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WATER BUS IV — Port Tender · MMSI 503710300

AU
World map showing the last known position of WATER BUS IV at 10° 35.247' S, 142° 13.179' E
NSEW
Current PositionLast report

WATER BUS IV was last reported in the Coral Sea, at 10.5875° S, 142.2197° E.

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Updated — using terrestrial data
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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
WATER BUS IV

WATER BUS IV

Identity

Port Tender
Type
Australia flagAU
Flag
N/A
IMO Number
503710300
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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Real-time AIS positions, voyage history, and arrival alerts for WATER BUS IV — straight from your phone.

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Dive into the fleet, port, and flag state that WATER BUS IV is part of.

Flag State
All AU-flagged vessels
Browse every ship currently registered under the AU flag, with live AIS positions.

About WATER BUS IV

Identity · Ownership · Class · Route

WATER BUS IV — Port Tender

WATER BUS IV is a port tender registered under the Australia flag.

WATER BUS IV route and voyage history

The most recent AIS broadcast from WATER BUS IV is shown on the live map above. The live route and current course of WATER BUS IV 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 WATER BUS IV can be seen in the Similar Vessels section above.

Frequently Asked Questions

Where is WATER BUS IV right now?+
WATER BUS IV was last reported in the Coral 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 WATER BUS IV?+
WATER BUS IV broadcasts MMSI 503710300. 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 WATER BUS IV?+
WATER BUS IV is classified as a port tender vessel registered under the AU flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder and full AU flag list at /flag/au.
How can I see the live position of WATER BUS IV?+
MarineRadar shows the latest AIS broadcast from WATER BUS IV 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 WATER BUS IV'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 WATER BUS IV?+
As a port tender, WATER BUS IV sits in the same design class as the other port tenders listed in the Similar Vessels section of the vessel page.

WATER BUS IV — Key Facts

MMSI
503710300
Vessel type
Port Tender
Flag state
AU
Current speed
0.0 knots
Course over ground
0.0°
Last known position
-10.5875°, 142.2197°