U. S. Coast Guard Marine Safety Alert 1-16
By Notices

The Coast Guard issued a safety alert based on a series of incidents of GPS signal loss. Whether caused by natural interference, accidental interruption or intentional jamming efforts, the loss of a GPS signal has immediate impact on vessel equipment. Signal loss includes intermittent signal, incorrect signal or no signal.
Application of the alert for yacht captains and officers:
- Understand vulnerability of onboard systems by GPS loss.
- Have alternate methods of navigation available.
- Maintain proficiency in all available means of navigation and collision avoidance.
Full text of the alert is available.