Other ship types (Offshore) · Bahamas flag · built 2012
CASTORONE: CO₂ emissions 2025
IMO 9444194 EU ETS
- CO₂ reported 2025
- 70,251 t
- Fuel burned
- 21,912 t
- Time at sea
- 7,312 h
- Emitted at berth
- 6% of total
- Share of year under way
- 83%
- Gross tonnage
- 56,529
CASTORONE against its type
Built in 2012, it is 1 year newer than the median offshore vessel on this register, which was built in 2011 (410 vessels with a known build year). At 56,529 gross tonnage it is larger than 99% of the other 396 offshore vessels with a recorded tonnage. It is one of 34 offshore vessels here under the Bahamas flag, 8.2% of the 413 on the register. The same builder is recorded for 132 other vessels here, 2 of them offshore vessels. Saipem is linked to 4 vessels on this register.
Its 70,251 t of CO₂ for 2025 is 17.4 times the median of 4,049 t among the 390 offshore vessels on this register that reported for 2025. Per nautical mile it emitted 5,538.2 kg CO₂, 15.9 times the type median of 348.3 kg. It logged 7,312 hours at sea against a median of 3,550 hours for its type that year. 6.4% of its 2025 emissions were at berth; the median for offshore vessels was 6.4%. The one sister ship listed below with a 2025 return reported a higher or equal CO₂ per nautical mile.
Emissions by year2025–2025
| Year | CO₂ (t) | Fuel (t) | Distance (nm) | At sea (h) | At berth (t) | kg CO₂/nm | EEOI | Percentile |
|---|---|---|---|---|---|---|---|---|
| 2025 | 70,251 | 21,912 | — | 7,312 | 4,517 | 5,538.2 | — | — |
Vessel particulars
- IMO number
- 9444194
- Call sign
- C6XI7
- Ship type
- Other ship types (Offshore)
- Gross tonnage
- 56,529
- Length overall
- 325.0 m
- Beam
- 38.0 m
- Year built
- 2012
- Flag state
- Bahamas per EU MRV 2025
- Builder
- Fincantieri
- Port of registry
- Nassau MRV 2025
- Home port
- Nassau
- Ice class
- IA
- Operator
- Saipem
- Verifier
- AMERICAN BUREAU OF SHIPPING HELLENIC SINGLE MEMBER LIMITED LIABILITY COMPANY (ABS HELLENIC S.M. LTD), Greece
- Accreditation
- 1083-2
- Compliance document issued
- 2026-03-30
- Compliance document expires
- 2027-06-30
Where the 2025 emissions occurred
Methane, nitrous oxide and EU ETS2025
- Total CO₂ equivalent
- 71,327 t
- Methane (CH₄)
- 1.10 t
- Nitrous oxide (N₂O)
- 3.94 t
- Under EU ETS
- 70,251 t, 100% of total
Sources and how to read this
- Emissions: EU MRV publication (THETIS-MRV), reporting years 2025–2025, published by the European Commission.
- Vessel particulars: Wikidata (CC0) and Wikimedia Commons.
This page draws on 1 MRV reporting year, 5 of 5 vessel particulars and a licensed photograph. Not found in the sources for this vessel: an efficiency ranking, AIS movements in Norwegian waters, a name history, 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.