Johanna C
General cargo ship · Portugal · built 2009 · AIS Class A
In short
Johanna C (General cargo ship, Portugal flag) was last seen on AIS on , under way at 13.8 kn, in the Caribbean Sea. 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 PACTB (Cristobal); its reported draught is 6.7 m (voyage report via AISstream.io global terrestrial AIS, received Oct 4, 2026, 06:06 UTC). ISM manager: SMT Shipping (Cyprus) Ltd (source: EU MRV (THETIS-MRV) emissions, reporting years 2024–2025).
- Vessel type
- General cargo ship
- Flag
- Portugal
- Year built
- 2009
- Gross tonnage
- 9,530
- Size (length × beam)
- 138 m × 21 m
- ISM manager
- SMT Shipping (Cyprus) Ltd
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Last reported position
received- Position
- 10.915° N, 75.4458° W
- Area
- Caribbean Sea
- StatusWhat do AIS statuses mean?
- Under way using engine
- Speed
- 13.8 kn
- Course
- 59°
- Heading
- 62°
Voydar detected no port call in the last 30 days.
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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Try the live demo, no sign-upIdentity & particulars
- Name
- Johanna C
- IMO numberWhat is an IMO number?
- 9430131
- MMSIWhat is an MMSI?
- 255915838
- Call signWhat is a call sign?
- CQ2296
- Flag
- Portugal
- Vessel type
- General cargo ship
- AIS ship type
- Cargo
- Gross tonnageGross tonnage vs deadweight
- 9,530
- Deadweight (DWT)
- Source: Wikidata, record Q83638109. Added to Voydar on September 23, 2026. Licence: CC0 1.0.12,947 t
- Length overall
- 138.1 m
- Beam
- 21 m
- 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
- Source: EU MRV (THETIS-MRV) emissions · reporting years 2024–2025 · reported · confidence 0.9 · retrieved Oct 5, 2026
- Builder
- 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 |
|---|---|---|
| Reported departure from DULUTH-SUPERIOR HARBOR, MN AND WIAuthority-reported | USACE foreign traffic vessel entrances & clearances | |
| Reported arrival at DULUTH-SUPERIOR HARBOR, MN AND WIAuthority-reported | USACE foreign traffic vessel entrances & clearances | |
| Reported arrival at MilwaukeeAuthority-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 May 11, 2016merchant-vessel-100-gross-tons-or-overUK MAIB investigation reports (index)Songkhla, Thailand
Accident during cargo operations on general cargo vessel Johanna C with loss of 1 lifeReport published Jan 12, 2017
Location: Songkhla, Thailand.
Source: UK MAIB investigation reports (index). Contains public sector information licensed under the Open Government Licence v3.0. Licence: Open Government Licence v3.0.
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 | 2,895 t | 929 t | 63 days | 195 kg |
| 2019 | 4,024 t | 1,290 t | 138 days | 193 kg |
| 2020 | 976 t | 309 t | 20 days | 179 kg |
| 2021 | 1,221 t | 387 t | 14 days | 277 kg |
| 2024 | 2,914 t | 922 t | 42 days | 253 kg |
| 2025 | 1,974 t | 629 t | 37 days | 204 kg |
Technical efficiency: Not Applicable. 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.
Reported by authorities Authority-reported
| Port | Record | Date (UTC) | Berth | Source |
|---|---|---|---|---|
| DULUTH-SUPERIOR HARBOR, MN AND WI | Departure | Aug 17, 2016(date only) | — | USACE foreign traffic vessel entrances & clearances |
| DULUTH-SUPERIOR HARBOR, MN AND WI | Arrival | Aug 13, 2016(date only) | — | USACE foreign traffic vessel entrances & clearances |
| Milwaukee USMKE | Arrival | Aug 4, 2016(date only) | — | USACE foreign traffic vessel entrances & clearances |
| Cleveland USCLE | Departure | Aug 2, 2016(date only) | — | USACE foreign traffic vessel entrances & clearances |
| Cleveland USCLE | Arrival | Jul 31, 2016(date only) | — | USACE foreign traffic vessel entrances & clearances |
| ELIZABETH RIVER, VA | Departure | Jul 19, 2016(date only) | — | USACE foreign traffic vessel entrances & clearances |
| ELIZABETH RIVER, VA | Arrival | Jul 19, 2016(date only) | — | USACE foreign traffic vessel entrances & clearances |
| DULUTH-SUPERIOR HARBOR, MN AND WI | Departure | May 6, 2015(date only) | — | USACE foreign traffic vessel entrances & clearances |
| DULUTH-SUPERIOR HARBOR, MN AND WI | Arrival | May 3, 2015(date only) | — | USACE foreign traffic vessel entrances & clearances |
| DELAWARE RIVER AT CAMDEN, NJ (INCLUDED IN DELAWARE RIVER, PHILADELPHIA, PA TO THE SEA) | Departure | Jan 22, 2013(date only) | — | USACE foreign traffic vessel entrances & clearances |
| DELAWARE RIVER AT CAMDEN, NJ (INCLUDED IN DELAWARE RIVER, PHILADELPHIA, PA TO THE SEA) | Arrival | Jan 17, 2013(date only) | — | USACE foreign traffic vessel entrances & clearances |
| Port Arthur USPOA | Departure | Oct 12, 2012(date only) | — | USACE foreign traffic vessel entrances & clearances |
Records published by the authority named on each row. Earliest record for this ship: February 21, 2010.
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 Johanna C now?
- Johanna C (General cargo ship, Portugal flag) was last seen on AIS on Oct 4, 2026, 05:46 UTC, under way at 13.8 kn, in the Caribbean Sea. Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report. The crew-entered destination was PACTB (voyage report via AISstream.io global terrestrial AIS, received Oct 4, 2026, 06:06 UTC). This report does not confirm the ship’s current route.
- What kind of ship is Johanna C?
- Johanna C is a general cargo ship sailing under the flag of Portugal, built in 2009 by Jiangsu Yangzijiang Shipbuilding. The vessel is 138.1 m long with a beam of 21 m and has a gross tonnage of 9,530.
- Who is recorded as the owner or manager of Johanna C?
- SMT Shipping (Cyprus) Ltd is recorded as ISM manager for Johanna C (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 Johanna C?
- Voydar has no matched sanctions record displayed for Johanna C 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 Johanna C. Missing records do not establish whether the ship has been detained.
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