Oil tanker · Greece flag · built 2016
MARAN ARIADNE: CO₂ emissions 2025
IMO 9770517 EU ETS
- CO₂ reported 2025
- 6,613 t
- Fuel burned
- 2,116 t
- Distance
- 9,234 nm
- Time at sea
- 752 h
- Emitted at berth
- 9% of total
- Share of year under way
- 9%
- Gross tonnage
- 161,287
MARAN ARIADNE against its type
Built in 2016, it is 6 years newer than the median oil tanker on this register, which was built in 2010 (2,896 vessels with a known build year). At 161,287 gross tonnage it is larger than 95% of the other 2,841 oil tankers with a recorded tonnage. It is one of 215 oil tankers here under the Greece flag, 6.1% of the 3,548 on the register. The same builder is recorded for 660 other vessels here, 159 of them oil tankers.
Its 6,613 t of CO₂ for 2025 is 17% below the median of 7,922 t among the 1,704 oil tankers on this register that reported for 2025. Per nautical mile it emitted 716.1 kg CO₂, 1.8 times the type median of 403.2 kg. It logged 752 hours at sea against a median of 2,030 hours for its type that year. 8.9% of its 2025 emissions were at berth; the median for oil tankers was 7.8%. Of the 8 sister ships listed below with a 2025 return, 8 reported a lower CO₂ per nautical mile than this vessel.
Emissions by year2025–2025
| Year | CO₂ (t) | Fuel (t) | Distance (nm) | At sea (h) | At berth (t) | kg CO₂/nm | EEOI | Percentile |
|---|---|---|---|---|---|---|---|---|
| 2025 | 6,613 | 2,116 | 9,234 | 752 | 589 | 716.1 | 4.5 | 11 |
Vessel particulars
- IMO number
- 9770517
- Ship type
- Oil tanker
- Gross tonnage
- 161,287
- Length overall
- 336.0 m
- Year built
- 2016
- Flag state
- Greece per EU MRV 2025
- Builder
- Hanwha Ocean
- Port of registry
- Piraeus MRV 2025
- Home port
- Piraeus
- Technical efficiency (design)
- EEDI (2.13 gCO₂/t·nm)
- Verifier
- AMERICAN BUREAU OF SHIPPING HELLENIC SINGLE MEMBER LIMITED LIABILITY COMPANY (ABS HELLENIC S.M. LTD), Greece
- Accreditation
- 1083-2
- Compliance document issued
- 2026-03-30
- Compliance document expires
- 2027-06-30
Efficiency against its own type2025
Position 156 of 1,448 qualifying oil tankers by EEOI, at the 11th percentile. The dashed line is the type median, 7.5; this vessel reported 4.5.
EEOI divides emissions by transport work, which for this vessel and year was 1,486,049,438 tonne-miles over 9,234 nautical miles.
Where the 2025 emissions occurred
Methane, nitrous oxide and EU ETS2025
- Total CO₂ equivalent
- 6,717 t
- Methane (CH₄)
- 0.11 t
- Nitrous oxide (N₂O)
- 0.38 t
- Under EU ETS
- 3,601 t, 54% of total
Laden voyages2025
- CO₂ on laden voyages
- 3,970 t, 60% of total
- Fuel, laden
- 1,273 t
- CO₂ per nm, laden
- 722.8 kg
The rest of the 2025 total was emitted on ballast legs or at berth.
Sources and how to read this
- Emissions: EU MRV publication (THETIS-MRV), reporting years 2025–2025, published by the European Commission.
- Vessel particulars: Wikidata (CC0).
This page draws on 1 MRV reporting year, an efficiency ranking and 5 of 5 vessel particulars. Not found in the sources for this vessel: AIS movements in Norwegian waters, a name history, a licensed photograph, a sanctions listing and US port state inspections.
Empty means unreported, never zero. How EEOI, distance, percentiles and sister ships are handled is explained under reading a vessel page. Something wrong? See corrections.