For 170 years, the San Francisco Bar Pilots have been navigating the world’s largest ships through some of North America’s most difficult waterways. These state and federally-licensed master mariners are highly-specialized ship captains who rely on navigational experience, ship-handling skills, and local knowledge to transport more than $1.2 billion in goods to and from 200 Bay Area ports, docks, and berths every day. This critical service protects more than 1,000 miles of fragile coastline...
A handy and simple tool to determine in a minimum time what is really needed as tug assistance, is the Bollard Pull Calculator which calculates in an approximate way the total required tug power for ships in various conditions of wind and current. This tool can be loaded as an app on the smart phone.
