Archive of: Navigation Articles

Title Issue
U.S. Coast Guard begins testing synthetic aids, virtual buoys

U.S. Coast Guard begins testing synthetic aids, virtual buoys

The U.S. Coast Guard has begun to test automatic identification system (AIS) aids to navigation, including virtual buoys, on the West Coast as the first step toward introducing them around the country.

August 2014
Optical sensor monitors fog for San Francisco Bay mariners

Optical sensor monitors fog for San Francisco Bay mariners

A new fog sensor installed in San Francisco Bay and in other waterways nationwide is the latest tool to provide mariners with real-time information on whether it is safe to leave the dock and transit fog-bound waters.

February 2014

NOAA soon will stop producing paper charts

The federal government, which has been printing paper nautical charts since the Civil War, is pulling the plug in April.

February 2014

Overtaking or crossing? Don’t assume what other ship will do

The overtaking situation is generally regarded as a type of vessel encounter presenting the least risk to the vessels involved. This is primarily due to the fact that, in contrast to crossing and head-on situations, overtaking often involves low relative speeds between the vessels, resulting in a more slowly developing situation that the mariner is better able to appreciate, analyze and react to.

August 2013

Adrift cruise ship aids tryout of satellite-based ship tracking

Government officials on both sides of the Atlantic became concerned in February when a cruise ship bound for the scrap heap from Newfoundland broke free of its towline and started drifting toward Europe.

June/July 2013
La. college, towing company join forces to create Inland Bridge Resource Management training

La. college, towing company join forces to create Inland Bridge Resource Management training

If you sketch a plan view of Berwick Bay — a swelling of the Atchafalaya River at Morgan City, La., where the Port Allen Alternate Route, Gulf Intracoastal Waterway, and bayous Teche, Boeuf and Shaffer converge on the river — you get a drawing resembling an octopus in trouble.

April 2013
T Squared Deployed: an advanced escort procedure

T Squared Deployed: an advanced escort procedure

The need to know how to effectively use tugs of various types to assist ships transiting a port at speed took on a greater urgency following several catastrophic tanker groundings involving large oil spills in the 1980s and 1990s.

March 2013
Coos Bay Bar: Currents, ‘tule fog’ pose challenges for Oregon coast’s seasoned pilots

Coos Bay Bar: Currents, ‘tule fog’ pose challenges for Oregon coast’s seasoned pilots

The Coos Bay Bar, one of several port entrances on the Oregon coast, has a well-justified reputation for being unfriendly to shipping.

February 2013
The Voyage of the Rose City

The Voyage of the Rose City

August 2012

Alaska pilot, 'Jordan of ice' spearhead winter fuel delivery to Nome

May 2012
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