TonneMiles

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

TROMS ARCTURUS: CO₂ emissions 2025

IMO 9694000 MMSI 257131000EU ETS

CO₂ reported 2025
7,630 t
Fuel burned
2,380 t
Time at sea
5,857 h
Emitted at berth
2% of total
Share of year under way
67%
Gross tonnage
4,969

TROMS ARCTURUS 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 4,969 gross tonnage it is larger than 63% 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.

Its 7,630 t of CO₂ for 2025 is 1.9 times the median of 4,049 t among the 390 offshore vessels on this register that reported for 2025. Per nautical mile it emitted 240.0 kg CO₂, 31% below the type median of 348.3 kg. It logged 5,857 hours at sea against a median of 3,550 hours for its type that year. 1.7% 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, 0 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 7,630 2,380 — 5,857 131 240.0 — —

Vessel particulars

IMO number
9694000
MMSI
257131000
Call sign
LKNL
Ship type
Other ship types (Offshore)
Gross tonnage
4,969
Length overall
95.0 m
Beam
21.0 m
Year built
2014
Flag state
Norway per EU MRV 2025
Port of registry
TROMSØ MRV 2025
Verifier
DNV, Germany
Accreditation
VS-16026-01
Compliance document issued
2026-06-15
Compliance document expires
2027-06-30

Where the 2025 emissions occurred

At berthAt berth: 131 t131Within EEA portsWithin EEA ports: 131 t131Voyages between EEA portsVoyages between EEA ports: 7,499 t7,499

Methane, nitrous oxide and EU ETS2025

Total CO₂ equivalent
7,747 t
Methane (CH₄)
0.12 t
Nitrous oxide (N₂O)
0.43 t
Under EU ETS
7,630 t, 100% of total

Observed movementsAIS · Norwegian waters

First seen
31 Jul 2025
Last seen
27 Jul 2026
Days observed
281
Positions
22,443
Median speed
9.0 kn

Its recorded positions span 60.4°N to 64.0°N and 4.4°E to 9.4°E.

61.0062.0063.006.008.00MongstadAlesundAndalsnesArdalstangenBudFloroKristiansundMaloyFirst observed positionLast observed position100 nm°N°E

400 hourly points from 22,443 positions. Filled circle first, open circle last; squares are ports for orientation, not calls.

Positions recorded per month

Jul 25: 68 positionsJul 2568Aug 25: 2,012 positionsAug 25Sep 25: 2,585 positionsSep 25Oct 25: 2,044 positionsOct 25Nov 25: 1,605 positionsNov 25Dec 25: 1,988 positionsDec 25Jan 26: 2,092 positionsJan 26Feb 26: 2,109 positionsFeb 26Mar 26: 1,679 positionsMar 26Apr 26: 1,855 positionsApr 26May 26: 1,877 positionsMay 26Jun 26: 1,571 positionsJun 26Jul 26: 958 positionsJul 26958

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, 4 of 5 vessel particulars and AIS movements in Norwegian waters. Not found in the sources for this vessel: an efficiency ranking, 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.

Comparable vesselsnearest by tonnage, same type