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San Marino flag

TESS — SAR · IMO 9736559

SMUnderway Using Engine
World map showing the last known position of TESS at 52° 38.073' N, 2° 52.970' E
NSEW
Current PositionLive

TESS is currently under way in the North Sea, at 52.6345° N, 2.8828° E, making 0.6 knots on a course of 343°. It is sailing from LOWESTOFT to LOWESTOFT with an ETA of 1 Aug 2026, 03:00 UTC. AIS position received 9 Aug 2026, 04:22 UTC.

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Updated 2 minutes ago using terrestrial data
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Underway Using Engine
Current Navigational Status
0.6 kn
Speed
343.0°
/ 7°
Course / Heading
2.8 m
Static Draught
3 m
Current Draught
ATD
Jul 31, 2026, 19:40 UTC
ETA
Aug 1, 2026, 03:00 UTC
From
LOWESTOFT
To
LOWESTOFT

Voyage Tracker

ATD
19:40 UTCJul 31, 2026
ETA
03:00 UTCAug 1, 2026
TESS

TESS

Identity

SAR
Type
San Marino flagSM
Flag
9736559
IMO Number
268239102
MMSI
T7AH7
Call Sign

Specifications

38 m × 9 m
Length × Breadth
N/A
Year Built
N/A
Deadweight
N/A
Gross Tonnage
N/A
Engine Power
N/A
Builder
N/A
Class Society
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Dive into the fleet, port, and flag state that TESS is part of.

Flag State
All SM-flagged vessels
Browse every ship currently registered under the SM 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 LOWESTOFT
Port traffic, arrivals and live vessel positions for LOWESTOFT (GBLOW).

About TESS

Identity · Ownership · Class · Route

TESS — SAR

TESS is a sar registered under the San Marino flag.

TESS route and voyage history

TESS is currently on a voyage from LOWESTOFT to LOWESTOFT with an estimated arrival on 2026-08-01T03:00:00Z. The live route and current course of TESS 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 TESS can be seen in the Similar Vessels section above or in the full sar fleet at /vessel-type/tug-pilot-vessel.

  • MMSI: 268239102
  • IMO: 9736559
  • Call sign: T7AH7
  • Vessel type: SAR
  • Flag state: San Marino

Frequently Asked Questions

Where is TESS right now?+
TESS is currently under way in the North Sea, within the English Channel / North Sea corridor. It is sailing from LOWESTOFT to LOWESTOFT with an ETA of 1 Aug 2026, 03:00 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 TESS?+
TESS broadcasts MMSI 268239102 and is registered as IMO 9736559, with call sign T7AH7. 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 TESS?+
TESS is classified as a sar vessel registered under the SM 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 SM flag list at /flag/sm.
How can I see the live position of TESS?+
MarineRadar shows the latest AIS broadcast from TESS 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 TESS'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 TESS?+
As a sar, TESS 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.

TESS — Key Facts

MMSI
268239102
IMO number
9736559
Call sign
T7AH7
Vessel type
SAR
Flag state
SM
Navigation status
Underway Using Engine
Current speed
0.6 knots
Course over ground
343.0°
Heading
7°
Last known position
52.6345°, 2.8828°
Destination
LOWESTOFT
ETA
2026-08-01T03:00:00Z
Departure port
LOWESTOFT
Actual time of departure
2026-07-31T19:40:00Z
Current draught
3 m
Maximum static draught
2.8 m
Dead weight
0 t
AIS last updated
2026-08-09T04:22:24Z