TonneMiles

Gas carrier · Palau flag · built 1998

SIGMAGAS: CO₂ emissions 2018–2025

IMO 9183568 5 reporting years

CO₂ reported 2022
5,891 t
Fuel burned
1,865 t
Distance
31,559 nm
Time at sea
2,585 h
Emitted at berth
6% of total
Share of year under way
30%
Gross tonnage
6,051
SIGMAGAS
AlfvanBeem, CC0 · File

SIGMAGAS against its type

Built in 1998, it is 15 years older than the median gas carrier on this register, which was built in 2013 (530 vessels with a known build year). At 6,051 gross tonnage it is smaller than 92% of the other 525 gas carriers with a recorded tonnage. It is one of 2 gas carriers here under the Palau flag, 0.3% of the 688 on the register. The same builder is recorded for 761 other vessels here, 100 of them gas carriers. Sloman Neptun Schiffahrts-Aktiengesellschaft is linked to 8 vessels on this register. Its MRV returns name it SIGMAGAS for 2018–2020, SIGMAGAS (SIGMAGAS) for 2021–2022 and GAS CATALINA for 2025. The reported port of registry changed: Saint John's (2018–2020), then Saint John's (AG SJO) (2021–2022), then Malakal Harbor (2025).

Its 5,891 t of CO₂ for 2022 is 11% below the median of 6,608 t among the 355 gas carriers on this register that reported for 2022. Per nautical mile it emitted 186.7 kg CO₂, 33% below the type median of 279.0 kg. It logged 2,585 hours at sea against a median of 1,992 hours for its type that year. 6.4% of its 2022 emissions were at berth; the median for gas carriers was 5.7%. Across 4 years with reported emissions, the highest was 2022 (5,891 t) and the lowest 2018 (1,858 t). Its efficiency percentile within the type went from 64 in 2018 to 69 in 2022 (lower is more efficient). The one sister ship listed below with a 2022 return reported a lower CO₂ per nautical mile.

No EU/EEA voyages were reported for 2025: zero CO₂ and zero time at sea, left out of the trend and of any ranking.

Emissions by year2018–2025

Year CO₂ (t) Fuel (t) Distance (nm) At sea (h) At berth (t) kg CO₂/nm EEOI Percentile
2025 No EU/EEA voyages reported
2022 5,891 1,865 31,559 2,585 376 186.7 59.0 69
2021 4,108 1,284 — 2,228 257 182.8 247.6 not ranked
2020 4,666 1,462 34,958 2,848 51 133.5 60.4 67
2018 1,858 590 10,780 966 67 172.4 69.5 64

Vessel particulars

IMO number
9183568
Previously reported as
SIGMAGAS (SIGMAGAS), GAS CATALINA
Ship type
Gas carrier
Gross tonnage
6,051
Length overall
118.9 m
Beam
17.2 m
Year built
1998
Flag state
Palau per EU MRV 2025
Sources disagree: Wikidata/AIS (undated) list Antigua and Barbuda. The flag shown is from the newest official source, the EU MRV return for 2025.
Builder
HD Hyundai Heavy Industries
Port of registry
Saint John's (AG SJO) MRV 2022
Technical efficiency (design)
EEXI (15.97 gCO₂/t·nm)
Operator
Sloman Neptun Schiffahrts-Aktiengesellschaft
Verifier
Swiss Climate EcoCare GmbH, Germany
Accreditation
D-VS-20810-01
Compliance document issued
2023-05-22
Compliance document expires
2024-06-30

Efficiency against its own type2022

Position 217 of 316 qualifying gas carriers by EEOI, at the 69th percentile. The dashed line is the type median, 38.5; this vessel reported 59.0.

0255075100more efficientless efficientThis vessel: 69th percentile, EEOI 59.0

Across the 8 ranked vessels operated by Sloman Neptun Schiffahrts-Aktiengesellschaft, the median percentile is 87. This vessel is more efficient than its own fleet median.

EEOI divides emissions by transport work, which for this vessel and year was 99,844,915 tonne-miles over 31,559 nautical miles.

Reported CO₂ by year

2018: 1,858 t20181,8582020: 4,666 t20202021: 4,108 t20212022: 5,891 t20225,891

Reported CO₂ in 2022 was 217.0% higher than in 2018, for EU/EEA voyages only. No return is recorded for 2019, 2023, 2024, so the series has gaps.

From 2021 to 2022, emissions rose 43.4% and CO₂ per nautical mile rose 2.1%.Distance is missing for at least one of the two years, so activity and efficiency cannot be separated here.

Where the 2022 emissions occurred

At berthAt berth: 376 t376Voyages between EEA portsVoyages between EEA ports: 862 t862Voyages to an EEA portVoyages to an EEA port: 2,368 t2,368Voyages from an EEA portVoyages from an EEA port: 2,285 t2,285

Verifier history

From reporting yearVerifierAccredited in
2018Swiss Climate EcoCare GmbHGermany
2025Korean RegisterKorea, Republic of

A change of verifier is not in itself a sign of anything being wrong.

Sources and how to read this

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