Question 1

Where is JOANNE C right now?

Accepted Answer

JOANNE C has not broadcast an AIS position for 13 days. The most recent broadcast placed it in the North Pacific Ocean, on 26 Aug 2026, 11:37 UTC. It was sailing from MOBILE to MOBILE. Vessels stop appearing on terrestrial AIS when they move beyond receiver range, so a gap does not necessarily mean the vessel is inactive.

Question 2

What are the identifiers for JOANNE C?

Accepted Answer

JOANNE C broadcasts MMSI 366963850, with call sign WDB8767. 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.

Question 3

What type of ship is JOANNE C?

Accepted Answer

JOANNE C 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.

Question 4

How can I see the live position of JOANNE C?

Accepted Answer

MarineRadar shows the latest AIS broadcast from JOANNE C 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.

Question 5

How often is JOANNE C's position updated?

Accepted Answer

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.

Question 6

What class is JOANNE C?

Accepted Answer

As a tug, JOANNE C 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.

JOANNE C — Tug · MMSI 366963850

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About JOANNE C

JOANNE C — Tug

JOANNE C route and voyage history

Vessel class and identifiers

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JOANNE C — Key Facts