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Hong Kong SAR China flag

CHALLENGE PRELUDE — Tanker · IMO 9333278

HK
World map showing the last known position of CHALLENGE PRELUDE at 45° 26.570' N, 151° 9.757' E
NSEW
Current PositionLast report

CHALLENGE PRELUDE was last reported in the North Pacific Ocean, at 45.4428° N, 151.1626° 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
CHALLENGE PRELUDE

CHALLENGE PRELUDE

Identity

Tanker
Type
Hong Kong SAR China flagHK
Flag
9333278
IMO Number
477858900
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 CHALLENGE PRELUDE is part of.

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

About CHALLENGE PRELUDE

Identity · Ownership · Class · Route

CHALLENGE PRELUDE — Tanker

CHALLENGE PRELUDE is a tanker registered under the Hong Kong flag.

CHALLENGE PRELUDE route and voyage history

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

Frequently Asked Questions

Where is CHALLENGE PRELUDE right now?+
CHALLENGE PRELUDE was last reported in the North Pacific Ocean. 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 CHALLENGE PRELUDE?+
CHALLENGE PRELUDE broadcasts MMSI 477858900 and is registered as IMO 9333278. 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 CHALLENGE PRELUDE?+
CHALLENGE PRELUDE is classified as a tanker vessel registered under the HK flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full tanker fleet at /vessel-type/tanker and full HK flag list at /flag/hk.
How can I see the live position of CHALLENGE PRELUDE?+
MarineRadar shows the latest AIS broadcast from CHALLENGE PRELUDE 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 CHALLENGE PRELUDE'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 CHALLENGE PRELUDE?+
As a tanker, CHALLENGE PRELUDE sits in the same design class as the other tankers listed in the Similar Vessels section of the vessel page, or in the full tanker directory at /vessel-type/tanker.

CHALLENGE PRELUDE — Key Facts

MMSI
477858900
IMO number
9333278
Vessel type
Tanker
Flag state
HK
Current speed
0.0 knots
Course over ground
0.0°
Last known position
45.4428°, 151.1626°