Where is Mariner III now?

Mariner III (Reserved, United States flag) was last seen on AIS on Oct 1, 2026, 15:41 UTC, moored, near Hoboken (North Atlantic Ocean). The crew-entered destination was NVC (voyage report via AISstream.io global terrestrial AIS, received Oct 1, 2026, 15:17 UTC). This report does not confirm the ship’s current route.

What kind of ship is Mariner III?

Mariner III is a reserved sailing under the flag of United States, built in 1975. The vessel is 37 m long with a beam of 6 m and has a gross tonnage of 16,342.

What sanctions and inspection records does Voydar hold for Mariner III?

Voydar has no matched sanctions record displayed for Mariner III from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels and the New Zealand Russia Sanctions Register. Coverage may be incomplete; this is not sanctions clearance. Mariner III has 13 recorded Port State Control inspections. Detention and deficiency detail is not recorded for these inspections.

Mariner III

Reserved · United States · built 1975 · AIS Class A

IMO7374618MMSI367725750Call signWDI7140Last AIS position Oct 1, 2026, 15:41 UTC

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In short

Mariner III (Reserved, United States flag) was last seen on AIS on Oct 1, 2026, 15:41 UTC, moored, near Hoboken (North Atlantic Ocean). Its crew-entered AIS destination is NVC; its reported draught is 0.7 m (voyage report via AISstream.io global terrestrial AIS, received Oct 1, 2026, 15:17 UTC).

Current voyage: from Croxton (departed Sep 19, 2026, 21:24 UTC) to NVC

Vessel type: Reserved
Flag: United States
Year built: 1975
Gross tonnage: 16,342
Size (length × beam): 37 m × 6 m
Registered owner: —

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Last reported position

received Oct 1, 2026, 15:41 UTC

Position: 40.7965° N, 73.9037° W
Area: North Atlantic Ocean
StatusWhat do AIS statuses mean?: Moored
Speed: 12.4 kn
Course: 60°
Heading: —

40.7965° N, 73.9037° W

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Last 30 days: 2 port calls (Croxton).

Port calls are detected by Voydar from AIS (at least 30 minutes slow inside a harbour area); see Port calls below.

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Identity & particulars

Name: Mariner III
IMO numberWhat is an IMO number?: 7374618
MMSIWhat is an MMSI?: 367725750
Call signWhat is a call sign?: WDI7140
Flag: United States
Vessel type: Reserved
Gross tonnageGross tonnage vs deadweight: 16,342
Length overall: 37 m
Beam: 6 m
Year built: 1975

A tag next to a value names the register that supplied it (hover or tap it for the record and date). Values without a tag come from the ship's own AIS broadcasts or from Wikidata. Position and identity are derived live from AIS.

Ownership & management

Each line shows where the fact comes from. Links backed by an identifier point to the company page.

No owner, operator or manager is recorded for this vessel yet.

Timeline

Dated events for this ship from every source Voydar holds, newest first. Each line names its source; derived items say how they were derived.

Date	Event	Source
Sep 19, 2026, 21:24 UTC	Left CroxtonAIS-detected	Voydar port-call detector (AIS geofence)
Sep 19, 2026, 00:53 UTC	Arrived at CroxtonAIS-detected	Voydar port-call detector (AIS geofence)
Sep 13, 2026, 21:54 UTC	Left CroxtonAIS-detected	Voydar port-call detector (AIS geofence)
Sep 10, 2026, 22:34 UTC	Arrived at CroxtonAIS-detected	Voydar port-call detector (AIS geofence)
Sep 18, 1998	Inspection at New Orleans, Louisiana	USCG PSIX / CGMIX inspections
Sep 12, 1996	Inspection at New Orleans, Louisiana	USCG PSIX / CGMIX inspections
Sep 26, 1995	Inspection at MIAMI, Florida	USCG PSIX / CGMIX inspections
Sep 20, 1995	Inspection at Tampa, Florida	USCG PSIX / CGMIX inspections
Sep 13, 1994	Inspection at WASHINGTON, District of Columbia	USCG PSIX / CGMIX inspections
Sep 6, 1994	Inspection at Tampa, Florida	USCG PSIX / CGMIX inspections
Sep 6, 1994	Inspection at Tampa, Florida	USCG PSIX / CGMIX inspections
Feb 17, 1994	Inspection at Mobile, Alabama	USCG PSIX / CGMIX inspections
Jun 25, 1993	Inspection at CLEVELAND, Ohio	USCG PSIX / CGMIX inspections
Jun 22, 1993	Inspection at Duluth, Minnesota	USCG PSIX / CGMIX inspections

Owner, operator and manager changes found by comparing yearly EU MRV reports are dated to the reporting year ("during 2025"), not to a day. Port calls here are the most recent only; the full lists are further down.

Safety & inspections

Inspections

not recorded

Detentions

Deficiencies

Date	Type	Port	Findings
Sep 18, 1998	Vessel Inspection	New Orleans, Louisiana	clean
Sep 12, 1996	Vessel Inspection	New Orleans, Louisiana	clean
Sep 26, 1995	Enforcement	MIAMI, Florida	clean
Sep 20, 1995	Vessel Inspection	Tampa, Florida	clean
Sep 13, 1994	Incident Investigation	WASHINGTON, District of Columbia	clean
Sep 6, 1994	Vessel Inspection	Tampa, Florida	clean
Sep 6, 1994	Vessel Inspection	Tampa, Florida	clean
Feb 17, 1994	Vessel Transfer Monitor	Mobile, Alabama	clean
Jun 25, 1993	Enforcement	CLEVELAND, Ohio	clean
Jun 22, 1993	Vessel Transfer Monitor	Duluth, Minnesota	clean
Oct 30, 1992	Vessel Inspection	CORPUS CHRISTI, Texas	clean
Jun 22, 1991	Vessel Transfer Monitor	Jacksonville, Florida	clean
Nov 21, 1990	Vessel Inspection	New Orleans, Louisiana	clean

Source: U.S. Coast Guard Port State Information Exchange (PSIX) — public domain. Covers inspections recorded in U.S. waters. Free on Voydar; the incumbents charge for this.

Port calls

Two kinds of evidence, kept apart: calls Voydar detected from the ship's AIS positions, and arrivals and departures published by port authorities and customs records.

Detected from AIS AIS-detected

Port	Arrived	Departed	Time in port
Croxton USV7X	Sep 19, 2026, 00:53 UTC	Sep 19, 2026, 21:24 UTC	20 h 31 min
Croxton USV7X	Sep 10, 2026, 22:34 UTC	Sep 13, 2026, 21:54 UTC	2 d 23 h

Detected by Voydar when the ship's AIS positions stayed slow inside a harbour area. Calls shorter than 30 minutes are not shown. Depends on AIS reception; detection started on June 8, 2026.

Frequently asked questions

Where is Mariner III now?: Mariner III (Reserved, United States flag) was last seen on AIS on Oct 1, 2026, 15:41 UTC, moored, near Hoboken (North Atlantic Ocean). The crew-entered destination was NVC (voyage report via AISstream.io global terrestrial AIS, received Oct 1, 2026, 15:17 UTC). This report does not confirm the ship’s current route.
What kind of ship is Mariner III?: Mariner III is a reserved sailing under the flag of United States, built in 1975. The vessel is 37 m long with a beam of 6 m and has a gross tonnage of 16,342.
What sanctions and inspection records does Voydar hold for Mariner III?: Voydar has no matched sanctions record displayed for Mariner III from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels and the New Zealand Russia Sanctions Register. Coverage may be incomplete; this is not sanctions clearance. Mariner III has 13 recorded Port State Control inspections. Detention and deficiency detail is not recorded for these inspections.

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