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United States flag

Z FOUR — Tug · IMO 9194165

US
World map showing the last known position of Z FOUR at 37° 47.625' N, 122° 18.505' W
NSEW
Current PositionLast report

Z FOUR was last reported in the North Pacific Ocean, at 37.7937° N, 122.3084° W.

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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
Z FOUR

Z FOUR

Identity

Tug
Type
United States flagUS
Flag
9194165
IMO Number
367396710
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 Z FOUR 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 Tugs
See the global fleet of tugs tracked on MarineRadar with live AIS data.

About Z FOUR

Identity · Ownership · Class · Route

Z FOUR — Tug

Z FOUR is a tug registered under the United States of America flag.

Z FOUR route and voyage history

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

Frequently Asked Questions

Where is Z FOUR right now?+
Z FOUR was last reported in the North Pacific Ocean, within the US West 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 Z FOUR?+
Z FOUR broadcasts MMSI 367396710 and is registered as IMO 9194165. 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 Z FOUR?+
Z FOUR is classified as a tug vessel registered under the US flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full tug fleet at /vessel-type/tug-pilot-vessel and full US flag list at /flag/us.
How can I see the live position of Z FOUR?+
MarineRadar shows the latest AIS broadcast from Z FOUR 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 Z FOUR'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 Z FOUR?+
As a tug, Z FOUR sits in the same design class as the other tugs listed in the Similar Vessels section of the vessel page, or in the full tug directory at /vessel-type/tug-pilot-vessel.

Z FOUR — Key Facts

MMSI
367396710
IMO number
9194165
Vessel type
Tug
Flag state
US
Current speed
0.0 knots
Course over ground
0.0°
Last known position
37.7937°, -122.3084°