What AIS classes are there?

• AIS Class A

  • Required for: Commercial shipping (SOLAS vessels, passenger ships, tankers, etc.)
  • Features:
    • High transmission power (12.5 W)
    • Short transmission intervals (every 2–10 seconds, depending on speed/maneuvers)
    • Comprehensive data transmission (vessel name, MMSI, position, course, speed, destination port, ETA, navigation status, etc.)
  • Purpose: Maximum visibility in maritime traffic

• AIS Class B

  • For: Yachts, pleasure craft, smaller commercial vessels
  • Features:
    • Lower transmission power (2 W)
    • Longer transmission intervals (every 30 seconds to 3 minutes)
    • Less comprehensive data sets (Based on: MMSI, position, course, speed)
  • Purpose: Increased safety and visibility for recreational boating

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Category: FAQ: AIS Transceiver

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