Where is Hercules now?

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

What kind of ship is Hercules?

Hercules is an offshore supply vessel sailing under the flag of United States, built in 2016. The vessel is 87 m long with a beam of 18 m and has a gross tonnage of 4,092.

What sanctions and inspection records does Voydar hold for Hercules?

Voydar has no matched sanctions record displayed for Hercules 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 Hercules. Missing records do not establish whether the ship has been detained.

Hercules

Offshore supply vessel · United States · built 2016 · AIS Class A

IMO9677923MMSI338748000Call signWDH5811No AIS position on record

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In short

Hercules (Offshore supply vessel, United States flag) has no AIS position on record with Voydar. Managing owner (USCG): TIDEWATER AMERICA LLC (source: US Coast Guard — Merchant Vessels of the United States (documented vessels)).

Vessel type: Offshore supply vessel
Flag: United States
Year built: 2016
Gross tonnage: 4,092
Size (length × beam): 87 m × 18 m
Managing owner (USCG): TIDEWATER AMERICA LLC

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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: Hercules
IMO numberWhat is an IMO number?: 9677923
MMSIWhat is an MMSI?: 338748000
Call signWhat is a call sign?: WDH5811
Flag: United States
Vessel type: Detailed type from WikidataOffshore supply vessel
AIS ship type: Other
Gross tonnageGross tonnage vs deadweight: 4,092
Deadweight (DWT): Source: Wikidata, record Q117110397. Added to Voydar on September 23, 2026. Licence: CC0 1.0.5,300 t
Length overall: 87 m
Beam: 18 m
Year built: 2016

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.

Managing owner (USCG): TIDEWATER AMERICA LLC(not linked to a company record)
Source: US Coast Guard — Merchant Vessels of the United States (documented vessels) · reported · confidence 0.9 · retrieved Oct 6, 2026Coast Guard documentation record (2026-09 file) matched to this ship by IMO number and call sign. The managing owner is the company the Coast Guard has on record for the ship's certificate of documentation.
Ship radio licensee (FCC): Tidewater America, LLC(not linked to a company record)
Source: FCC Universal Licensing System — ship station licences · since 2024 · reported · confidence 0.9 · retrieved Oct 6, 2026Licence matched to this ship by MMSI and call sign. The licensee holds the radio licence; it is not necessarily the owner.

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
Dec 3, 2016	Reported arrival at GREATER LAFOURCHE PORT COMMISSION (PORT FOURCHON)Authority-reported	USACE foreign traffic vessel entrances & clearances
Oct 13, 2016	Reported arrival at GREATER LAFOURCHE PORT COMMISSION (PORT FOURCHON)Authority-reported	USACE foreign traffic vessel entrances & clearances
Oct 10, 2016	Reported departure from GREATER LAFOURCHE PORT COMMISSION (PORT FOURCHON)Authority-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.

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
GREATER LAFOURCHE PORT COMMISSION (PORT FOURCHON)	Arrival	Dec 3, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
GREATER LAFOURCHE PORT COMMISSION (PORT FOURCHON)	Arrival	Oct 13, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
GREATER LAFOURCHE PORT COMMISSION (PORT FOURCHON)	Departure	Oct 10, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
GREATER LAFOURCHE PORT COMMISSION (PORT FOURCHON)	Arrival	Oct 10, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
GREATER LAFOURCHE PORT COMMISSION (PORT FOURCHON)	Departure	Oct 8, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
GREATER LAFOURCHE PORT COMMISSION (PORT FOURCHON)	Arrival	Sep 8, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances

Records published by the authority named on each row. Earliest record for this ship: September 8, 2016.

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 Hercules now?: Voydar has no displayable AIS position for Hercules in this profile. A coverage gap does not establish whether the ship is transmitting or where it is now.
What kind of ship is Hercules?: Hercules is an offshore supply vessel sailing under the flag of United States, built in 2016. The vessel is 87 m long with a beam of 18 m and has a gross tonnage of 4,092.
Who is recorded as the owner or manager of Hercules?: TIDEWATER AMERICA LLC is recorded as Managing owner (USCG) for Hercules (source: US Coast Guard — Merchant Vessels of the United States (documented vessels)). This source record does not independently confirm today’s ownership or management.
What sanctions and inspection records does Voydar hold for Hercules?: Voydar has no matched sanctions record displayed for Hercules 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 Hercules. Missing records do not establish whether the ship has been detained.

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