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Cyprus flag

ACE DEFENDER — Other · IMO 9741279

CYAt anchor
World map showing the last known position of ACE DEFENDER at 22° 51.600' S, 43° 11.004' W
NSEW
Current PositionNo recent signal

ACE DEFENDER has not broadcast an AIS position for 161 days. Its most recent report placed it in the South Atlantic Ocean, at 22.8600° S, 43.1834° W, on 31 Mar 2026, 06:43 UTC. It was sailing from NITEROI to RIO DE JANEIRO.

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Updated 161 days ago using terrestrial data
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At anchor
Current Navigational Status
0.0 kn
Speed
273.0°
/ 323°
Course / Heading
4.6 m
Static Draught
5.2 m
Current Draught

Voyage Tracker

Brazil flag
NITEROIBRNTR
ATD
18:43 UTCMar 24, 2026
ETA
18:44 UTCMar 24, 2026
ACE DEFENDER

ACE DEFENDER

Identity

Other
Type
Cyprus flagCY
Flag
9741279
IMO Number
210512000
MMSI
5BCA6
Call Sign

Specifications

86 m × 19 m
Length × Breadth
2019-01-01
Year Built
4,200 t
Deadweight
3,649 t
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 ACE DEFENDER is part of.

Flag State
All CY-flagged vessels
Browse every ship currently registered under the CY flag, with live AIS positions.
Departure Port
Port of NITEROI
Port traffic, arrivals and live vessel positions for NITEROI (BRNTR).
Destination Port
Port of RIO DE JANEIRO
Arrivals, berth specifications, and live vessel traffic for RIO DE JANEIRO (BRRIO).

About ACE DEFENDER

Identity · Ownership · Class · Route

ACE DEFENDER — Vessel

Built in 2019, with a gross tonnage of 3,649 GT, and a dead weight of 4,200 tonnes, ACE DEFENDER is a maritime vessel registered under the Cyprus flag.

ACE DEFENDER route and voyage history

ACE DEFENDER is currently on a voyage from NITEROI to RIO DE JANEIRO with an estimated arrival on 2026-03-24T18:44:00Z. The live route and current course of ACE DEFENDER 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 ACE DEFENDER can be seen in the Similar Vessels section above.

  • MMSI: 210512000
  • IMO: 9741279
  • Call sign: 5BCA6
  • Flag state: Cyprus

Frequently Asked Questions

Where is ACE DEFENDER right now?+
ACE DEFENDER has not broadcast an AIS position for 161 days. The most recent broadcast placed it in the South Atlantic Ocean, on 31 Mar 2026, 06:43 UTC. It was sailing from NITEROI to RIO DE JANEIRO. 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 ACE DEFENDER?+
ACE DEFENDER broadcasts MMSI 210512000 and is registered as IMO 9741279, with call sign 5BCA6 . 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 ACE DEFENDER?+
ACE DEFENDER is a maritime vessel registered under the CY flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder and full CY flag list at /flag/cy.
How can I see the live position of ACE DEFENDER?+
MarineRadar shows the latest AIS broadcast from ACE DEFENDER 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 ACE DEFENDER'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 ACE DEFENDER?+
The vessel's design class is inferred from its dimensions, gross tonnage and dead weight, all of which are listed in the Identity and Specifications panels on the vessel page. ACE DEFENDER has a gross tonnage of 3,649 GT.

ACE DEFENDER — Key Facts

MMSI
210512000
IMO number
9741279
Call sign
5BCA6
Vessel type
Unknown
Flag state
CY
Navigation status
At anchor
Current speed
0.0 knots
Course over ground
273.0°
Heading
323°
Last known position
-22.8600°, -43.1834°
Destination
RIO DE JANEIRO
ETA
2026-03-24T18:44:00Z
Departure port
NITEROI
Actual time of departure
2026-03-24T18:43:00Z
Current draught
5.2 m
Maximum static draught
4.6 m
Year built
2019-01-01
Gross tonnage
3649
Dead weight
4200 t
AIS last updated
2026-03-31T06:43:00Z