TonneMiles

Other ship types (Offshore) · Bahamas flag · built 2014

NORSIDE SUPPORTER: CO₂ emissions 2025

IMO 9671632 EU ETS

CO₂ reported 2025
3,968 t
Fuel burned
1,238 t
Time at sea
6,487 h
Emitted at berth
8% of total
Share of year under way
74%
Gross tonnage
4,224
NORSIDE SUPPORTER
Thomas Dahlstrøm Nielsen, CC BY-SA 4.0 · File

NORSIDE SUPPORTER against its type

Built in 2014, it is 3 years newer than the median offshore vessel on this register, which was built in 2011 (410 vessels with a known build year). At 4,224 gross tonnage it is larger than 52% 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 5 other vessels here, 4 of them offshore vessels.

Its 3,968 t of CO₂ for 2025 is close to the median of 4,049 t among the 390 offshore vessels on this register that reported for 2025. Per nautical mile it emitted 631.3 kg CO₂, 1.8 times the type median of 348.3 kg. It logged 6,487 hours at sea against a median of 3,550 hours for its type that year. 7.7% of its 2025 emissions were at berth; the median for offshore vessels was 6.4%. Of the 2 sister ships listed below with a 2025 return, 1 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 3,968 1,238 — 6,487 305 631.3 — —

Vessel particulars

IMO number
9671632
Ship type
Other ship types (Offshore)
Gross tonnage
4,224
Year built
2014
Flag state
Bahamas per EU MRV 2025
Sources disagree: Wikidata/AIS (undated) list Norway. The flag shown is from the newest official source, the EU MRV return for 2025.
Builder
Kvaerner Fjellstrand
Port of registry
Nassau MRV 2025
Verifier
Bureau Veritas Certification France, France
Accreditation
3-2047 rev. 4
Compliance document issued
2026-07-20
Compliance document expires
2027-06-30

Where the 2025 emissions occurred

At berthAt berth: 305 t305Within EEA portsWithin EEA ports: 305 t305Voyages between EEA portsVoyages between EEA ports: 3,477 t3,477Voyages to an EEA portVoyages to an EEA port: 186 t186

Methane, nitrous oxide and EU ETS2025

Total CO₂ equivalent
4,029 t
Methane (CH₄)
0.06 t
Nitrous oxide (N₂O)
0.22 t
Under EU ETS
3,875 t, 98% of total

Sources and how to read this

This page draws on 1 MRV reporting year, 4 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.

Comparable vesselssister ships and nearest by tonnage