Dredger · Flag CA
RIVERFLOW SPIRIT
RIVERFLOW SPIRIT is a dredger (IMO 9187019, MMSI 316059831, flag CA). Its last AIS position was reported on 17 Oct 2026 at 00:38 UTC near Port of Steveston, bound for FRASER_RIVER. AIS Trail recorded 2 port calls in the last 60 days, most recently at Steveston.
Last position
Status: Restricted manoeuvrability · Destination as broadcast: FRASER_RIVER · ETA as broadcast: 13 Apr 2027, 12:00 UTC
Position of MMSI 316059831, rounded to 0.01°; see the exact live position and the last 3 days on the live map.
Vessel details
| Name | RIVERFLOW SPIRIT |
|---|---|
| IMO number | 9187019 |
| MMSI | 316059831 |
| Call sign | CFA4945 |
| Type | Dredger |
| Flag | CA (from the MMSI country code) |
| Length × beam | 95 m × 16 m |
| Highest reported draught | 7.1 m (last 30 days) |
| Estimated deadweight | – |
| Destination as broadcast | FRASER_RIVER |
| Seen in AIS | 10 Oct 2026 – 16 Oct 2026 (last 30 days) |
Port calls
Port calls detected by AIS Trail in the last 60 days, newest first.
| Port | Arrived (UTC) | Departed (UTC) | Time in port |
|---|---|---|---|
| Steveston CASVN | 12 Oct 2026, 08:27 UTC | 12 Oct 2026, 10:43 UTC | 2 h 16 min |
| Steveston CASVN | 12 Oct 2026, 00:25 UTC | 12 Oct 2026, 02:13 UTC | 1 h 47 min |
RIVERFLOW SPIRIT in the API
The full track, every port call and the live position of RIVERFLOW SPIRIT are available through the AIS Trail API. A free key covers the last 7 days of history; paid plans cover the last 12 months, and Pro and Business add live positions.
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
"https://api.aistrail.com/v1/vessels/imo/9187019/track?from=2026-10-11&resolution=1h"
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
"https://api.aistrail.com/v1/vessels/imo/9187019/port-calls?from=2026-10-11"Sources
- Live AIS via aisstream.io, provided without warranty. No published terms
- Open Waters AIS (https://openwaters.io/ais/), with each event's own source credit (mostly AISHub (https://www.aishub.net) and aisstream.io). Per-event source licence; not merged
- Port reference: World Port Index (Pub. 150), National Geospatial-Intelligence Agency (NGA).
Flags come from the MMSI country code, deadweight and size class are estimates from AIS dimensions, port calls are detected by AIS Trail from position reports. All sources and licences: Data sources.
Not for navigation. AIS data can be missing, delayed or wrong; do not use it for navigation, collision avoidance, search and rescue or any other safety-of-life purpose.
