NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: The perils of going to sea relying on a minimum of modern electronics
From: Lu Abel
Date: 2017 Mar 3, 09:51 -0800
From: Lu Abel
Date: 2017 Mar 3, 09:51 -0800
This could be just ignorant reporters. At the same time, there are web sites that show AIS information against a map/chart of the waters in real time. So one could conceivably (and stupidly!) rely on one of these displays instead of a "real" AIS system.
Here are two that cover San Francisco Bay:
Central San Francisco Bay Live Ship Positions from AIS Tracking