What kind of ship is Costanza M?

Costanza M is an oil tanker sailing under the flag of Italy, built in 2009 by Constanța Shipyard. The vessel is 180 m long and has a gross tonnage of 25,864.

Who is recorded as the owner or manager of Costanza M?

Augusta Due Srl is recorded as ISM manager for Costanza M (source: EU MRV (THETIS-MRV) emissions; reporting years 2024–2025). This source record does not independently confirm today’s ownership or management.

What sanctions and inspection records does Voydar hold for Costanza M?

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

Costanza M

Oil tanker · Italy · built 2009 · AIS Class A

IMO9436680MMSI247258500Call signIBGGLast AIS position Sep 30, 2026, 09:40 UTC

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In short

Costanza M (Oil tanker, Italy flag) was last seen on AIS on Sep 30, 2026, 09:40 UTC, under way at 12.7 kn, in the North Atlantic Ocean. Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report. Its crew-entered AIS destination is NL AMS (Amsterdam); its reported draught is 7.4 m (voyage report via AISstream.io global terrestrial AIS, received Sep 30, 2026, 06:32 UTC). ISM manager: Augusta Due Srl (source: EU MRV (THETIS-MRV) emissions, reporting years 2024–2025).

Current voyage: from Las Palmas de Gran Canaria (departed Sep 26, 2026, 18:32 UTC) to NL AMS (Amsterdam)

Vessel type: Oil tanker
Flag: Italy
Year built: 2009
Gross tonnage: 25,864
Size (length × beam): 180 m
ISM manager: Augusta Due Srl

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Last reported position

received Sep 30, 2026, 09:40 UTC

Position: 29.0564° N, 15.4239° W
Area: North Atlantic Ocean
StatusWhat do AIS statuses mean?: Under way using engine
Speed: 12.7 kn
Course: 25°
Heading: 24°

29.0564° N, 15.4239° W

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Last 30 days: 1 port call (Las Palmas de Gran Canaria).

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: Costanza M
IMO numberWhat is an IMO number?: 9436680
MMSIWhat is an MMSI?: 247258500
Call signWhat is a call sign?: IBGG
Flag: Italy
Vessel type: Detailed type from EU MRV (THETIS-MRV) emissionsOil tanker
AIS ship type: Tanker
Gross tonnageGross tonnage vs deadweight: 25,864
Length overall: 180 m
Beam: —
Year built: 2009

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.

ISM manager: Augusta Due Srl
Source: EU MRV (THETIS-MRV) emissions · reporting years 2024–2025 · reported · confidence 0.9 · retrieved Sep 28, 2026
Builder: Constanța Shipyard
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
Sep 26, 2026, 18:32 UTC	Left Las Palmas de Gran CanariaAIS-detected	Voydar port-call detector (AIS geofence)
Sep 24, 2026, 02:32 UTC	Arrived at Las Palmas de Gran CanariaAIS-detected	Voydar port-call detector (AIS geofence)
Nov 22, 2011	Reported departure from PORT OF SOUTH LOUISIANA (LA)Authority-reported	USACE foreign traffic vessel entrances & clearances
Nov 19, 2011	Reported arrival at New OrleansAuthority-reported	USACE foreign traffic vessel entrances & clearances
Nov 10, 2011	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.

Emissions & fuel consumption

Independently verified annual figures reported under the EU MRV regulation — public environmental data the incumbents don't surface.

Year	CO₂ emitted	Fuel burned	Time at sea	CO₂ / n mile
2018	17,471 t	5,575 t	245 days	464 kg
2019	12,711 t	4,054 t	215 days	355 kg
2020	14,021 t	4,459 t	162 days	386 kg
2021	13,663 t	4,346 t	161 days	394 kg
2022	12,566 t	4,002 t	122 days	426 kg
2023	14,875 t	4,745 t	234 days	404 kg
2024	13,040 t	4,157 t	222 days	375 kg
2025	14,542 t	4,583 t	151 days	379 kg

Technical efficiency: EEXI (5.53 gCO₂/t·nm). Source: European Commission / EMSA THETIS-MRV (EU Regulation 2015/757). Covers voyages to, from and within the EU/EEA.

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
Las Palmas de Gran Canaria ESLPA	Sep 24, 2026, 02:32 UTC	Sep 26, 2026, 18:32 UTC	2 d 16 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.

Reported by authorities Authority-reported

Port	Record	Date (UTC)	Berth	Source
PORT OF SOUTH LOUISIANA (LA)	Departure	Nov 22, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
New Orleans USMSY	Arrival	Nov 19, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
New York USNYC	Departure	Nov 10, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
New York USNYC	Arrival	Nov 4, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)	Departure	Sep 25, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)	Arrival	Sep 24, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
YABUCOA HARBOR, PR	Departure	Sep 8, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
YABUCOA HARBOR, PR	Arrival	Sep 8, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
YABUCOA HARBOR, PR	Departure	Aug 29, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
YABUCOA HARBOR, PR	Arrival	Aug 28, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
PORT HESS ST. CROIX ISLAND, VI	Departure	Aug 27, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
PORT HESS ST. CROIX ISLAND, VI	Arrival	Aug 27, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances

Records published by the authority named on each row. Earliest record for this ship: August 28, 2010.

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

Behaviour at sea Voydar-derived

Patterns Voydar derived from this ship's AIS broadcasts. They are inferences, not reports: each one shows how it was computed and how confident we are, and none of them says why a ship behaved this way.

When	What we observed	Confidence
Sep 26, 2026, 11:07 UTC	Draught change Reported draught went from 9.6 m to 6.9 m while in port at Las Palmas de Gran Canaria. Voydar infers the ship probably discharged cargo. Method seadar.behaviour.draught_change v1	High (75%)

When

What we observed

Confidence

Sep 26, 2026, 11:07 UTC

Draught change

Reported draught went from 9.6 m to 6.9 m while in port at Las Palmas de Gran Canaria. Voydar infers the ship probably discharged cargo.

Method seadar.behaviour.draught_change v1

High (75%)

Source: AISstream.io global terrestrial AIS. AIS data: AISstream.io. Licence: none published.

Derived from AIS positions of feeds whose terms allow display on Voydar. Coverage is terrestrial: gaps are reported only where our receivers kept hearing other ships. Detections below medium confidence are not shown.

How these are computed →

Frequently asked questions

Where is Costanza M now?: Costanza M (Oil tanker, Italy flag) was last seen on AIS on Sep 30, 2026, 09:40 UTC, under way at 12.7 kn, in the North Atlantic Ocean. Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report. The crew-entered destination was NL AMS (voyage report via AISstream.io global terrestrial AIS, received Sep 30, 2026, 06:32 UTC). This report does not confirm the ship’s current route.
What kind of ship is Costanza M?: Costanza M is an oil tanker sailing under the flag of Italy, built in 2009 by Constanța Shipyard. The vessel is 180 m long and has a gross tonnage of 25,864.
Who is recorded as the owner or manager of Costanza M?: Augusta Due Srl is recorded as ISM manager for Costanza M (source: EU MRV (THETIS-MRV) emissions; reporting years 2024–2025). This source record does not independently confirm today’s ownership or management.
What sanctions and inspection records does Voydar hold for Costanza M?: Voydar has no matched sanctions record displayed for Costanza M 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 Costanza M. Missing records do not establish whether the ship has been detained.

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