Where is SIGNET THUNDER now?

Voydar has no displayable AIS position for SIGNET THUNDER in this profile. A coverage gap does not establish whether the ship is transmitting or where it is now.

What kind of ship is SIGNET THUNDER?

SIGNET THUNDER is a tug sailing under the flag of United States.

What sanctions and inspection records does Voydar hold for SIGNET THUNDER?

Voydar has no matched sanctions record displayed for SIGNET THUNDER from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels, the New Zealand Russia Sanctions Register and the French national asset-freeze register. Coverage may be incomplete; this is not sanctions clearance. No matched inspection records are displayed for SIGNET THUNDER. Missing records do not establish whether the ship has been detained.

SIGNET THUNDER

Tug · United States · AIS Class A

IMO9253571MMSI369579000Call signWDH4914No AIS position on record

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In short

SIGNET THUNDER (Tug, United States flag) has no AIS position on record with Voydar.

Vessel type: Tug
Flag: United States
Year built: —
Gross tonnage: —
Size (length × beam): —
Registered owner: —

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Last reported position

No AIS position on record for this vessel. Identity and particulars are below.

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Identity & particulars

Name: SIGNET THUNDER
IMO numberWhat is an IMO number?: 9253571
MMSIWhat is an MMSI?: 369579000
Call signWhat is a call sign?: WDH4914
Flag: United States
Vessel type: Tug
Gross tonnageGross tonnage vs deadweight: —
Length overall: —
Beam: —
Year built: —

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 8, 2016	Reported arrival at JACKSONVILLE HARBOR, FLAuthority-reported	USACE foreign traffic vessel entrances & clearances
Jul 15, 2016	Reported arrival at JACKSONVILLE HARBOR, FLAuthority-reported	USACE foreign traffic vessel entrances & clearances
Jul 8, 2016	Reported departure from San JuanAuthority-reported	USACE foreign traffic vessel entrances & clearances

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.

Incidents & investigations Authority-reported

Accident and incident reports by national investigation boards, and casualty warnings, that concern this ship. Each links to the original.

Occurred Jun 8, 2023Towing/BargeNTSB marine investigations (CAROL)Catano, PR, USA
San Juan-Jax Bridge / Signet Thunder, Catano, PR, USA (NTSB DCA23FM035)Report published Oct 24, 2024
The National Transportation Safety Board determines that the probable cause of the contact of the barge San Juan-JAX Bridge with the Army Terminal Pier was miscommunication between the docking pilot and an assist tug captain while docking the barge.

Source: NTSB marine investigations (CAROL). Courtesy: National Transportation Safety Board. Licence: US Government work (17 U.S.C. §105), public domain.

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.

Reported by authorities Authority-reported

Port	Record	Date (UTC)	Berth	Source
JACKSONVILLE HARBOR, FL	Arrival	Sep 8, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
JACKSONVILLE HARBOR, FL	Arrival	Jul 15, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
San Juan PRSJU	Departure	Jul 8, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
JACKSONVILLE HARBOR, FL	Arrival	Jun 30, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
San Juan PRSJU	Departure	Jun 23, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
JACKSONVILLE HARBOR, FL	Arrival	Jun 16, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
San Juan PRSJU	Departure	Jun 9, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
JACKSONVILLE HARBOR, FL	Arrival	Jun 1, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
San Juan PRSJU	Departure	May 26, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
JACKSONVILLE HARBOR, FL	Arrival	May 18, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
San Juan PRSJU	Departure	May 12, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
JACKSONVILLE HARBOR, FL	Arrival	May 5, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances

Records published by the authority named on each row. Earliest record for this ship: April 24, 2008.

Source: US Army Corps of Engineers, Waterborne Commerce Statistics Center (US CBP entrance/clearance records). Licence: US Government work — public domain.

Frequently asked questions

Where is SIGNET THUNDER now?: Voydar has no displayable AIS position for SIGNET THUNDER in this profile. A coverage gap does not establish whether the ship is transmitting or where it is now.
What kind of ship is SIGNET THUNDER?: SIGNET THUNDER is a tug sailing under the flag of United States.
What sanctions and inspection records does Voydar hold for SIGNET THUNDER?: Voydar has no matched sanctions record displayed for SIGNET THUNDER from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels, the New Zealand Russia Sanctions Register and the French national asset-freeze register. Coverage may be incomplete; this is not sanctions clearance. No matched inspection records are displayed for SIGNET THUNDER. Missing records do not establish whether the ship has been detained.

Use this data

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