TonneMiles

Other ship types (Offshore) · Norway flag · built 2011

AURORA SALTFJORD: CO₂ emissions 2025

IMO 9470478 MMSI 257577000EU ETS

CO₂ reported 2025
8,659 t
Fuel burned
2,701 t
Time at sea
4,127 h
Emitted at berth
4% of total
Share of year under way
47%
Gross tonnage
8,360
AURORA SALTFJORD
Gordon Leggett, CC BY-SA 4.0 · File

AURORA SALTFJORD against its type

Built in 2011, it is the same age as the median offshore vessel on this register (build year 2011, 410 vessels with a known build year). At 8,360 gross tonnage it is larger than 80% of the other 396 offshore vessels with a recorded tonnage. It is one of 70 offshore vessels here under the Norway flag, 16.9% of the 413 on the register. The same builder is recorded for 13 other vessels here, 10 of them offshore vessels. K Line Offshore AS is linked to 3 vessels on this register.

Its 8,659 t of CO₂ for 2025 is 2.1 times the median of 4,049 t among the 390 offshore vessels on this register that reported for 2025. Per nautical mile it emitted 538.3 kg CO₂, 1.5 times the type median of 348.3 kg. It logged 4,127 hours at sea against a median of 3,550 hours for its type that year. 4.4% of its 2025 emissions were at berth; the median for offshore vessels was 6.4%. Of the 6 sister ships listed below with a 2025 return, 4 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 8,659 2,701 — 4,127 385 538.3 — —

Vessel particulars

IMO number
9470478
MMSI
257577000
Ship type
Other ship types (Offshore)
Gross tonnage
8,360
Length overall
95.0 m
Beam
24.0 m
Year built
2011
Flag state
Norway per EU MRV 2025
Builder
Langsten Slip & Båtbyggeri
Port of registry
Arendal MRV 2025
Home port
Kristiansand
Operator
K Line Offshore AS
Verifier
DNV, Germany
Accreditation
VS-16026-01
Compliance document issued
2026-04-29
Compliance document expires
2027-06-30

Where the 2025 emissions occurred

At berthAt berth: 385 t385Within EEA portsWithin EEA ports: 422 t422Voyages between EEA portsVoyages between EEA ports: 4,053 t4,053Voyages to an EEA portVoyages to an EEA port: 2,658 t2,658Voyages from an EEA portVoyages from an EEA port: 1,526 t1,526

Methane, nitrous oxide and EU ETS2025

Total CO₂ equivalent
8,792 t
Methane (CH₄)
0.14 t
Nitrous oxide (N₂O)
0.49 t
Under EU ETS
6,567 t, 76% of total

Observed movementsAIS · Norwegian waters

First seen
31 Jul 2025
Last seen
09 Jul 2026
Days observed
201
Positions
10,026
Median speed
9.8 kn

Its recorded positions span 58.0°N to 64.0°N and 4.4°E to 7.8°E.

60.0062.005.006.007.00BergenKarstoMongstadStavangerAlesundBudEgersundEspevaerFirst observed positionLast observed position100 nm°N°E

400 hourly points from 10,026 positions. Filled circle first, open circle last; squares are ports for orientation, not calls.

Positions recorded per month

Jul 25: 29 positionsJul 2529Aug 25: 934 positionsAug 25Sep 25: 1,153 positionsSep 25Oct 25: 938 positionsOct 25Nov 25: 723 positionsNov 25Dec 25: 1,578 positionsDec 25Feb 26: 564 positionsFeb 26Mar 26: 1,553 positionsMar 26Apr 26: 1,224 positionsApr 26May 26: 930 positionsMay 26Jun 26: 175 positionsJun 26Jul 26: 225 positionsJul 26225

Norwegian Coastal Administration open AIS, Norwegian waters only, 01 Jul 2025 to 27 Jul 2026. A gap means the vessel was not recorded here, not that it was idle or that a transponder was off.

Sources and how to read this

This page draws on 1 MRV reporting year, 5 of 5 vessel particulars, AIS movements in Norwegian waters and a licensed photograph. Not found in the sources for this vessel: an efficiency ranking, 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