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Australia flag

BW21 — SAR · MMSI 503076590

AU
World map showing the last known position of BW21 at 33° 3.574' S, 151° 39.095' E
NSEW
Current PositionLast report

BW21 was last reported in the Tasman Sea, at 33.0596° S, 151.6516° E.

Show in Map
Updated — using terrestrial data
Live Satellite · latest position

See where BW21 is now

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Unknown
Current Navigational Status
0.0 kn
Speed
0.0°
/ ---
Course / Heading
---
Static Draught
---
Current Draught

Voyage Tracker

N/A
ATD
N/A
N/A
ETA
N/A
BW21

BW21

Identity

SAR
Type
Australia flagAU
Flag
N/A
IMO Number
503076590
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 BW21 is part of.

Flag State
All AU-flagged vessels
Browse every ship currently registered under the AU flag, with live AIS positions.
Vessel Type
Browse all SARs
See the global fleet of sars tracked on MarineRadar with live AIS data.

About BW21

Identity · Ownership · Class · Route

BW21 — SAR

BW21 is a sar registered under the Australia flag.

BW21 route and voyage history

The most recent AIS broadcast from BW21 is shown on the live map above. The live route and current course of BW21 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 BW21 can be seen in the Similar Vessels section above or in the full sar fleet at /vessel-type/tug-pilot-vessel.

Frequently Asked Questions

Where is BW21 right now?+
BW21 was last reported in the Tasman Sea. 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 BW21?+
BW21 broadcasts MMSI 503076590. 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 BW21?+
BW21 is classified as a sar vessel registered under the AU 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 AU flag list at /flag/au.
How can I see the live position of BW21?+
MarineRadar shows the latest AIS broadcast from BW21 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 BW21'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 BW21?+
As a sar, BW21 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.

BW21 — Key Facts

MMSI
503076590
Vessel type
SAR
Flag state
AU
Current speed
0.0 knots
Course over ground
0.0°
Last known position
-33.0596°, 151.6516°