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United States flag

BIG DOG · MMSI 338223571

US
World map showing the last known position of BIG DOG at 38° 46.482' N, 76° 33.834' W
NSEW
Current PositionLast report

BIG DOG was last reported in the North Atlantic Ocean, at 38.7747° N, 76.5639° W.

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

See where BIG DOG 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
BIG DOG

BIG DOG

Identity

N/A
Type
United States flagUS
Flag
N/A
IMO Number
338223571
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
Live tracking · 50,000+ mariners

Track BIG DOG live on MarineRadar

Real-time AIS positions, voyage history, and arrival alerts for BIG DOG — straight from your phone.

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Dive into the fleet, port, and flag state that BIG DOG is part of.

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

About BIG DOG

Identity · Ownership · Class · Route

BIG DOG — Vessel

BIG DOG is a maritime vessel registered under the United States of America flag.

BIG DOG route and voyage history

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

Frequently Asked Questions

Where is BIG DOG right now?+
BIG DOG was last reported in the North Atlantic Ocean, within the US East Coast shipping lane. 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 BIG DOG?+
BIG DOG broadcasts MMSI 338223571. 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 BIG DOG?+
BIG DOG is a maritime vessel registered under the US flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder and full US flag list at /flag/us.
How can I see the live position of BIG DOG?+
MarineRadar shows the latest AIS broadcast from BIG DOG 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 BIG DOG'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 BIG DOG?+
The vessel's design class is inferred from its dimensions, gross tonnage and dead weight, all of which are listed in the Identity and Specifications panels on the vessel page.

BIG DOG — Key Facts

MMSI
338223571
Vessel type
Unknown
Flag state
US
Current speed
0.0 knots
Course over ground
0.0°
Last known position
38.7747°, -76.5639°