Oil tanker · Portugal flag · built 2017
AQUASURAZO: CO₂ emissions 2021–2025
IMO 9785720 EU ETS5 reporting years
- CO₂ reported 2025
- 264 t
- Fuel burned
- 83 t
- Time at sea
- 50 h
- Share of year under way
- 1%
- Gross tonnage
- 61,888
AQUASURAZO against its type
Built in 2017, it is 7 years newer than the median oil tanker on this register, which was built in 2010 (2,896 vessels with a known build year). At 61,888 gross tonnage it is larger than 57% of the other 2,841 oil tankers with a recorded tonnage. It is one of 56 oil tankers here under the Portugal flag, 1.6% of the 3,548 on the register. The same builder is recorded for 563 other vessels here, 217 of them oil tankers. The reported port of registry changed: Monrovia (2021–2024), then Madeira (2025).
Its 264 t of CO₂ for 2025 is 97% 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 536.4 kg CO₂, 33% above the type median of 403.2 kg. It logged 50 hours at sea against a median of 2,030 hours for its type that year. 0.0% of its 2025 emissions were at berth; the median for oil tankers was 7.8%. Across 5 years with reported emissions, the highest was 2022 (9,471 t) and the lowest 2025 (264 t). Its efficiency percentile within the type went from 76 in 2021 to 30 in 2024 (lower is more efficient). Of the 8 sister ships listed below with a 2025 return, 7 reported a lower CO₂ per nautical mile than this vessel.
Emissions by year2021–2025
| Year | CO₂ (t) | Fuel (t) | Distance (nm) | At sea (h) | At berth (t) | kg CO₂/nm | EEOI | Percentile |
|---|---|---|---|---|---|---|---|---|
| 2025 | 264 | 83 | — | 50 | 0 | 536.4 | — | — |
| 2024 | 6,972 | 2,209 | 19,123 | 1,652 | 376 | 364.6 | 6.0 | 30 |
| 2023 | 5,531 | 1,740 | 13,294 | 1,166 | 574 | 416.1 | 8.7 | 57 |
| 2022 | 9,471 | 2,986 | 19,171 | 2,335 | 1,084 | 494.0 | 9.5 | 63 |
| 2021 | 3,162 | 995 | 8,798 | 930 | 702 | 359.4 | 12.7 | 76 |
Vessel particulars
- IMO number
- 9785720
- Ship type
- Oil tanker
- Gross tonnage
- 61,888
- Length overall
- 244.0 m
- Year built
- 2017
- Flag state
- Portugal per EU MRV 2025
Sources disagree: Wikidata/AIS (undated) list Liberia. The flag shown is from the newest official source, the EU MRV return for 2025. - Builder
- Samsung Heavy Industries
- Port of registry
- Madeira MRV 2025
- Technical efficiency (design)
- EEDI (3.14 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
- 2026-03-24
- Compliance document expires
- 2027-06-30
Efficiency against its own type2024
Position 476 of 1,566 qualifying oil tankers by EEOI, at the 30th percentile. The dashed line is the type median, 7.6; this vessel reported 6.0.
EEOI divides emissions by transport work, which for this vessel and year was 1,160,116,472 tonne-miles over 19,123 nautical miles.
Reported CO₂ by year
Reported CO₂ in 2025 was 91.7% lower than in 2021, for EU/EEA voyages only.
From 2024 to 2025, emissions fell 96.2% and CO₂ per nautical mile rose 47.1%.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
- 268 t
- Methane (CH₄)
- 0.00 t
- Nitrous oxide (N₂O)
- 0.01 t
- Under EU ETS
- 132 t, 50% of total
Sources and how to read this
- Emissions: EU MRV publication (THETIS-MRV), reporting years 2021–2025, published by the European Commission.
- Vessel particulars: Wikidata (CC0).
This page draws on 5 MRV reporting years, 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.