Ship Emissions Register

Oil tanker · Marshall Islands flag · built 2004

PYTHON

IMO 9250531 Sanctions listing4 reporting years

CO₂ reported 2022
14,803 t
Fuel burned
4,735 t
Distance
31,398 nm
Time at sea
2,850 h
Emitted at berth
4% of total
Share of year under way
33%
Gross tonnage
57,062

Vessel particulars

IMO number
9250531
Previously reported as
ALONISSOS, WONDER MUSICA
Ship type
Oil tanker
Gross tonnage
57,062
Length overall
244.0 m
Beam
42.0 m
Year built
2004
Flag state
Marshall Islands
Builder
HD Hyundai Mipo
Port of registry
Majuro
Home port
Majuro
Technical efficiency (design)
EIV (10.71 gCO₂/t·nm)
Verifier
HELLENIC LLOYD'S S.A., Greece
Accreditation
1190
Compliance document issued
2023-04-06
Compliance document expires
2024-06-30

Flag state is derived from rapportert, not reported directly, and reflects the registry at the time of reporting.

Efficiency against its own type2022

Position 1,054 of 1,771 qualifying oil tankers by EEOI, at the 60th percentile. The dashed line is the type median, 8.0; this vessel reported 9.0.

0255075100more efficientless efficientThis vessel: 60th percentile, EEOI 9.0

EEOI divides emissions by transport work, which for this vessel and year was 1,639,357,697 tonn-nmover 31,398 nautical miles.

Reported CO₂ by year

2018: 12,880 t201812,8802019: 11,326 t20192020: 4,351 t20202022: 14,803 t202214,803

Between 2018 and 2022 reported CO₂ rose by 14.9%. No return is recorded for 2021, so the series has gaps.

From 2020 to 2022, emissions rose 240.2% while distance sailed rose 243.4%and CO₂ per nautical mile fell 0.9%.That points mainly to how much the vessel sailed, rather than the other.

Annual returns2018–2022

Year CO₂ (t) Fuel (t) Distance (nm) At sea (h) At berth (t) kg CO₂/nm EEOI Percentile
2022 14,803 4,735 31,398 2,850 522 471.5 9.0 60
2020 4,351 1,373 9,144 813 602 475.9 22.0 90
2019 11,326 3,616 23,977 4,322 1,007 472.4 10.7 69
2018 12,880 4,127 24,184 2,649 372 532.6 7.6 40

Where the 2022 emissions occurred

At berthAt berth: 522 t522Voyages to an EEA portVoyages to an EEA port: 9,061 t9,061Voyages from an EEA portVoyages from an EEA port: 5,220 t5,220

Sanctions listings

ListProgrammeListedDelisted
ofac_sdn UKRAINE-EO13662] [RUSSIA-EO14024 Still listed

Reproduced from the published source register as of the build date, and not legal advice. A listing attaches to the vessel with this IMO number; ownership and management may have changed since. Check the issuing authority before relying on it.

Verifier history

From reporting yearVerifierAccredited in
2018Lloyd's Register Quality Assurance LtdUnited Kingdom
2019HELLENIC LLOYD'S S.A.Greece

A change of accredited verifier is shown because it matters for audit and data continuity. It is not in itself a sign of anything being wrong.

Sources and how to read this

What this page is built on

Reporting years
4
Ranked by efficiency
yes
Vessel particulars
5 of 5
Movement data
not observed
Name history
yes
Photograph
none licensed
Sanctions record
listed
Inspection record
none in US waters
Caveats that apply to every vessel page

EEOI above 100,000 is withheld. Those values come from returns where reported transport work is near zero, which makes the ratio meaningless rather than extreme. Median across the dataset is around 12.

Emission categories overlap. In the MRV return, emissions at berth are also counted inside the voyage legs, so the categories do not sum to the total. They are shown side by side rather than stacked for that reason.

Distance is derived, intensity is reported. The MRV return publishes CO₂ per nautical mile but not the distance itself, which is null in all 106,564 rows of the source. The distance column is therefore filled from the ranking step, which reconstructs it, and is blank for years where a vessel was not ranked. That is why a row can show an intensity without a distance.

Percentile is within type and year. It is the vessel's position among qualifying ships of the same type that year, where lower is more efficient. A blank means the vessel did not qualify for ranking that year.

Sister ships share a builder, a type and a build year within two years of this vessel. That holds hull and machinery roughly constant and leaves operation as the variable, which is why they are listed before nearest-by-tonnage.

Methane and nitrous oxide start in 2024. They were not reported before that period, so earlier years cannot be compared against them.

Technical efficiency is a design figure fixed at construction. A vessel can hold a good index and still emit heavily by sailing fast, waiting at anchor or carrying little.

Inspection records cover United States waters only. An empty record is not evidence of a clean history elsewhere.

Empty means unreported, never zero. Nothing here is modelled, estimated or interpolated. See the methodology.

Something wrong on this page? See corrections. We do not hold the source registers and cannot amend them, but we will fix anything we have got wrong in reproducing them.

Comparable vesselssister ships and nearest by tonnage