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Australia flag

REEF EXPLORER — Passenger · MMSI 503488900

AUClass B
World map showing the last known position of REEF EXPLORER at 20° 17.594' S, 148° 47.181' E
NSEW
Current PositionLast report

REEF EXPLORER was last reported in the Coral Sea, at 20.2932° S, 148.7863° E, on 8 Sep 2026, 07:29 UTC. It was sailing from HAMILTON ISLAND to SHUTE HARBOUR with an ETA of 7 Sep 2026, 02:15 UTC.

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Updated 8 hours ago using terrestrial data
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Class B
Current Navigational Status
0.0 kn
Speed
0.0°
/ 318°
Course / Heading
---
Static Draught
2 m
Current Draught

Voyage Tracker

ATD
02:15 UTCSep 7, 2026
ETA
02:15 UTCSep 7, 2026
REEF EXPLORER

REEF EXPLORER

Identity

Passenger
Type
Australia flagAU
Flag
N/A
IMO Number
503488900
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 REEF EXPLORER 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 Passengers
See the global fleet of passengers tracked on MarineRadar with live AIS data.
Departure Port
Port of HAMILTON ISLAND
Port traffic, arrivals and live vessel positions for HAMILTON ISLAND (AUHTI).
Destination Port
Port of SHUTE HARBOUR
Arrivals, berth specifications, and live vessel traffic for SHUTE HARBOUR (AUJHQ).

About REEF EXPLORER

Identity · Ownership · Class · Route

REEF EXPLORER — Passenger

REEF EXPLORER is a passenger registered under the Australia flag.

REEF EXPLORER route and voyage history

REEF EXPLORER is currently on a voyage from HAMILTON ISLAND to SHUTE HARBOUR with an estimated arrival on 2026-09-07T02:15:00Z. The live route and current course of REEF EXPLORER 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 REEF EXPLORER can be seen in the Similar Vessels section above or in the full passenger fleet at /vessel-type/passenger.

Frequently Asked Questions

Where is REEF EXPLORER right now?+
REEF EXPLORER was last reported in the Coral Sea, on 8 Sep 2026, 07:29 UTC. It was sailing from HAMILTON ISLAND to SHUTE HARBOUR with an ETA of 7 Sep 2026, 02:15 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 REEF EXPLORER?+
REEF EXPLORER broadcasts MMSI 503488900. 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 REEF EXPLORER?+
REEF EXPLORER is classified as a passenger vessel registered under the AU flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full passenger fleet at /vessel-type/passenger and full AU flag list at /flag/au.
How can I see the live position of REEF EXPLORER?+
MarineRadar shows the latest AIS broadcast from REEF EXPLORER 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 REEF EXPLORER'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 REEF EXPLORER?+
As a passenger, REEF EXPLORER sits in the same design class as the other passengers listed in the Similar Vessels section of the vessel page, or in the full passenger directory at /vessel-type/passenger.

REEF EXPLORER — Key Facts

MMSI
503488900
Vessel type
Passenger
Flag state
AU
Navigation status
Class B
Current speed
0.0 knots
Course over ground
0.0°
Heading
318°
Last known position
-20.2932°, 148.7863°
Destination
SHUTE HARBOUR
ETA
2026-09-07T02:15:00Z
Departure port
HAMILTON ISLAND
Actual time of departure
2026-09-07T02:15:00Z
Current draught
2 m
AIS last updated
2026-09-08T07:29:13Z