TonneMiles

Other ship types (Offshore) · Cyprus flag · built 2013

SIEM DAY: CO₂ emissions 2025

IMO 9660102 MMSI 210708000EU ETS

CO₂ reported 2025
9,164 t
Fuel burned
2,859 t
Time at sea
6,593 h
Emitted at berth
2% of total
Share of year under way
75%
Gross tonnage
8,594
SIEM DAY
kees torn, CC BY-SA 2.0 · File

SIEM DAY against its type

Built in 2013, it is 2 years newer than the median offshore vessel on this register, which was built in 2011 (410 vessels with a known build year). At 8,594 gross tonnage it is larger than 81% of the other 396 offshore vessels with a recorded tonnage. It is one of 16 offshore vessels here under the Cyprus flag, 3.9% of the 413 on the register. The same builder is recorded for 10 other vessels here, 3 of them offshore vessels.

Its 9,164 t of CO₂ for 2025 is 2.3 times the median of 4,049 t among the 390 offshore vessels on this register that reported for 2025. Per nautical mile it emitted 707.4 kg CO₂, 2.0 times the type median of 348.3 kg. It logged 6,593 hours at sea against a median of 3,550 hours for its type that year. 2.1% 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, 8 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 9,164 2,859 — 6,593 191 707.4 — —

Vessel particulars

IMO number
9660102
MMSI
210708000
Ship type
Other ship types (Offshore)
Gross tonnage
8,594
Length overall
121.0 m
Year built
2013
Flag state
Cyprus per EU MRV 2025
Builder
Vard Brattvaag
Port of registry
LIMASSOL MRV 2025
Verifier
DNV, Germany
Accreditation
VS-16026-01
Compliance document issued
2026-07-10
Compliance document expires
2027-06-30

Where the 2025 emissions occurred

At berthAt berth: 191 t191Within EEA portsWithin EEA ports: 191 t191Voyages between EEA portsVoyages between EEA ports: 4,422 t4,422Voyages to an EEA portVoyages to an EEA port: 2,138 t2,138Voyages from an EEA portVoyages from an EEA port: 2,414 t2,414

Methane, nitrous oxide and EU ETS2025

Total CO₂ equivalent
9,305 t
Methane (CH₄)
0.14 t
Nitrous oxide (N₂O)
0.51 t
Under EU ETS
6,278 t, 69% of total

Observed movementsAIS · Norwegian waters

First seen
18 Aug 2025
Last seen
11 Jan 2026
Days observed
34
Positions
1,671
Median speed
9.7 kn

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

60.0062.005.006.007.00BergenKarstoMongstadStavangerAlesundArdalstangenBudEgersundFirst observed positionLast observed position100 nm°N°E

400 hourly points from 1,671 positions. Filled circle first, open circle last; squares are ports for orientation, not calls.

Positions recorded per month

Aug 25: 200 positionsAug 25200Sep 25: 250 positionsSep 25Oct 25: 494 positionsOct 25Dec 25: 368 positionsDec 25Jan 26: 359 positionsJan 26359

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