Ship Emissions Register

Oil tanker · Marshall Islands flag · built 2017

OLYMPIC LUNA

IMO 9731157 EU ETS2 reporting years

CO₂ reported 2025
6,008 t
Fuel burned
1,923 t
Distance
11,061 nm
Time at sea
935 h
Emitted at berth
8% of total
Share of year under way
11%
Gross tonnage
154,379

Vessel particulars

IMO number
9731157
Ship type
Oil tanker
Gross tonnage
154,379
Length overall
336.0 m
Beam
60.0 m
Year built
2017
Flag state
Marshall Islands
Builder
HD Hyundai Heavy Industries
Port of registry
Majuro
Technical efficiency (design)
EEXI (2.16 gCO₂/t·nm)
Verifier
DNV, Germany
Accreditation
VS-16026-01
Compliance document issued
2026-03-04
Compliance document expires
2027-06-30

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

Efficiency against its own type2025

Position 119 of 1,448 qualifying oil tankers by EEOI, at the 8th percentile. The dashed line is the type median, 7.5; this vessel reported 4.2.

0255075100more efficientless efficientThis vessel: 8th percentile, EEOI 4.2

EEOI divides emissions by transport work, which for this vessel and year was 1,420,427,896 tonn-nmover 11,061 nautical miles.

Reported CO₂ by year

2021: 22,368 t202122,3682025: 6,008 t20256,008

Between 2021 and 2025 reported CO₂ fell by 73.1%. No return is recorded for 2022, 2023, 2024, so the series has gaps.

From 2021 to 2025, emissions fell 73.1% while distance sailed fell 73.5%and CO₂ per nautical mile rose 1.4%.That points mainly to how much the vessel sailed, rather than the other.

Annual returns2021–2025

Year CO₂ (t) Fuel (t) Distance (nm) At sea (h) At berth (t) kg CO₂/nm EEOI Percentile
2025 6,008 1,923 11,061 935 471 543.2 4.2 8
2021 22,368 7,179 41,773 3,516 119 535.5 3.7 4

Where the 2025 emissions occurred

At berthAt berth: 471 t471Within EEA portsWithin EEA ports: 471 t471Voyages to an EEA portVoyages to an EEA port: 3,138 t3,138Voyages from an EEA portVoyages from an EEA port: 2,400 t2,400

Methane, nitrous oxide and EU ETS2025

Total CO₂ equivalent
6,103 t
Methane (CH₄)
0.10 t
Nitrous oxide (N₂O)
0.35 t
Under EU ETS
3,240 t, 54% of total

Verifier history

From reporting yearVerifierAccredited in
2021AMERICAN BUREAU OF SHIPPING HELLENIC SINGLE MEMBER LIMITED LIABILITY COMPANY (ABS HELLENIC S.M. LTD)Greece
2025DNVGermany

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
2
Ranked by efficiency
yes
Vessel particulars
5 of 5
Movement data
not observed
Name history
none recorded
Photograph
none licensed
Sanctions record
none
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