TonneMiles

Other ship types (Offshore) · Isle of Man flag · built 1999

SEVEN NAVICA: CO₂ emissions 2025

IMO 9177856 MMSI 232419000EU ETS

CO₂ reported 2025
4,545 t
Fuel burned
1,418 t
Time at sea
2,192 h
Emitted at berth
31% of total
Share of year under way
25%
Gross tonnage
6,083
SEVEN NAVICA
alljengi from Edinburgh, CC BY-SA 2.0 · File

SEVEN NAVICA against its type

Built in 1999, it is 12 years older than the median offshore vessel on this register, which was built in 2011 (410 vessels with a known build year). At 6,083 gross tonnage it is larger than 72% 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 10 other vessels here, 3 of them offshore vessels.

Its 4,545 t of CO₂ for 2025 is 12% above the median of 4,049 t among the 390 offshore vessels on this register that reported for 2025. Per nautical mile it emitted 540.6 kg CO₂, 1.6 times the type median of 348.3 kg. It logged 2,192 hours at sea against a median of 3,550 hours for its type that year. 31.0% 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, 6 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 4,545 1,418 — 2,192 1,407 540.6 — —

Vessel particulars

IMO number
9177856
MMSI
232419000
Call sign
MZHR7
Ship type
Other ship types (Offshore)
Gross tonnage
6,083
Length overall
108.0 m
Beam
22.0 m
Year built
1999
Flag state
Isle of Man per EU MRV 2025
Sources disagree: Wikidata/AIS (undated) list United Kingdom. The flag shown is from the newest official source, the EU MRV return for 2025.
Builder
Vard Brattvaag
Port of registry
DOUGLAS MRV 2025
Verifier
DNV, Germany
Accreditation
VS-16026-01
Compliance document issued
2026-03-30
Compliance document expires
2027-06-30

Where the 2025 emissions occurred

At berthAt berth: 1,407 t1,407Within EEA portsWithin EEA ports: 1,460 t1,460Voyages between EEA portsVoyages between EEA ports: 2,463 t2,463Voyages to an EEA portVoyages to an EEA port: 211 t211Voyages from an EEA portVoyages from an EEA port: 412 t412

Methane, nitrous oxide and EU ETS2025

Total CO₂ equivalent
4,615 t
Methane (CH₄)
0.07 t
Nitrous oxide (N₂O)
0.26 t
Under EU ETS
4,234 t, 93% of total

Observed movementsAIS · Norwegian waters

First seen
01 Aug 2025
Last seen
23 Jun 2026
Days observed
96
Positions
3,980
Median speed
11.1 kn

Its recorded positions span 58.0°N to 63.7°N and 4.4°E to 6.1°E.

60.0062.004.505.005.506.00BergenKarstoMongstadStavangerEgersundEspevaerFloroHareidFirst observed positionLast observed position100 nm°N°E

400 hourly points from 3,980 positions. Filled circle first, open circle last; squares are ports for orientation, not calls.

Positions recorded per month

Aug 25: 930 positionsAug 25930Sep 25: 255 positionsSep 25Mar 26: 247 positionsMar 26Apr 26: 1,083 positionsApr 26May 26: 944 positionsMay 26Jun 26: 521 positionsJun 26521

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 vesselsnearest by tonnage, same type