Chemical tanker · Marshall Islands flag · built 2009
KASTAV: CO₂ emissions 2018–2025
IMO 9389289 EU ETS4 reporting years
- CO₂ reported 2025
- 3,567 t
- Fuel burned
- 1,139 t
- Distance
- 12,405 nm
- Time at sea
- 966 h
- Emitted at berth
- 3% of total
- Share of year under way
- 11%
- Gross tonnage
- 30,638
KASTAV against its type
Built in 2009, it is 1 year older than the median chemical tanker on this register, which was built in 2010 (1,951 vessels with a known build year). At 30,638 gross tonnage it is larger than 96% of the other 1,899 chemical tankers with a recorded tonnage. It is one of 474 chemical tankers here under the Marshall Islands flag, 20.2% of the 2,344 on the register. The same builder is recorded for 40 other vessels here, 29 of them chemical tankers. Its MRV returns name it KASTAV for 2018 and T JUNGFRAU for 2019–2025. The reported port of registry changed: Pula (2018), then MAJURO (2019–2025).
Its 3,567 t of CO₂ for 2025 is 36% below the median of 5,533 t among the 1,483 chemical tankers on this register that reported for 2025. Per nautical mile it emitted 287.5 kg CO₂, 15% above the type median of 250.2 kg. It logged 966 hours at sea against a median of 2,109 hours for its type that year. 2.9% of its 2025 emissions were at berth; the median for chemical tankers was 6.6%. Across 4 years with reported emissions, the highest was 2018 (6,793 t) and the lowest 2019 (2,654 t). Its efficiency percentile within the type went from 26 in 2018 to 59 in 2025 (lower is more efficient). Of the 5 sister ships listed below with a 2025 return, 1 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 | 3,567 | 1,139 | 12,405 | 966 | 104 | 287.5 | 16.7 | 59 |
| 2024 | 4,675 | 1,488 | 15,092 | 1,256 | 72 | 309.8 | 13.6 | 41 |
| 2019 | 2,654 | 840 | 6,593 | 654 | 35 | 402.5 | 10.9 | 20 |
| 2018 | 6,793 | 2,162 | 15,402 | 1,546 | 452 | 441.0 | 11.8 | 26 |
Vessel particulars
- IMO number
- 9389289
- Previously reported as
- T JUNGFRAU
- Ship type
- Chemical tanker
- Gross tonnage
- 30,638
- Length overall
- 195.0 m
- Beam
- 32.0 m
- Year built
- 2009
- Flag state
- Marshall Islands per EU MRV 2025
Sources disagree: Wikidata/AIS (undated) list Croatia. The flag shown is from the newest official source, the EU MRV return for 2025. - Builder
- 3. Maj
- Port of registry
- Majuro MRV 2025
- Home port
- Majuro
- Ice class
- IB
- Technical efficiency (design)
- EEXI (4.84 gCO₂/t·nm)
- Verifier
- AMERICAN BUREAU OF SHIPPING HELLENIC SINGLE MEMBER LIMITED LIABILITY COMPANY (ABS HELLENIC S.M. LTD), Greece
- Accreditation
- 1083-2
- Compliance document issued
- 2026-03-26
- Compliance document expires
- 2027-06-30
Efficiency against its own type2025
Position 790 of 1,348 qualifying chemical tankers by EEOI, at the 59th percentile. The dashed line is the type median, 14.4; this vessel reported 16.7.
EEOI divides emissions by transport work, which for this vessel and year was 213,967,007 tonne-miles over 12,405 nautical miles.
Reported CO₂ by year
Reported CO₂ in 2025 was 47.5% lower than in 2018, for EU/EEA voyages only. No return is recorded for 2020, 2021, 2022, 2023, so the series has gaps.
From 2024 to 2025, emissions fell 23.7% while distance sailed fell 17.8%and CO₂ per nautical mile fell 7.2%.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
- 3,623 t
- Methane (CH₄)
- 0.06 t
- Nitrous oxide (N₂O)
- 0.21 t
- Under EU ETS
- 1,932 t, 54% of total
Laden voyages2025
- CO₂ on laden voyages
- 2,813 t, 79% of total
- Fuel, laden
- 903 t
- CO₂ per nm, laden
- 264.4 kg
The rest of the 2025 total was emitted on ballast legs or at berth.
Verifier history
| From reporting year | Verifier | Accredited in |
|---|---|---|
| 2018 | VERIFAVIA (UK) LTD | United Kingdom |
| 2019 | Nippon Kaiji Kyokai | Japan |
| 2024 | AMERICAN BUREAU OF SHIPPING HELLENIC SINGLE MEMBER LIMITED LIABILITY COMPANY (ABS HELLENIC S.M. LTD) | Greece |
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.
- Vessel particulars: Wikidata (CC0).
This page draws on 4 MRV reporting years, an efficiency ranking, 5 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.