TonneMiles

Container ship · Panama flag · built 2009

WARNOW MASTER: CO₂ emissions 2021–2025

IMO 9449833 EU ETS5 reporting years

CO₂ reported 2025
9,378 t
Fuel burned
2,950 t
Distance
27,596 nm
Time at sea
2,454 h
Emitted at berth
3% of total
Share of year under way
28%
Gross tonnage
17,068

WARNOW MASTER against its type

Built in 2009, it is 1 year newer than the median container ship on this register, which was built in 2008 (3,088 vessels with a known build year). At 17,068 gross tonnage it is smaller than 80% of the other 3,000 container ships with a recorded tonnage. It is one of 387 container ships here under the Panama flag, 11.1% of the 3,495 on the register. Its MRV returns name it WARNOW MASTER for 2021–2024 and ERASMUS MASTER for 2025. The reported port of registry changed: Limqssol (2021), then Monrovia (2022–2024), then Panama (2025).

Its 9,378 t of CO₂ for 2025 is 43% below the median of 16,359 t among the 2,234 container ships on this register that reported for 2025. Per nautical mile it emitted 339.8 kg CO₂, 38% below the type median of 545.6 kg. It logged 2,454 hours at sea against a median of 3,155 hours for its type that year. 3.1% of its 2025 emissions were at berth; the median for container ships was 3.2%. Across 5 years with reported emissions, the highest was 2022 (16,753 t) and the lowest 2024 (3,171 t). Its efficiency percentile within the type went from 80 in 2021 to 91 in 2025 (lower is more efficient). Of the 6 comparable vessels listed below with a 2025 return, 4 reported a lower CO₂ per nautical mile than this vessel.

Emissions by year2021–2025

Year CO₂ (t) Fuel (t) Distance (nm) At sea (h) At berth (t) kg CO₂/nm EEOI Percentile
2025 9,378 2,950 27,596 2,454 290 339.8 38.4 91
2024 3,171 1,014 — 696 98 348.6 37.2 not ranked
2023 5,981 1,918 17,071 1,108 444 350.3 39.6 87
2022 16,753 5,352 46,566 3,298 1,815 359.8 48.1 93
2021 16,550 5,254 44,233 3,602 2,642 374.1 30.5 80

Vessel particulars

IMO number
9449833
Previously reported as
ERASMUS MASTER
Ship type
Container ship
Gross tonnage
17,068
Length overall
180.0 m
Beam
25.0 m
Year built
2009
Flag state
Panama per EU MRV 2025
Sources disagree: Wikidata/AIS (undated) list Liberia. The flag shown is from the newest official source, the EU MRV return for 2025.
Port of registry
Panama MRV 2025
Technical efficiency (design)
EEXI (18.83 gCO₂/t·nm)
Verifier
CHINA CLASSIFICATION SOCIETY, China
Accreditation
0003VV
Compliance document issued
2026-03-26
Compliance document expires
2027-06-30

Efficiency against its own type2025

Position 1,670 of 1,838 qualifying container ships by EEOI, at the 91st percentile. The dashed line is the type median, 14.2; this vessel reported 38.4.

0255075100more efficientless efficientThis vessel: 91st percentile, EEOI 38.4

EEOI divides emissions by transport work, which for this vessel and year was 244,223,698 tonne-miles over 27,596 nautical miles.

Reported CO₂ by year

2021: 16,550 t202116,5502022: 16,753 t20222023: 5,981 t20232024: 3,171 t20242025: 9,378 t20259,378

Reported CO₂ in 2025 was 43.3% lower than in 2021, for EU/EEA voyages only.

From 2024 to 2025, emissions rose 195.7% and CO₂ per nautical mile fell 2.5%.Distance is missing for at least one of the two years, so activity and efficiency cannot be separated here.

Where the 2025 emissions occurred

At berthAt berth: 290 t290Within EEA portsWithin EEA ports: 290 t290Voyages between EEA portsVoyages between EEA ports: 169 t169Voyages to an EEA portVoyages to an EEA port: 4,897 t4,897Voyages from an EEA portVoyages from an EEA port: 4,021 t4,021

Methane, nitrous oxide and EU ETS2025

Total CO₂ equivalent
9,523 t
Methane (CH₄)
0.15 t
Nitrous oxide (N₂O)
0.53 t
Under EU ETS
1,692 t, 18% of total

Verifier history

From reporting yearVerifierAccredited in
2021AMERICAN BUREAU OF SHIPPING HELLENIC SINGLE MEMBER LIMITED LIABILITY COMPANY (ABS HELLENIC S.M. LTD)Greece
2023DNVGermany
2025CHINA CLASSIFICATION SOCIETYChina

A change of verifier is not in itself a sign of anything being wrong.

Sources and how to read this

This page draws on 5 MRV reporting years, an efficiency ranking, 4 of 5 vessel particulars and a name history. Not found in the sources for this vessel: AIS movements in Norwegian waters, 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.

Comparable vesselsnearest by tonnage, same type