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United Kingdom flag

GRAMPIAN FORTRESS — SAR · IMO 9709958

GBUnder way using engine
World map showing the last known position of GRAMPIAN FORTRESS at 53° 53.537' N, 3° 35.483' W
NSEW
Current PositionLive

GRAMPIAN FORTRESS is currently under way in the North Sea, at 53.8923° N, 3.5914° W, making 0.8 knots on a course of 176°. It is sailing from HEYSHAM to HEYSHAM with an ETA of 27 Aug 2026, 21:31 UTC. AIS position received 8 Sep 2026, 12:44 UTC.

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Updated 13 minutes ago using terrestrial data
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Under way using engine
Current Navigational Status
0.8 kn
Speed
176.0°
/ 264°
Course / Heading
5.1 m
Static Draught
4.5 m
Current Draught

Voyage Tracker

United Kingdom flag
HEYSHAMGBHYM
ATD
19:05 UTCAug 27, 2026
United Kingdom flag
HEYSHAMGBHYM
ETA
21:31 UTCAug 27, 2026
GRAMPIAN FORTRESS

GRAMPIAN FORTRESS

Identity

SAR
Type
United Kingdom flagGB
Flag
9709958
IMO Number
235113405
MMSI
2IWR6
Call Sign

Specifications

58 m × 15 m
Length × Breadth
2016-01-01
Year Built
1,168 t
Deadweight
1,771 t
Gross Tonnage
N/A
Engine Power
ASTILLEROS BALENCIAGA - ZUMAIA, SPAIN
Builder
N/A
Class Society
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Dive into the fleet, port, and flag state that GRAMPIAN FORTRESS 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 SARs
See the global fleet of sars tracked on MarineRadar with live AIS data.
Departure Port
Port of HEYSHAM
Port traffic, arrivals and live vessel positions for HEYSHAM (GBHYM).

About GRAMPIAN FORTRESS

Identity · Ownership · Class · Route

GRAMPIAN FORTRESS — SAR

Built in 2016, with a gross tonnage of 1,771 GT, and a dead weight of 1,168 tonnes, GRAMPIAN FORTRESS is a sar registered under the United Kingdom flag. The vessel is owned by NORTH STAR SHIPPING - ABERDEEN, United Kingdom (UK), built by ASTILLEROS BALENCIAGA - ZUMAIA, SPAIN.

GRAMPIAN FORTRESS route and voyage history

GRAMPIAN FORTRESS is currently on a voyage from HEYSHAM to HEYSHAM with an estimated arrival on 2026-08-27T21:31:00Z. The live route and current course of GRAMPIAN FORTRESS 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

Vessels in the same class as GRAMPIAN FORTRESS can be seen in the Similar Vessels section above or in the full sar fleet at /vessel-type/tug-pilot-vessel.

  • MMSI: 235113405
  • IMO: 9709958
  • Call sign: 2IWR6
  • Vessel type: SAR
  • Flag state: United Kingdom

Frequently Asked Questions

Where is GRAMPIAN FORTRESS right now?+
GRAMPIAN FORTRESS is currently under way in the North Sea, within the English Channel / North Sea corridor. It is sailing from HEYSHAM to HEYSHAM with an ETA of 27 Aug 2026, 21:31 UTC. Its exact coordinates, speed and ETA are shown at the top of this page and refresh from the latest AIS broadcast.
What are the identifiers for GRAMPIAN FORTRESS?+
GRAMPIAN FORTRESS broadcasts MMSI 235113405 and is registered as IMO 9709958, with call sign 2IWR6. 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 GRAMPIAN FORTRESS?+
GRAMPIAN FORTRESS is classified as a sar vessel registered under the GB flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full sar fleet at /vessel-type/tug-pilot-vessel and full GB flag list at /flag/gb.
How can I see the live position of GRAMPIAN FORTRESS?+
MarineRadar shows the latest AIS broadcast from GRAMPIAN FORTRESS 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 GRAMPIAN FORTRESS'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 GRAMPIAN FORTRESS?+
As a sar, GRAMPIAN FORTRESS sits in the same design class as the other sars listed in the Similar Vessels section of the vessel page, or in the full sar directory at /vessel-type/tug-pilot-vessel. GRAMPIAN FORTRESS has a gross tonnage of 1,771 GT.

GRAMPIAN FORTRESS — Key Facts

MMSI
235113405
IMO number
9709958
Call sign
2IWR6
Vessel type
SAR
Flag state
GB
Navigation status
Under way using engine
Current speed
0.8 knots
Course over ground
176.0°
Heading
264°
Last known position
53.8923°, -3.5914°
Destination
HEYSHAM
ETA
2026-08-27T21:31:00Z
Departure port
HEYSHAM
Actual time of departure
2026-08-27T19:05:00Z
Current draught
4.5 m
Maximum static draught
5.1 m
Year built
2016-01-01
Gross tonnage
1771
Dead weight
1168 t
AIS last updated
2026-09-08T12:44:00Z