Container ship · Liberia flag · built 2012

SCA TUNADAL

IMO 9429235 MMSI 636020533EU ETS8 reporting years

CO₂ reported 2025: 12,392 t
Fuel burned: 3,969 t
Distance: 41,342 nm
Time at sea: 3,501 h
Emitted at berth: 11% of total
Share of year under way: 40%
Gross tonnage: 11,550

SCA TUNADAL — Wolfgang Fricke, CC BY 3.0 · File

Vessel particulars

IMO number: 9429235
Previously reported as: TUNADAL
MMSI: 636020533
Call sign: D5ZQ3
Ship type: Container ship
Gross tonnage: 11,550
Length overall: 158.0 m
Beam: 23.0 m
Year built: 2012
Flag state: Liberia
Builder: Fujian Mawei Shipbuilding
Port of registry: Monrovia
Ice class: IA
Technical efficiency (design): EEXI (20.26 gCO₂/t·nm)
Verifier: DNV, Germany
Accreditation: VS-16026-01
Compliance document issued: 2026-04-02
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 1,731 of 1,838 qualifying container ships by EEOI, at the 94th percentile. The dashed line is the type median, 14.2; this vessel reported 44.2.

EEOI divides emissions by transport work, which for this vessel and year was 280,052,881 tonn-nmover 41,342 nautical miles.

Reported CO₂ by year

Between 2018 and 2025 reported CO₂ fell by 31.3%.

From 2024 to 2025, emissions fell 25.7% while distance sailed fell 25.0%and CO₂ per nautical mile fell 0.9%.That points mainly to how much the vessel sailed, rather than the other.

Annual returns2018–2025

Year	CO₂ (t)	Fuel (t)	Distance (nm)	At sea (h)	At berth (t)	kg CO₂/nm	EEOI	Percentile
2025	12,392	3,969	41,342	3,501	1,344	299.8	44.2	94
2024	16,681	5,365	55,122	4,713	2,094	302.6	39.9	90
2023	18,081	5,802	59,602	4,735	1,998	303.4	42.0	88
2022	16,400	5,260	56,067	4,422	2,078	292.5	42.0	89
2021	17,193	5,515	58,642	4,726	2,097	293.2	37.4	86
2020	17,222	5,522	63,726	5,298	1,600	270.2	40.5	89
2019	17,766	5,702	71,123	5,604	1,737	249.8	48.1	92
2018	18,031	5,787	70,610	5,380	1,850	255.4	50.2	92

Where the 2025 emissions occurred

Methane, nitrous oxide and EU ETS2025

Total CO₂ equivalent: 12,587 t
Methane (CH₄): 0.20 t
Nitrous oxide (N₂O): 0.71 t
Under EU ETS: 12,302 t, 99% of total

Observed movementsAIS · Norwegian waters

First seen: 31 Jan 2026
Last seen: 02 Jul 2026
Days observed: 81
Positions: 7,056
Median speed: 12.7 kn

400 points sampled hourly from 7,056 recorded positions. The filled circle is the first observed position, the open one the last. Named squares are ports, shown for orientation; they are not recorded calls.

Positions recorded per month

Norwegian waters only, 01 Jul 2025 to 27 Jul 2026. A gap here means the vessel was not recorded in that area. It is not evidence that the vessel was idle, and not evidence that a transponder was switched off. Voyages elsewhere are outside this dataset.

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) and Wikimedia Commons.
Movements: Norwegian Coastal Administration open AIS extract.

What this page is built on

Reporting years: 8
Ranked by efficiency: yes
Vessel particulars: 5 of 5
Movement data: yes
Name history: yes
Photograph: yes
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.