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United Kingdom flag

OTB 04 — Military Ops · IMO 0

GB
World map showing the last known position of OTB 04 at 50° 21.613' N, 4° 10.717' W
NSEW
Current PositionLast report

OTB 04 was last reported in the English Channel, at 50.3602° N, 4.1786° W.

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Updated — using terrestrial data
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See where OTB 04 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
OTB 04

OTB 04

Identity

Military Ops
Type
United Kingdom flagGB
Flag
0
IMO Number
232027847
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 OTB 04 — straight from your phone.

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Dive into the fleet, port, and flag state that OTB 04 is part of.

Flag State
All GB-flagged vessels
Browse every ship currently registered under the GB flag, with live AIS positions.
Vessel Type
Browse all Military Ops
See the global fleet of military ops tracked on MarineRadar with live AIS data.

About OTB 04

Identity · Ownership · Class · Route

OTB 04 — Military Ops

OTB 04 is a military ops registered under the United Kingdom flag.

OTB 04 route and voyage history

The most recent AIS broadcast from OTB 04 is shown on the live map above. The live route and current course of OTB 04 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 OTB 04 can be seen in the Similar Vessels section above or in the full military ops fleet at /vessel-type/military-special.

Frequently Asked Questions

Where is OTB 04 right now?+
OTB 04 was last reported in the English Channel, within the English Channel / North Sea corridor. 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 OTB 04?+
OTB 04 broadcasts MMSI 232027847 and is registered as IMO 0. 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 OTB 04?+
OTB 04 is classified as a military ops vessel registered under the GB flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full military ops fleet at /vessel-type/military-special and full GB flag list at /flag/gb.
How can I see the live position of OTB 04?+
MarineRadar shows the latest AIS broadcast from OTB 04 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 OTB 04'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 OTB 04?+
As a military ops, OTB 04 sits in the same design class as the other military opss listed in the Similar Vessels section of the vessel page, or in the full military ops directory at /vessel-type/military-special.

OTB 04 — Key Facts

MMSI
232027847
IMO number
0
Vessel type
Military Ops
Flag state
GB
Current speed
0.0 knots
Course over ground
0.0°
Last known position
50.3602°, -4.1786°