MarineRadar — Home
HubNews & TrendsForumVesselLighthousePort
Sign inDownload
Google PlayApp Store
Download
✕
HubNews & TrendsForumVesselLighthousePort
Sign in
Brazil flag

WS CASTOR — Tug · IMO 9929730

BRNot defined
World map showing the last known position of WS CASTOR at 21° 52.408' S, 41° 0.663' W
NSEW
Current PositionLive

WS CASTOR is currently positioned in the South Atlantic Ocean, at 21.8735° S, 41.0111° W. It is sailing from PORTO DO ACU to PORTO DO ACU with an ETA of 7 Sep 2026, 13:22 UTC. AIS position received 8 Sep 2026, 14:46 UTC.

Show in Map
Updated 27 minutes ago using terrestrial data
Live Satellite · latest position

See where WS CASTOR is now

This fix came from a shore antenna, and those stop at the coast. Use a satellite credit to track this vessel in the deep sea.

$0.99 for 1 satellite position

Get satellite position · $0.99Save up to 60% with credit packs →
Not defined
Current Navigational Status
0.0 kn
Speed
282.0°
/ 185°
Course / Heading
0 m
Static Draught
8.2 m
Current Draught

Voyage Tracker

ATD
12:45 UTCSep 7, 2026
ETA
13:22 UTCSep 7, 2026
WS CASTOR

WS CASTOR

Identity

Tug
Type
Brazil flagBR
Flag
9929730
IMO Number
710006717
MMSI
PU8154
Call Sign

Specifications

25 m × 13 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
Live tracking · 50,000+ mariners

Track WS CASTOR live on MarineRadar

Real-time AIS positions, voyage history, and arrival alerts for WS CASTOR — straight from your phone.

Live AIS positionsVoyage historyArrival alerts
Get the App

4.6 ★ · 18,000 reviews

Similar Vessels

Nearby vessels of the same type

Tug

VICTORY VI

Tug

Tug

OMIDAN 3

Tug

SAR

RNLI LIFEBOAT 16 19

SAR

Dive into the fleet, port, and flag state that WS CASTOR is part of.

Flag State
All BR-flagged vessels
Browse every ship currently registered under the BR 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 PORTO DO ACU
Port traffic, arrivals and live vessel positions for PORTO DO ACU (BRACX).

About WS CASTOR

Identity · Ownership · Class · Route

WS CASTOR — Tug

WS CASTOR is a tug registered under the Brazil flag.

WS CASTOR route and voyage history

WS CASTOR is currently on a voyage from PORTO DO ACU to PORTO DO ACU with an estimated arrival on 2026-09-07T13:22:00Z. The live route and current course of WS CASTOR 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 WS CASTOR can be seen in the Similar Vessels section above or in the full tug fleet at /vessel-type/tug-pilot-vessel.

  • MMSI: 710006717
  • IMO: 9929730
  • Call sign: PU8154
  • Vessel type: Tug
  • Flag state: Brazil

Frequently Asked Questions

Where is WS CASTOR right now?+
WS CASTOR is currently in the South Atlantic Ocean. It is sailing from PORTO DO ACU to PORTO DO ACU with an ETA of 7 Sep 2026, 13:22 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 WS CASTOR?+
WS CASTOR broadcasts MMSI 710006717 and is registered as IMO 9929730, with call sign PU8154 . 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 WS CASTOR?+
WS CASTOR is classified as a tug vessel registered under the BR 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 BR flag list at /flag/br.
How can I see the live position of WS CASTOR?+
MarineRadar shows the latest AIS broadcast from WS CASTOR 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 WS CASTOR'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 WS CASTOR?+
As a tug, WS CASTOR 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.

WS CASTOR — Key Facts

MMSI
710006717
IMO number
9929730
Call sign
PU8154
Vessel type
Tug
Flag state
BR
Navigation status
Not defined
Current speed
0.0 knots
Course over ground
282.0°
Heading
185°
Last known position
-21.8735°, -41.0111°
Destination
PORTO DO ACU
ETA
2026-09-07T13:22:00Z
Departure port
PORTO DO ACU
Actual time of departure
2026-09-07T12:45:00Z
Current draught
8.2 m
Maximum static draught
0 m
Dead weight
0 t
AIS last updated
2026-09-08T14:46:00Z