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Sweden flag

CONSTANTIA — Sailing Vessel · MMSI 265731000

SEClass B
World map showing the last known position of CONSTANTIA at 59° 19.294' N, 18° 4.939' E
NSEW
Current PositionLive

CONSTANTIA is currently under way in the Baltic Sea, at 59.3216° N, 18.0823° E, making 2.0 knots on a course of 121°. It is sailing from SANDHAMN to STOCKHOLM with an ETA of 29 Aug 2026, 14:53 UTC. AIS position received 8 Sep 2026, 13:51 UTC.

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Updated 3 minutes ago using terrestrial data
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Class B
Current Navigational Status
2.0 kn
Speed
120.5°
/ 511°
Course / Heading
---
Static Draught
2 m
Current Draught

Voyage Tracker

ATD
06:06 UTCAug 29, 2026
ETA
14:53 UTCAug 29, 2026
CONSTANTIA

CONSTANTIA

Identity

Sailing Vessel
Type
Sweden flagSE
Flag
N/A
IMO Number
265731000
MMSI
N/A
Call Sign

Specifications

N/A
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 CONSTANTIA is part of.

Flag State
All SE-flagged vessels
Browse every ship currently registered under the SE flag, with live AIS positions.
Vessel Type
Browse all Sailing Vessels
See the global fleet of sailing vessels tracked on MarineRadar with live AIS data.
Departure Port
Port of SANDHAMN
Port traffic, arrivals and live vessel positions for SANDHAMN (SESDM).
Destination Port
Port of STOCKHOLM
Arrivals, berth specifications, and live vessel traffic for STOCKHOLM (SESTO).

About CONSTANTIA

Identity · Ownership · Class · Route

CONSTANTIA — Sailing Vessel

CONSTANTIA is a sailing vessel registered under the Sweden flag.

CONSTANTIA route and voyage history

CONSTANTIA is currently on a voyage from SANDHAMN to STOCKHOLM with an estimated arrival on 2026-08-29T14:53:00Z. The live route and current course of CONSTANTIA 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 CONSTANTIA can be seen in the Similar Vessels section above or in the full sailing vessel fleet at /vessel-type/yacht.

Frequently Asked Questions

Where is CONSTANTIA right now?+
CONSTANTIA is currently under way in the Baltic Sea, within the Baltic Sea trade route. It is sailing from SANDHAMN to STOCKHOLM with an ETA of 29 Aug 2026, 14:53 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 CONSTANTIA?+
CONSTANTIA broadcasts MMSI 265731000. 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 CONSTANTIA?+
CONSTANTIA is classified as a sailing vessel vessel registered under the SE flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full sailing vessel fleet at /vessel-type/yacht and full SE flag list at /flag/se.
How can I see the live position of CONSTANTIA?+
MarineRadar shows the latest AIS broadcast from CONSTANTIA 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 CONSTANTIA'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 CONSTANTIA?+
As a sailing vessel, CONSTANTIA sits in the same design class as the other sailing vessels listed in the Similar Vessels section of the vessel page, or in the full sailing vessel directory at /vessel-type/yacht.

CONSTANTIA — Key Facts

MMSI
265731000
Vessel type
Sailing Vessel
Flag state
SE
Navigation status
Class B
Current speed
2.0 knots
Course over ground
120.5°
Heading
511°
Last known position
59.3216°, 18.0823°
Destination
STOCKHOLM
ETA
2026-08-29T14:53:00Z
Departure port
SANDHAMN
Actual time of departure
2026-08-29T06:06:00Z
Current draught
2 m
AIS last updated
2026-09-08T13:51:55Z