Port tender · Flag SG
GP 81
GP 81 is a port tender (MMSI 563040948, flag SG). Its last AIS position was reported on 16 Oct 2026 at 07:03 UTC in Port of Jurong Island. AIS Trail recorded 1 port call in the last 60 days, most recently at Serangoon Harbor.
Last position
Position of MMSI 563040948, rounded to 0.01°; see the exact live position and the last 3 days on the live map.
Vessel details
| Name | GP 81 |
|---|---|
| IMO number | – |
| MMSI | 563040948 |
| Call sign | – |
| Type | Port tender |
| Flag | SG (from the MMSI country code) |
| Length × beam | 12 m × 4 m |
| Highest reported draught | – |
| Estimated deadweight | – |
| Destination as broadcast | – |
| Seen in AIS | 14 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 |
|---|---|---|---|
| Serangoon Harbor SG | 14 Oct 2026, 05:45 UTC | 16 Oct 2026, 03:11 UTC | 45 h 26 min |
GP 81 in the API
The full track, every port call and the live position of GP 81 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/563040948/track?from=2026-10-11&resolution=1h"
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
"https://api.aistrail.com/v1/vessels/563040948/port-calls?from=2026-10-11"Sources
- 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.
