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Gibraltar flag

BOS THEIA — Tug · IMO 9585742

GIMoored
World map showing the last known position of BOS THEIA at 44° 10.249' N, 28° 39.345' E
NSEW
Current PositionLive

BOS THEIA is currently moored in the Mediterranean Sea, at 44.1708° N, 28.6558° E. It is sailing from CONSTANTA to CONSTANTA with an ETA of 22 Sep 2026, 17:41 UTC. AIS position received 23 Sep 2026, 20:35 UTC.

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Updated 11 minutes ago using terrestrial data
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Moored
Current Navigational Status
0.0 kn
Speed
341.0°
/ 249°
Course / Heading
4.6 m
Static Draught
4.9 m
Current Draught

Voyage Tracker

ATD
10:58 UTCSep 17, 2026
ETA
17:41 UTCSep 22, 2026
BOS THEIA

BOS THEIA

Identity

Tug
Type
Gibraltar flagGI
Flag
9585742
IMO Number
236111872
MMSI
ZDNA9
Call Sign

Specifications

59 m × 14 m
Length × Breadth
2011-01-01
Year Built
1,356 t
Deadweight
1,678 t
Gross Tonnage
3,840 kW
Engine Power
FUJIAN SOUTHEAST SHIPYARD - FUZHOU, CHINA
Builder
RINA SHIPPING REGISTER
Class Society
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Dive into the fleet, port, and flag state that BOS THEIA is part of.

Flag State
All GI-flagged vessels
Browse every ship currently registered under the GI flag, with live AIS positions.
Vessel Type
Browse all Tugs
See the global fleet of tugs tracked on MarineRadar with live AIS data.
Departure Port
Port of CONSTANTA
Port traffic, arrivals and live vessel positions for CONSTANTA (ROCND).

About BOS THEIA

Identity · Ownership · Class · Route

BOS THEIA — Tug

Built in 2011, with a gross tonnage of 1,678 GT, and a dead weight of 1,356 tonnes, BOS THEIA is a tug registered under the Gibraltar flag. The vessel is owned by VROON OFFSHORE ITALIA - GENOVA, ITALY, built by FUJIAN SOUTHEAST SHIPYARD - FUZHOU, CHINA.

BOS THEIA route and voyage history

BOS THEIA is currently on a voyage from CONSTANTA to CONSTANTA with an estimated arrival on 2026-09-22T17:41:00Z. The live route and current course of BOS THEIA 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

BOS THEIA is classed by RINA SHIPPING REGISTER, which inspects the vessel against its safety and structural rules. Vessels in the same class as BOS THEIA can be seen in the Similar Vessels section above or in the full tug fleet at /vessel-type/tug-pilot-vessel.

  • MMSI: 236111872
  • IMO: 9585742
  • Call sign: ZDNA9
  • Vessel type: Tug
  • Flag state: Gibraltar

Frequently Asked Questions

Where is BOS THEIA right now?

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BOS THEIA is currently moored in the Mediterranean Sea. It is sailing from CONSTANTA to CONSTANTA with an ETA of 22 Sep 2026, 17:41 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 BOS THEIA?

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BOS THEIA broadcasts MMSI 236111872 and is registered as IMO 9585742, with call sign ZDNA9 . 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 BOS THEIA?

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BOS THEIA is classified as a tug vessel registered under the GI flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full tug fleet at /vessel-type/tug-pilot-vessel and full GI flag list at /flag/gi.

How can I see the live position of BOS THEIA?

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MarineRadar shows the latest AIS broadcast from BOS THEIA 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 BOS THEIA's position updated?

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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 BOS THEIA?

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BOS THEIA is classed by RINA SHIPPING REGISTER, the classification society responsible for inspecting the vessel against safety, structural and operational rules. As a tug, BOS THEIA sits in the same design class as the other tugs listed in the Similar Vessels section of the vessel page, or in the full tug directory at /vessel-type/tug-pilot-vessel. BOS THEIA has a gross tonnage of 1,678 GT.

BOS THEIA — Key Facts

MMSI
236111872
IMO number
9585742
Call sign
ZDNA9
Vessel type
Tug
Flag state
GI
Navigation status
Moored
Current speed
0.0 knots
Course over ground
341.0°
Heading
249°
Last known position
44.1708°, 28.6558°
Destination
CONSTANTA
ETA
2026-09-22T17:41:00Z
Departure port
CONSTANTA
Actual time of departure
2026-09-17T10:58:00Z
Current draught
4.9 m
Maximum static draught
4.6 m
Year built
2011-01-01
Gross tonnage
1678
Dead weight
1356 t
AIS last updated
2026-09-23T20:35:00Z