Other ship types (Offshore) · Isle of Man flag · built 2003
SEAWAY PHOENIX: CO₂ emissions 2025
IMO 9250529 EU ETS
- CO₂ reported 2025
- 25 t
- Fuel burned
- 8 t
- Time at sea
- 14 h
- Share of year under way
- 0%
- Gross tonnage
- 13,116
SEAWAY PHOENIX against its type
Built in 2003, it is 8 years older than the median offshore vessel on this register, which was built in 2011 (410 vessels with a known build year). At 13,116 gross tonnage it is larger than 87% of the other 396 offshore vessels with a recorded tonnage. It is one of 19 offshore vessels here under the Isle of Man flag, 4.6% of the 413 on the register. The same builder is recorded for 4 other vessels here. Subsea 7 is linked to 6 vessels on this register.
Its 25 t of CO₂ for 2025 is 99% below the median of 4,049 t among the 390 offshore vessels on this register that reported for 2025. Per nautical mile it emitted 193.2 kg CO₂, 45% below the type median of 348.3 kg. It logged 14 hours at sea against a median of 3,550 hours for its type that year. 0.0% of its 2025 emissions were at berth; the median for offshore vessels was 6.4%. Of the 8 comparable vessels listed below with a 2025 return, 2 reported a lower CO₂ per nautical mile than this vessel.
Emissions by year2025–2025
| Year | CO₂ (t) | Fuel (t) | Distance (nm) | At sea (h) | At berth (t) | kg CO₂/nm | EEOI | Percentile |
|---|---|---|---|---|---|---|---|---|
| 2025 | 25 | 8 | — | 14 | 0 | 193.2 | — | — |
Vessel particulars
- IMO number
- 9250529
- Ship type
- Other ship types (Offshore)
- Gross tonnage
- 13,116
- Length overall
- 129.9 m
- Year built
- 2003
- Flag state
- Isle of Man per EU MRV 2025
- Port of registry
- DOUGLAS MRV 2025
- Operator
- Subsea 7
- Verifier
- DNV, Germany
- Accreditation
- VS-16026-01
- Compliance document issued
- 2026-03-31
- Compliance document expires
- 2027-06-30
Where the 2025 emissions occurred
Methane, nitrous oxide and EU ETS2025
- Total CO₂ equivalent
- 25 t
- Methane (CH₄)
- 0.00 t
- Nitrous oxide (N₂O)
- 0.00 t
- Under EU ETS
- 13 t, 50% 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.