Spire provides maritime AIS data to monitor historical vessel positions and tracks, acquired by terrestrial and satellite sensors.

| Data product | Output | Order link |
|---|---|---|
| Historical Vessel Points (HVP)* | Historical vessel data API name and ID: Not integrated | |
| Historical Vessel Tracks (HVT)* | Historical vessel data API name and ID: Not integrated |
| Specification | Description |
|---|---|
| Provider | Spire |
| Collection type | Catalog |
| Product type | Derived product |
| System type | Satellite |
| Specification | Description |
|---|---|
| Data source | Satellite and terrestrial AIS receivers |
| Specification | Description |
|---|---|
| Orbit | Sun-synchronous, at 500–550 km |
| Number of satellites | 100 |
| Specification | Description |
|---|---|
| Coordinate reference system | Geographic-WGS84 |
| Specification | Description |
|---|---|
| Limitations | Input: Vessel identifers Availability: From 2011 Output: Historical vessel data |
The geographic coverage is global.