The Danish Maritime Authority publishes about 3 TB of AIS routes in CSV format here. The columns in the CSV are listed in Table 1.1, “AIS columns”. This module uses the data of one day June 1st 2023. The CSV file size is 582 MB, and it contains more than 11 M rows.
Table 1.1. AIS columns
| Timestamp | Timestamp from the AIS base station, format: 31/12/2015 23:59:59 |
| Type of mobile | Describes what type of target this message is received from (class A AIS Vessel, Class B AIS vessel, etc) |
| MMSI | MMSI number of vessel |
| Latitude | Latitude of message report (e.g. 57,8794) |
| Longitude | Longitude of message report (e.g. 17,9125) |
| Navigational status | Navigational status from AIS message if available, e.g.: 'Engaged in fishing', 'Under way using engine', mv. |
| ROT | Rot of turn from AIS message if available |
| SOG | Speed over ground from AIS message if available |
| COG | Course over ground from AIS message if available |
| Heading | Heading from AIS message if available |
| IMO | IMO number of the vessel |
| Callsign | Callsign of the vessel |
| Name | Name of the vessel |
| Ship type | Describes the AIS ship type of this vessel |
| Cargo type | Type of cargo from the AIS message |
| Width | Width of the vessel |
| Length | Lenght of the vessel |
| Type of position fixing device | Type of positional fixing device from the AIS message |
| Draught | Draugth field from AIS message |
| Destination | Destination from AIS message |
| ETA | Estimated Time of Arrival, if available |
| Data source type | Data source type, e.g. AIS |
| Size A | Length from GPS to the bow |
| Size B | Length from GPS to the stern |
| Size C | Length from GPS to starboard side |
| Size D | Length from GPS to port side |