Military vessel · Flag GB

HMS SEVERN

HMS SEVERN is a military vessel (IMO 9261334, MMSI 234623000, flag GB). Its last AIS position was reported on 16 Oct 2026 at 20:05 UTC in Port of Millport. AIS Trail recorded 1 port call in the last 60 days, most recently at Portsmouth Harbour.

Last position

Position55.75° N, 4.97° WIn Port of Millport
Reported20:05 UTC16 Oct 2026
Speed13.5 kn
Course189°

Status: Under way using engine

Position of MMSI 234623000, rounded to 0.01°; see the exact live position and the last 3 days on the live map.

Vessel details

NameHMS SEVERN
IMO number9261334
MMSI234623000
Call signGBSK
TypeMilitary
FlagGB (from the MMSI country code)
Length × beam80 m × 14 m
Highest reported draught7.0 m (last 30 days)
Estimated deadweight–
Destination as broadcast–
Seen in AIS14 Oct 2026 – 16 Oct 2026 (last 30 days)

Port calls

Port calls detected by AIS Trail in the last 60 days, newest first.

PortArrived (UTC)Departed (UTC)Time in port
Portsmouth Harbour GB14 Oct 2026, 08:46 UTC14 Oct 2026, 09:25 UTC39 min

HMS SEVERN in the API

The full track, every port call and the live position of HMS SEVERN 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/9261334/track?from=2026-10-10&resolution=1h"
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
  "https://api.aistrail.com/v1/vessels/imo/9261334/port-calls?from=2026-10-10"

Sources

  • Live AIS via aisstream.io, provided without warranty. No published terms
  • 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.