Military vessel · Flag GB
HMS ST ALBANS
HMS ST ALBANS is a military vessel (IMO 8949721, MMSI 234638000, flag GB). Its last AIS position was reported on 16 Oct 2026 at 15:19 UTC near Port of Millport. AIS Trail recorded 5 port calls in the last 60 days, most recently at Faslane.
Last position
Status: Under way using engine
Position of MMSI 234638000, rounded to 0.01°; see the exact live position and the last 3 days on the live map.
Vessel details
| Name | HMS ST ALBANS |
|---|---|
| IMO number | 8949721 |
| MMSI | 234638000 |
| Call sign | GDIT |
| Type | Military |
| Flag | GB (from the MMSI country code) |
| Length × beam | 133 m × 16 m |
| Highest reported draught | 25.5 m (last 30 days) |
| Estimated deadweight | – |
| Destination as broadcast | – |
| Seen in AIS | 14 Oct 2026 – 16 Oct 2026 (last 30 days) |
| Other MMSIs with this IMO | 232002833 |
Port calls
Port calls detected by AIS Trail in the last 60 days, newest first.
| Port | Arrived (UTC) | Departed (UTC) | Time in port |
|---|---|---|---|
| Faslane GBFAS | 14 Oct 2026, 08:31 UTC | No departure yet | – |
| Portsmouth Harbour GB | 13 Oct 2026, 15:40 UTC | 13 Oct 2026, 17:55 UTC | 2 h 15 min |
| Portsmouth Harbour GB | 12 Oct 2026, 08:35 UTC | 12 Oct 2026, 10:05 UTC | 1 h 30 min |
| Belfast GBBEL | 12 Oct 2026, 06:57 UTC | 12 Oct 2026, 07:55 UTC | 58 min |
| Portsmouth Harbour GB | 10 Oct 2026, 18:20 UTC | 12 Oct 2026, 06:38 UTC | 36 h 18 min |
HMS ST ALBANS in the API
The full track, every port call and the live position of HMS ST ALBANS 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/8949721/track?from=2026-10-10&resolution=1h"
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
"https://api.aistrail.com/v1/vessels/imo/8949721/port-calls?from=2026-10-10"Sources
- Live AIS via aisstream.io, provided without warranty. No published terms
- Port reference: UN/LOCODE, United Nations Economic Commission for Europe (UNECE), https://unlocode.unece.org, license CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Modified: port entries selected, deduplicated and merged with the World Port Index.
- 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.
