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AIS

British  

abbreviation

  1. Australian Institute of Sport

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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Some ships are sailing “dark,” as it is known in the industry, turning off lights and traveling without navigational beacons known as AIS, or Automatic Identification Systems, that help prevent collisions.

From The Wall Street Journal May 30, 2026

“Clearly, insurers like to know that the AIS is on,” said Marcus Baker, global head of marine and cargo at broker Marsh.

From The Wall Street Journal May 30, 2026

The experts were confident that the majority of the vessels were real and not spoofed, which is when AIS data is manipulated to give misleading information about a vessel's location or identity.

From Barron's Mar. 13, 2026

Ships use AIS partly to avoid one another.

From BBC Mar. 9, 2026

Similar to plane signals, the AIS safety system allows vessels to broadcast their details, positions and destination to ports and other vessels.

From Barron's Mar. 9, 2026

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