General cargo ship · Marshall Islands flag · built 2011
GREY FOX: CO₂ emissions 2019–2025
IMO 9594470 EU ETS6 reporting years
- CO₂ reported 2025
- 14,446 t
- Fuel burned
- 4,617 t
- Time at sea
- 4,024 h
- Emitted at berth
- 3% of total
- Share of year under way
- 46%
- Gross tonnage
- 22,863
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GREY FOX against its type
Built in 2011, it is 4 years newer than the median general cargo ship on this register, which was built in 2007 (2,852 vessels with a known build year). At 22,863 gross tonnage it is larger than 85% of the other 2,665 general cargo ships with a recorded tonnage. It is one of 181 general cargo ships here under the Marshall Islands flag, 5.9% of the 3,081 on the register. Columbia Shipmanagement is linked to 42 vessels on this register. Its MRV returns name it MADRID TRADER for 2019 and GREY FOX for 2021–2025. The reported port of registry changed: Monrovia (2019), then Limassol (2021–2022), then Majuro (2023–2025).
Its 14,446 t of CO₂ for 2025 is 5.1 times the median of 2,820 t among the 2,469 general cargo ships on this register that reported for 2025. Per nautical mile it emitted 296.9 kg CO₂, 2.4 times the type median of 122.2 kg. It logged 4,024 hours at sea against a median of 3,044 hours for its type that year. 3.2% of its 2025 emissions were at berth; the median for general cargo ships was 4.3%. Across 6 years with reported emissions, the highest was 2024 (14,491 t) and the lowest 2019 (4,149 t). Its efficiency percentile within the type went from 45 in 2019 to 14 in 2022 (lower is more efficient). Of the 4 comparable vessels listed below with a 2025 return, 3 reported a lower CO₂ per nautical mile than this vessel.
Emissions by year2019–2025
| Year | CO₂ (t) | Fuel (t) | Distance (nm) | At sea (h) | At berth (t) | kg CO₂/nm | EEOI | Percentile |
|---|---|---|---|---|---|---|---|---|
| 2025 | 14,446 | 4,617 | — | 4,024 | 460 | 296.9 | — | — |
| 2024 | 14,491 | 4,656 | — | 3,986 | 570 | 290.5 | — | — |
| 2023 | 13,271 | 4,235 | — | 3,912 | 630 | 283.4 | — | — |
| 2022 | 13,368 | 4,267 | 46,564 | 3,677 | 1,199 | 287.1 | 11.7 | 14 |
| 2021 | 5,348 | 1,709 | — | 1,397 | 478 | 305.9 | — | — |
| 2019 | 4,149 | 1,321 | 16,354 | 1,226 | 228 | 253.7 | 27.2 | 45 |
Vessel particulars
- IMO number
- 9594470
- Previously reported as
- MADRID TRADER
- Ship type
- General cargo ship
- Gross tonnage
- 22,863
- Length overall
- 179.4 m
- Beam
- 28.2 m
- Year built
- 2011
- Flag state
- Marshall Islands per EU MRV 2025
- Port of registry
- Majuro MRV 2025
- Technical efficiency (design)
- EEXI (7.88 gCO₂/t·nm)
- Operator
- Columbia Shipmanagement
- Verifier
- DNV, Germany
- Accreditation
- VS-16026-01
- Compliance document issued
- 2026-02-24
- Compliance document expires
- 2027-06-30
Efficiency against its own type2022
Position 57 of 406 qualifying general cargo ships by EEOI, at the 14th percentile. The dashed line is the type median, 23.3; this vessel reported 11.7.
Across the 41 ranked vessels operated by Columbia Shipmanagement, the median percentile is 53. This vessel is more efficient than its own fleet median.
EEOI divides emissions by transport work, which for this vessel and year was 1,141,620,837 tonne-miles over 46,564 nautical miles.
Reported CO₂ by year
Reported CO₂ in 2025 was 248.2% higher than in 2019, for EU/EEA voyages only. No return is recorded for 2020, so the series has gaps.
From 2024 to 2025, emissions fell 0.3% and CO₂ per nautical mile rose 2.2%.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
- 14,672 t
- Methane (CH₄)
- 0.23 t
- Nitrous oxide (N₂O)
- 0.83 t
- Under EU ETS
- 7,079 t, 49% of total
Verifier history
| From reporting year | Verifier | Accredited in |
|---|---|---|
| 2019 | AMERICAN BUREAU OF SHIPPING HELLENIC SINGLE MEMBER LIMITED LIABILITY COMPANY (ABS HELLENIC S.M. LTD) | Greece |
| 2023 | 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 2019–2025, published by the European Commission.
- Vessel particulars: Wikidata (CC0) and Wikimedia Commons.
This page draws on 6 MRV reporting years, an efficiency ranking, 4 of 5 vessel particulars, a name history and a licensed photograph. Not found in the sources for this vessel: AIS movements in Norwegian waters, 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.