Chemical tanker · Hong Kong flag
GC SAPPHIRE: CO₂ emissions 2022–2025
IMO 9924924 EU ETS3 reporting years
- CO₂ reported 2025
- 7,701 t
- Fuel burned
- 2,435 t
- Distance
- 44,768 nm
- Time at sea
- 3,872 h
- Emitted at berth
- 5% of total
- Share of year under way
- 44%
GC SAPPHIRE against its type
It is one of 65 chemical tankers here under the Hong Kong flag, 2.8% of the 2,344 on the register. The returns for 2022–2025 all give Hong Kong as port of registry.
Its 7,701 t of CO₂ for 2025 is 39% above the median of 5,531 t among the 1,484 chemical tankers on this register that reported for 2025. Per nautical mile it emitted 172.0 kg CO₂, 31% below the type median of 250.2 kg. It logged 3,872 hours at sea against a median of 2,106 hours for its type that year. 5.5% of its 2025 emissions were at berth; the median for chemical tankers was 6.6%. Its efficiency percentile within the type went from 24 in 2024 to 41 in 2025 (lower is more efficient). Of the 8 comparable vessels listed below with a 2025 return, 2 reported a lower CO₂ per nautical mile than this vessel.
Emissions by year2022–2025
| Year | CO₂ (t) | Fuel (t) | Distance (nm) | At sea (h) | At berth (t) | kg CO₂/nm | EEOI | Percentile |
|---|---|---|---|---|---|---|---|---|
| 2025 | 7,701 | 2,435 | 44,768 | 3,872 | 423 | 172.0 | 12.9 | 41 |
| 2024 | 7,297 | 2,326 | 44,997 | 3,777 | 340 | 162.2 | 10.6 | 24 |
| 2022 | No EU/EEA voyages reported | |||||||
Vessel particulars
- IMO number
- 9924924
- Ship type
- Chemical tanker
- Flag state
- Hong Kong per EU MRV 2025
- Port of registry
- Hong Kong MRV 2025
- Technical efficiency (design)
- EEXI (6.66 gCO₂/t·nm)
- Verifier
- DNV, Germany
- Accreditation
- VS-16026-01
- Compliance document issued
- 2026-02-26
- Compliance document expires
- 2027-06-30
Efficiency against its own type2025
Position 558 of 1,348 qualifying chemical tankers by EEOI, at the 41st percentile. The dashed line is the type median, 14.4; this vessel reported 12.9.
EEOI divides emissions by transport work, which for this vessel and year was 598,397,824 tonne-miles over 44,768 nautical miles.
Reported CO₂ by year
Reported CO₂ in 2025 was 5.5% higher than in 2024, for EU/EEA voyages only. No return is recorded for 2023, so the series has gaps.
From 2024 to 2025, emissions rose 5.5% while distance sailed fell 0.5%and CO₂ per nautical mile rose 6.1%.That points mainly to how efficiently it sailed, rather than the other.
Where the 2025 emissions occurred
Methane, nitrous oxide and EU ETS2025
- Total CO₂ equivalent
- 7,821 t
- Methane (CH₄)
- 0.12 t
- Nitrous oxide (N₂O)
- 0.44 t
- Under EU ETS
- 4,423 t, 57% of total
Verifier history
| From reporting year | Verifier | Accredited in |
|---|---|---|
| 2022 | CHINA CLASSIFICATION SOCIETY | China |
| 2024 | 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 2022–2025, published by the European Commission.
This page draws on 3 MRV reporting years, an efficiency ranking and 1 of 5 vessel particulars. Not found in the sources for this vessel: 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.