TonneMiles

General cargo ship · Liberia flag

SIRUS SKY: CO₂ emissions 2023–2025

IMO 9648738 EU ETS3 reporting years

CO₂ reported 2025
2,017 t
Fuel burned
629 t
Time at sea
4,301 h
Emitted at berth
2% of total
Share of year under way
49%

SIRUS SKY against its type

It is one of 216 general cargo ships here under the Liberia flag, 7.0% of the 3,081 on the register. The reported port of registry changed: Belize City (2023–2024), then Monrovia (2025).

Its 2,017 t of CO₂ for 2025 is 28% below 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 74.5 kg CO₂, 39% below the type median of 122.2 kg. It logged 4,301 hours at sea against a median of 3,044 hours for its type that year. 2.2% of its 2025 emissions were at berth; the median for general cargo ships was 4.3%. Across 3 years with reported emissions, the highest was 2025 (2,017 t) and the lowest 2023 (394 t). Of the 8 comparable vessels listed below with a 2025 return, 1 reported a lower CO₂ per nautical mile than this vessel.

Emissions by year2023–2025

Year CO₂ (t) Fuel (t) Distance (nm) At sea (h) At berth (t) kg CO₂/nm EEOI Percentile
2025 2,017 629 — 4,301 45 74.5 — —
2024 1,948 607 — 3,267 42 65.8 — —
2023 394 124 — 368 43 122.7 — —

Vessel particulars

IMO number
9648738
Ship type
General cargo ship
Flag state
Liberia per EU MRV 2025
Port of registry
Monrovia MRV 2025
Technical efficiency (design)
EEXI (12.3 gCO₂/t·nm)
Verifier
Polish Register of Shipping, Poland
Accreditation
PL-VG-0013
Compliance document issued
2026-02-13
Compliance document expires
2027-06-30

Reported CO₂ by year

2023: 394 t20233942024: 1,948 t20242025: 2,017 t20252,017

Reported CO₂ in 2025 was 411.3% higher than in 2023, for EU/EEA voyages only.

From 2024 to 2025, emissions rose 3.6% and CO₂ per nautical mile rose 13.2%.Distance is missing for at least one of the two years, so activity and efficiency cannot be separated here.

Where the 2025 emissions occurred

At berthAt berth: 45 t45Within EEA portsWithin EEA ports: 45 t45Voyages between EEA portsVoyages between EEA ports: 771 t771Voyages to an EEA portVoyages to an EEA port: 720 t720Voyages from an EEA portVoyages from an EEA port: 481 t481

Methane, nitrous oxide and EU ETS2025

Total CO₂ equivalent
2,048 t
Methane (CH₄)
0.03 t
Nitrous oxide (N₂O)
0.11 t
Under EU ETS
1,417 t, 70% of total

Sources and how to read this

This page draws on 3 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.

Comparable vesselsnearest by tonnage, same type