Gas carrier · Liberia flag · built 2011
GAS MANTA: CO₂ emissions 2018–2025
IMO 9447809 EU ETS8 reporting years
- CO₂ reported 2025
- 6,961 t
- Fuel burned
- 2,200 t
- Distance
- 23,597 nm
- Time at sea
- 2,213 h
- Emitted at berth
- 2% of total
- Share of year under way
- 25%
- Gross tonnage
- 22,978
GAS MANTA against its type
Built in 2011, it is 2 years older than the median gas carrier on this register, which was built in 2013 (530 vessels with a known build year). At 22,978 gross tonnage it is smaller than 51% of the other 525 gas carriers with a recorded tonnage. It is one of 131 gas carriers here under the Liberia flag, 19.0% of the 688 on the register. The same builder is recorded for 761 other vessels here, 100 of them gas carriers. Its MRV returns name it GAS MANTA for 2018–2021 and OCEANIC MOON for 2022–2025. The reported port of registry changed: Majuro (2019), then Majuro, Marshall Islands (2020–2021), then Panama (2022), then Monrovia (2023–2025).
Its 6,961 t of CO₂ for 2025 is 17% above the median of 5,974 t among the 363 gas carriers on this register that reported for 2025. Per nautical mile it emitted 295.0 kg CO₂, 15% above the type median of 256.2 kg. It logged 2,213 hours at sea against a median of 1,943 hours for its type that year. 2.1% of its 2025 emissions were at berth; the median for gas carriers was 3.8%. Across 8 years with reported emissions, the highest was 2022 (12,665 t) and the lowest 2024 (3,077 t). Its efficiency percentile within the type went from 20 in 2018 to 36 in 2025 (lower is more efficient). Of the 7 sister ships listed below with a 2025 return, 7 reported a lower CO₂ per nautical mile than this vessel.
Emissions by year2018–2025
| Year | CO₂ (t) | Fuel (t) | Distance (nm) | At sea (h) | At berth (t) | kg CO₂/nm | EEOI | Percentile |
|---|---|---|---|---|---|---|---|---|
| 2025 | 6,961 | 2,200 | 23,597 | 2,213 | 147 | 295.0 | 21.0 | 36 |
| 2024 | 3,077 | 987 | — | 1,034 | 49 | 243.2 | 119.8 | not ranked |
| 2023 | 10,563 | 3,377 | 37,363 | 2,939 | 174 | 282.7 | 32.4 | 43 |
| 2022 | 12,665 | 4,023 | 43,718 | 3,333 | 1,688 | 289.7 | 29.2 | 38 |
| 2021 | 5,236 | 1,675 | 21,606 | 1,596 | 173 | 242.4 | 27.5 | 29 |
| 2020 | 4,716 | 1,510 | 12,839 | 1,132 | 150 | 367.3 | 36.6 | 46 |
| 2019 | 9,970 | 3,188 | 28,266 | 4,436 | 401 | 352.7 | 30.3 | 33 |
| 2018 | 3,538 | 1,130 | 13,513 | 2,110 | 98 | 261.9 | 22.5 | 20 |
Vessel particulars
- IMO number
- 9447809
- Previously reported as
- OCEANIC MOON
- Ship type
- Gas carrier
- Gross tonnage
- 22,978
- Length overall
- 174.2 m
- Beam
- 28.0 m
- Year built
- 2011
- Flag state
- Liberia per EU MRV 2025
- Builder
- HD Hyundai Heavy Industries
- Port of registry
- MONROVIA MRV 2025
- Technical efficiency (design)
- EEXI (7.55 gCO₂/t·nm)
- Verifier
- Swiss Climate EcoCare GmbH, Germany
- Accreditation
- D-VS-20810-01
- Compliance document issued
- 2026-02-11
- Compliance document expires
- 2027-06-30
Efficiency against its own type2025
Position 105 of 292 qualifying gas carriers by EEOI, at the 36th percentile. The dashed line is the type median, 27.9; this vessel reported 21.0.
EEOI divides emissions by transport work, which for this vessel and year was 331,785,510 tonne-miles over 23,597 nautical miles.
Reported CO₂ by year
Reported CO₂ in 2025 was 96.7% higher than in 2018, for EU/EEA voyages only.
From 2024 to 2025, emissions rose 126.2% and CO₂ per nautical mile rose 21.3%.Distance is missing for at least one of the two years, so activity and efficiency cannot be separated here.
Where the 2025 emissions occurred
Methane, nitrous oxide and EU ETS2025
- Total CO₂ equivalent
- 7,069 t
- Methane (CH₄)
- 0.11 t
- Nitrous oxide (N₂O)
- 0.40 t
- Under EU ETS
- 3,556 t, 51% of total
Verifier history
| From reporting year | Verifier | Accredited in |
|---|---|---|
| 2018 | AMERICAN BUREAU OF SHIPPING HELLENIC SINGLE MEMBER LIMITED LIABILITY COMPANY (ABS HELLENIC S.M. LTD) | Greece |
| 2022 | DNV | Germany |
| 2024 | Swiss Climate EcoCare GmbH | Germany |
A change of verifier is not in itself a sign of anything being wrong.
Sources and how to read this
- Emissions: EU MRV publication (THETIS-MRV), reporting years 2018–2025, published by the European Commission.
- Vessel particulars: Wikidata (CC0).
This page draws on 8 MRV reporting years, an efficiency ranking, 5 of 5 vessel particulars and a name history. Not found in the sources for this vessel: AIS movements in Norwegian waters, 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.