AIS gap

A period during which a vessel transmitted no AIS positions. Used to flag dark periods and assess risk.

More terms

• AIS (Automatic Identification System)
• MMSI
• IMO Number
• SOG (Speed Over Ground)
• COG (Course Over Ground)
• Heading
• Class A transponder
• Class B transponder
• Dark ship
• Bounding box (bbox)
• Draught