Gas carrier · Singapore flag · built 2008
ALEXANDRA KOSAN: CO₂ emissions 2023–2025
IMO 9342413 MMSI 563160500EU ETS3 reporting years
- CO₂ reported 2025
- 12,999 t
- Fuel burned
- 4,095 t
- Distance
- 67,301 nm
- Time at sea
- 5,027 h
- Emitted at berth
- 6% of total
- Share of year under way
- 57%
- Gross tonnage
- 7,465
ALEXANDRA KOSAN against its type
Built in 2008, it is 5 years older than the median gas carrier on this register, which was built in 2013 (530 vessels with a known build year). At 7,465 gross tonnage it is smaller than 87% of the other 525 gas carriers with a recorded tonnage. It is one of 106 gas carriers here under the Singapore flag, 15.4% of the 688 on the register. The returns for 2023–2025 all give Singapore as port of registry.
Its 12,999 t of CO₂ for 2025 is 2.2 times the median of 5,974 t among the 363 gas carriers on this register that reported for 2025. Per nautical mile it emitted 193.2 kg CO₂, 25% below the type median of 256.2 kg. It logged 5,027 hours at sea against a median of 1,943 hours for its type that year. 6.1% of its 2025 emissions were at berth; the median for gas carriers was 3.8%. Across 3 years with reported emissions, the highest was 2025 (12,999 t) and the lowest 2023 (6,464 t). Its efficiency percentile within the type went from 85 in 2023 to 93 in 2025 (lower is more efficient). Of the 5 comparable vessels listed below with a 2025 return, 0 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 | 12,999 | 4,095 | 67,301 | 5,027 | 788 | 193.2 | 110.9 | 93 |
| 2024 | 10,963 | 3,478 | 58,109 | 4,710 | 712 | 188.7 | 107.3 | 88 |
| 2023 | 6,464 | 2,067 | 31,111 | 2,187 | 984 | 207.8 | 97.0 | 85 |
Vessel particulars
- IMO number
- 9342413
- MMSI
- 563160500
- Call sign
- 9V7459
- Ship type
- Gas carrier
- Gross tonnage
- 7,465
- Length overall
- 115.0 m
- Beam
- 19.0 m
- Year built
- 2008
- Flag state
- Singapore per EU MRV 2025
- Port of registry
- Singapore MRV 2025
- Technical efficiency (design)
- EEXI (15 gCO₂/t·nm)
- Verifier
- HELLENIC LLOYD'S S.A., Greece
- Accreditation
- 1190
- Compliance document issued
- 2026-03-27
- Compliance document expires
- 2027-06-30
Efficiency against its own type2025
Position 271 of 292 qualifying gas carriers by EEOI, at the 93rd percentile. The dashed line is the type median, 27.9; this vessel reported 110.9.
EEOI divides emissions by transport work, which for this vessel and year was 117,172,886 tonne-miles over 67,301 nautical miles.
Reported CO₂ by year
Reported CO₂ in 2025 was 101.1% higher than in 2023, for EU/EEA voyages only.
From 2024 to 2025, emissions rose 18.6% while distance sailed rose 15.8%and CO₂ per nautical mile rose 2.4%.That points mainly to how much the vessel sailed, rather than the other.
Where the 2025 emissions occurred
Methane, nitrous oxide and EU ETS2025
- Total CO₂ equivalent
- 13,200 t
- Methane (CH₄)
- 0.20 t
- Nitrous oxide (N₂O)
- 0.74 t
- Under EU ETS
- 12,778 t, 98% of total
Observed movementsAIS · Norwegian waters
- First seen
- 08 May 2026
- Last seen
- 24 Jun 2026
- Days observed
- 22
- Positions
- 1,479
- Median speed
- 14.1 kn
Its recorded positions span 58.0°N to 59.3°N and 4.5°E to 6.2°E.
361 hourly points from 1,479 positions. Filled circle first, open circle last; squares are ports for orientation, not calls.
Positions recorded per month
Norwegian Coastal Administration open AIS, Norwegian waters only, 01 Jul 2025 to 27 Jul 2026. A gap means the vessel was not recorded here, not that it was idle or that a transponder was off.
Sources and how to read this
- Emissions: EU MRV publication (THETIS-MRV), reporting years 2023–2025, published by the European Commission.
- Vessel particulars: Wikidata (CC0).
- Movements: Norwegian Coastal Administration open AIS extract.
This page draws on 3 MRV reporting years, an efficiency ranking, 4 of 5 vessel particulars and AIS movements in Norwegian waters. Not found in the sources for this vessel: 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.