worldwide to modernize the delivery of Marine Safety Information.
Source: USCG
Link: 4/10/2018: Navigation Center 2017 Year in Review

The Sub-Committee established three ad hoc working groups on fire protection, life-saving appliances, and the development of measures for onboard lifting appliances and winches, and an ad hoc drafting group on the develop of guidelines for cold ironing of ships.
Source: USCG
Link: 4/9/2018: Recap of the 5th Session of the IMO Sub-Committee on Ship Systems and Equipment

In an effort to better recognize those companies, operators, and vessels that have earned the E-Zero designation on their QUALSHIP 21 certificate, Maritime Commons will periodically publish the names of the latest vessels to earn the E-Zero designation.
Source: USCG
Link: 4/6/2018: Congratulations to the latest E-Zero designees

This issue of Drill Down will be the first of a series providing basic fundamental explanations of the “what, where, and how” of offshore oil and gas exploration, starting with hydrocarbons and hydro-carbon reservoirs.
Source: USCG
Link: 4/5/2018: New issue of ‘Drill Down’ now available

Form CG-835V Vessel Inspection Requirements is specifically tailored to capture more detailed deficiency data in a manner that is aligned with globally accepted Port State Control methodologies. The CG-835V was developed in conjunction with corresponding enhancements to the Coast Guard’s internal database, MISLE, in order to support better data analytics and the development and monitoring of Key Performance Indicators for the U.S. flag fleet and the Recognized Organizations that perform statutory certification and services on the Coast Guard’s behalf.
Source: USCG
Link: 4/5/2018: New Form CG-835V Vessel Inspection Requirements

The Marine Safety Center received its 11th and 12th applications, for the BallastAce system, manufactured by JFE Engineering Corporation, and the GloEn-Patrol system, manufactured by Panasia Co., Ltd, respectively.
Source: USCG
Link: 4/4/2018: Marine Safety Center receives two applications for ballast water management system type approval