USCG Warns Watch Your AIS

 AIS, navigation, Safety Alerts  Comments Off on USCG Warns Watch Your AIS
Aug 302010
 

image CAUTION TO AIS USERS NAVIGATING THE – JAMES RIVER, YORK RIVER, UPPER CHESAPEAKE BAY, DELAWARE BAY, NEW JERSEY SHORE, AND, NEW YORK HARBOR AND APPROACHES –

YOU MAY BE INADVERTENTLY OPERATING ON DIFFERENT AIS CHANNELS

Between July 27 and August, 2010, while conducting development testing of its Nationwide Automatic Identification System (NAIS), the Coast Guard inadvertently tele-commanded most AIS users transiting the Eastern United States between lower Connecticut and North Carolina to switch to AIS frequencies other than the AIS default frequencies (161.975 MHz – Channel 87B – 2087 and 162.025 MHz – Channel 88B – 2088).

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