Navigation States

Possible AIS navState values

• Under way using its engine
• Anchored
• Not under command
• Has restricted maneuverability
• Ship draught is limiting its movement
• Moored (tied to another object to limit free movement)
• Aground
• Engaged in fishing
• Under way sailing
• Reserved for carrying dangerous goods/harmful substances/marine pollutants)
• Power-driven vessel towing astern
• Power-driven vessel pushing ahead/towing alongside
• Reserved for future use
• Emergency
• Undefined (default)