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

What kind of ship is Heron?

Heron is a ship, built in 1975. The vessel is 182 m long with a beam of 29.1 m and has a gross tonnage of 25,919.

Who is recorded as the owner or manager of Heron?

J. Ludwig Mowinckels Rederi is recorded as Registered owner for Heron (source: Wikidata). This source record does not independently confirm today’s ownership or management.

What sanctions and inspection records does Voydar hold for Heron?

Voydar has no matched sanctions record displayed for Heron 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. No matched inspection records are displayed for Heron. Missing records do not establish whether the ship has been detained.

Heron

ship · built 1975

IMO7380760No AIS position on record

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In short

Heron (ship) has no AIS position on record with Voydar. Registered owner: J. Ludwig Mowinckels Rederi (source: Wikidata).

Vessel type: ship
Flag: —
Year built: 1975
Gross tonnage: 25,919
Size (length × beam): 182 m × 29 m
Registered owner: J. Ludwig Mowinckels Rederi

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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: Heron
IMO numberWhat is an IMO number?: 7380760
MMSIWhat is an MMSI?: —
Call signWhat is a call sign?: —
Flag: —
Vessel type: ship
Gross tonnageGross tonnage vs deadweight: 25,919
Deadweight (DWT): Source: Wikidata, record Q122643275. Added to Voydar on September 23, 2026. Licence: CC0 1.0.38,633 t
Length overall: 182 m
Beam: 29.1 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.

Registered owner: J. Ludwig Mowinckels Rederi
Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 2026

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
Jan 19, 2012	Reported departure from New HavenAuthority-reported	USACE foreign traffic vessel entrances & clearances
Jan 19, 2012	Reported arrival at New HavenAuthority-reported	USACE foreign traffic vessel entrances & clearances
Jan 16, 2012	Reported departure from New YorkAuthority-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
New Haven USHVN	Departure	Jan 19, 2012(date only)	—	USACE foreign traffic vessel entrances & clearances
New Haven USHVN	Arrival	Jan 19, 2012(date only)	—	USACE foreign traffic vessel entrances & clearances
New York USNYC	Departure	Jan 16, 2012(date only)	—	USACE foreign traffic vessel entrances & clearances
New York USNYC	Arrival	Jan 14, 2012(date only)	—	USACE foreign traffic vessel entrances & clearances
PORT OF PLAQUEMINES, LA	Departure	Nov 9, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
PORT OF PLAQUEMINES, LA	Arrival	Nov 8, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
Charleston USCHS	Departure	Nov 2, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
Charleston USCHS	Arrival	Nov 1, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
PISCATAQUA RIVER, ME AND NEW HAMPSHIRE	Departure	Sep 24, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
PISCATAQUA RIVER, ME AND NEW HAMPSHIRE	Arrival	Sep 24, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
New York USNYC	Departure	Aug 14, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
New York USNYC	Arrival	Aug 13, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances

Records published by the authority named on each row. Earliest record for this ship: January 16, 2002.

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 Heron now?: Voydar has no displayable AIS position for Heron in this profile. A coverage gap does not establish whether the ship is transmitting or where it is now.
What kind of ship is Heron?: Heron is a ship, built in 1975. The vessel is 182 m long with a beam of 29.1 m and has a gross tonnage of 25,919.
Who is recorded as the owner or manager of Heron?: J. Ludwig Mowinckels Rederi is recorded as Registered owner for Heron (source: Wikidata). This source record does not independently confirm today’s ownership or management.
What sanctions and inspection records does Voydar hold for Heron?: Voydar has no matched sanctions record displayed for Heron 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. No matched inspection records are displayed for Heron. Missing records do not establish whether the ship has been detained.

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