MarineRadar — Home
HubNews & TrendsForumVesselLighthousePort
Sign inDownload
Google PlayApp Store
Download
✕
HubNews & TrendsForumVesselLighthousePort
Sign in
United Kingdom flag

STIRLING CASTLE — Military Ops · IMO 9630535

GBMoored
World map showing the last known position of STIRLING CASTLE at 50° 48.435' N, 1° 6.313' W
NSEW
Current PositionNo recent signal

STIRLING CASTLE has not broadcast an AIS position for 33 days. Its most recent report placed it in the North Sea, at 50.8072° N, 1.1052° W, on 6 Aug 2026, 17:37 UTC. It was sailing from PORTLAND UK to BIRKENHEAD.

Show in Map
Updated 33 days ago using terrestrial data
Live Satellite · latest position

See where STIRLING CASTLE is now

Terrestrial data is 33 days old. Use a satellite credit for the latest position, updated minutes ago — satellites track vessels in the deep sea.

$0.99 for 1 satellite position

Get satellite position · $0.99Save up to 60% with credit packs →
Moored
Current Navigational Status
0.0 kn
Speed
0.0°
/ 270°
Course / Heading
0 m
Static Draught
8.5 m
Current Draught

Voyage Tracker

ATD
09:13 UTCJul 24, 2026
ETA
18:16 UTCJul 24, 2026
STIRLING CASTLE

STIRLING CASTLE

Identity

Military Ops
Type
United Kingdom flagGB
Flag
9630535
IMO Number
232047057
MMSI
GMHC
Call Sign

Specifications

97 m × 20 m
Length × Breadth
2013-01-01
Year Built
4,600 t
Deadweight
5,840 t
Gross Tonnage
N/A
Engine Power
VARD BREVIK - BREVIK, NORWAY
Builder
DET NORSKE VERITAS
Class Society
Live tracking · 50,000+ mariners

Track STIRLING CASTLE live on MarineRadar

Real-time AIS positions, voyage history, and arrival alerts for STIRLING CASTLE — straight from your phone.

Live AIS positionsVoyage historyArrival alerts
Get the App

4.6 ★ · 18,000 reviews

Similar Vessels

Nearby vessels of the same type

Dredger

KAM TAI

Dredger

Law Enforce

JOY BANGLA

Law Enforce

Military Ops

ATLANTIS

Military Ops

Dive into the fleet, port, and flag state that STIRLING CASTLE is part of.

Flag State
All GB-flagged vessels
Browse every ship currently registered under the GB flag, with live AIS positions.
Vessel Type
Browse all Military Ops
See the global fleet of military ops tracked on MarineRadar with live AIS data.
Departure Port
Port of PORTLAND UK
Port traffic, arrivals and live vessel positions for PORTLAND UK (GBPTL).
Destination Port
Port of BIRKENHEAD
Arrivals, berth specifications, and live vessel traffic for BIRKENHEAD (GBBRK).

About STIRLING CASTLE

Identity · Ownership · Class · Route

STIRLING CASTLE — Military Ops

Built in 2013, with a gross tonnage of 5,840 GT, and a dead weight of 4,600 tonnes, STIRLING CASTLE is a military ops registered under the United Kingdom flag. The vessel is owned by ISLAND OFFSHORE GROUP ULSTEINVIK, NORWAY, built by VARD BREVIK - BREVIK, NORWAY.

STIRLING CASTLE route and voyage history

STIRLING CASTLE is currently on a voyage from PORTLAND UK to BIRKENHEAD with an estimated arrival on 2026-07-24T18:16:00Z. The live route and current course of STIRLING CASTLE are shown on the bridge map above, updated whenever the vessel is in range of a coastal AIS receiver or a satellite pass.

Vessel class and identifiers

STIRLING CASTLE is classed by DET NORSKE VERITAS, which inspects the vessel against its safety and structural rules. Vessels in the same class as STIRLING CASTLE can be seen in the Similar Vessels section above or in the full military ops fleet at /vessel-type/military-special.

Frequently Asked Questions

Where is STIRLING CASTLE right now?+
STIRLING CASTLE has not broadcast an AIS position for 33 days. The most recent broadcast placed it in the North Sea, on 6 Aug 2026, 17:37 UTC. It was sailing from PORTLAND UK to BIRKENHEAD. Vessels stop appearing on terrestrial AIS when they move beyond receiver range, so a gap does not necessarily mean the vessel is inactive.
What are the identifiers for STIRLING CASTLE?+
STIRLING CASTLE broadcasts MMSI 232047057 and is registered as IMO 9630535, with call sign GMHC. The MMSI is the radio identifier used by AIS; the IMO number stays with the ship for life and does not change with re-flagging or sale.
What type of ship is STIRLING CASTLE?+
STIRLING CASTLE is classified as a military ops vessel registered under the GB flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full military ops fleet at /vessel-type/military-special and full GB flag list at /flag/gb.
How can I see the live position of STIRLING CASTLE?+
MarineRadar shows the latest AIS broadcast from STIRLING CASTLE above, with current position, course, speed, and navigation status. Tap "View on map" to centre the live tracker on the vessel and watch its movement update in real time. The same data is available offline-friendly in the iOS and Android apps.
How often is STIRLING CASTLE's position updated?+
AIS transponders broadcast position every 2 seconds when underway at high speed and up to every 3 minutes at anchor. The position you see refreshes whenever the ship is in range of a coastal AIS receiver or a satellite pass — typically seconds in coastal waters and minutes offshore.
What class is STIRLING CASTLE?+
STIRLING CASTLE is classed by DET NORSKE VERITAS, the classification society responsible for inspecting the vessel against safety, structural and operational rules. As a military ops, STIRLING CASTLE sits in the same design class as the other military opss listed in the Similar Vessels section of the vessel page, or in the full military ops directory at /vessel-type/military-special. STIRLING CASTLE has a gross tonnage of 5,840 GT.

STIRLING CASTLE — Key Facts

MMSI
232047057
IMO number
9630535
Call sign
GMHC
Vessel type
Military Ops
Flag state
GB
Navigation status
Moored
Current speed
0.0 knots
Course over ground
0.0°
Heading
270°
Last known position
50.8072°, -1.1052°
Destination
BIRKENHEAD
ETA
2026-07-24T18:16:00Z
Departure port
PORTLAND UK
Actual time of departure
2026-07-24T09:13:00Z
Current draught
8.5 m
Maximum static draught
0 m
Year built
2013-01-01
Gross tonnage
5840
Dead weight
4600 t
AIS last updated
2026-08-06T17:37:00Z