Other ship types · Liberia flag
DA TONG YUN: CO₂ emissions 2018–2025
IMO 9451343 EU ETS8 reporting years
- CO₂ reported 2025
- 9,999 t
- Fuel burned
- 3,190 t
- Time at sea
- 4,276 h
- Emitted at berth
- 2% of total
- Share of year under way
- 49%
DA TONG YUN against its type
It is one of 35 vessels in the other ship types category here under the Liberia flag, 7.0% of the 499 on the register. The reported port of registry changed: Hong Kong (2018–2022), then Monrovia (2023–2025).
Its 9,999 t of CO₂ for 2025 is 2.0 times the median of 5,122 t among the 335 vessels in the other ship types category on this register that reported for 2025. Per nautical mile it emitted 216.8 kg CO₂, close to the type median of 231.1 kg. It logged 4,276 hours at sea against a median of 2,231 hours for its type that year. 2.5% of its 2025 emissions were at berth; the median for vessels in the other ship types category was 3.9%. Across 6 years with reported emissions, the highest was 2025 (9,999 t) and the lowest 2018 (590 t). Of the 7 comparable vessels listed below with a 2025 return, 5 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 | 9,999 | 3,190 | — | 4,276 | 250 | 216.8 | — | — |
| 2024 | 1,955 | 624 | — | 839 | 68 | 210.3 | — | — |
| 2023 | 5,552 | 1,771 | — | 2,510 | 738 | 242.6 | — | — |
| 2022 | 4,482 | 1,429 | — | 2,307 | 100 | 252.7 | — | — |
| 2021 | 6,326 | 2,013 | — | 2,756 | 312 | 253.5 | — | — |
| 2020 | No EU/EEA voyages reported | |||||||
| 2019 | No EU/EEA voyages reported | |||||||
| 2018 | 590 | 188 | — | 305 | 132 | 363.3 | 169.6 | not ranked |
Vessel particulars
- IMO number
- 9451343
- Ship type
- Other ship types
- Flag state
- Liberia per EU MRV 2025
- Port of registry
- Monrovia MRV 2025
- Ice class
- IC
- Technical efficiency (design)
- EIV (7.54 gCO₂/t·nm)
- Efficiency ranking
- Not ranked: transport work below the floor (2018)
- Verifier
- DNV, Germany
- Accreditation
- VS-16026-01
- Compliance document issued
- 2026-02-06
- Compliance document expires
- 2027-06-30
Reported CO₂ by year
Reported CO₂ in 2025 was 1,595.8% higher than in 2018, for EU/EEA voyages only.
From 2024 to 2025, emissions rose 411.4% and CO₂ per nautical mile rose 3.1%.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
- 10,155 t
- Methane (CH₄)
- 0.16 t
- Nitrous oxide (N₂O)
- 0.57 t
- Under EU ETS
- 5,288 t, 53% of total
Verifier history
| From reporting year | Verifier | Accredited in |
|---|---|---|
| 2018 | CHINA CLASSIFICATION SOCIETY | China |
| 2021 | DNV | 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.
This page draws on 8 MRV reporting years and 1 of 5 vessel particulars. Not found in the sources for this vessel: an efficiency ranking, 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.