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United States flag

ARCTIC — Military Ops · IMO 8644034

USUnder way using engine
World map showing the last known position of ARCTIC at 4° 4.859' S, 39° 44.589' E
NSEW
Current PositionNo recent signal

ARCTIC has not broadcast an AIS position for 69 days. Its most recent report placed it in the Indian Ocean, at 4.0810° S, 39.7432° E, on 1 Jul 2026, 18:25 UTC. It was sailing from MOMBASA to SANTOS.

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Updated 68 days ago using terrestrial data
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Under way using engine
Current Navigational Status
10.6 kn
Speed
96.0°
/ 108°
Course / Heading
11 m
Static Draught
12.2 m
Current Draught

Voyage Tracker

Kenya flag
MOMBASAKEMBA
ATD
17:55 UTCJul 1, 2026
Brazil flag
SANTOSBRSSZ
ETA
17:55 UTCJul 1, 2026
ARCTIC

ARCTIC

Identity

Military Ops
Type
United States flagUS
Flag
8644034
IMO Number
338995000
MMSI
NDRO
Call Sign

Specifications

230 m × 32 m
Length × Breadth
1992-01-01
Year Built
32,774 t
Deadweight
51,629 t
Gross Tonnage
N/A
Engine Power
NASSCO - SAN DIEGO CA, U.S.A.
Builder
N/A
Class Society
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Dive into the fleet, port, and flag state that ARCTIC is part of.

Flag State
All US-flagged vessels
Browse every ship currently registered under the US 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.
Departure Port
Port of MOMBASA
Port traffic, arrivals and live vessel positions for MOMBASA (KEMBA).
Destination Port
Port of SANTOS
Arrivals, berth specifications, and live vessel traffic for SANTOS (BRSSZ).

About ARCTIC

Identity · Ownership · Class · Route

ARCTIC — Military Ops

Built in 1992, with a gross tonnage of 51,629 GT, and a dead weight of 32,774 tonnes, ARCTIC is a military ops registered under the United States of America flag. The vessel is built by NASSCO - SAN DIEGO CA, U.S.A..

ARCTIC route and voyage history

ARCTIC is currently on a voyage from MOMBASA to SANTOS with an estimated arrival on 2026-07-01T17:55:00Z. The live route and current course of ARCTIC 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 ARCTIC 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 ARCTIC right now?+
ARCTIC has not broadcast an AIS position for 69 days. The most recent broadcast placed it in the Indian Ocean, on 1 Jul 2026, 18:25 UTC. It was sailing from MOMBASA to SANTOS. Vessels stop appearing on terrestrial AIS when they move beyond receiver range, so a gap does not necessarily mean the vessel is inactive.
What are the identifiers for ARCTIC?+
ARCTIC broadcasts MMSI 338995000 and is registered as IMO 8644034, with call sign NDRO. 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 ARCTIC?+
ARCTIC is classified as a military ops vessel registered under the US 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 US flag list at /flag/us.
How can I see the live position of ARCTIC?+
MarineRadar shows the latest AIS broadcast from ARCTIC 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 ARCTIC'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 ARCTIC?+
As a military ops, ARCTIC 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. ARCTIC has a gross tonnage of 51,629 GT.

ARCTIC — Key Facts

MMSI
338995000
IMO number
8644034
Call sign
NDRO
Vessel type
Military Ops
Flag state
US
Navigation status
Under way using engine
Current speed
10.6 knots
Course over ground
96.0°
Heading
108°
Last known position
-4.0810°, 39.7432°
Destination
SANTOS
ETA
2026-07-01T17:55:00Z
Departure port
MOMBASA
Actual time of departure
2026-07-01T17:55:00Z
Current draught
12.2 m
Maximum static draught
11 m
Year built
1992-01-01
Gross tonnage
51629
Dead weight
32774 t
AIS last updated
2026-07-01T18:25:00Z