TonneMiles

Chemical tanker · Panama flag · built 2010

IONIAN NAVIGATOR: CO₂ emissions 2023–2025

IMO 9422237 EU ETS3 reporting years

CO₂ reported 2025
5,437 t
Fuel burned
1,739 t
Distance
17,285 nm
Time at sea
1,525 h
Share of year under way
17%
Gross tonnage
29,202

IONIAN NAVIGATOR against its type

Built in 2010, it is the same age as the median chemical tanker on this register (build year 2010, 1,951 vessels with a known build year). At 29,202 gross tonnage it is larger than 68% of the other 1,899 chemical tankers with a recorded tonnage. It is one of 259 chemical tankers here under the Panama flag, 11.0% of the 2,344 on the register. The same builder is recorded for 983 other vessels here, 330 of them chemical tankers. Its MRV returns name it TAMIAT NAVIGATOR for 2023–2024 and IONIAN NAVIGATOR for 2025. The returns for 2023–2025 all give PANAMA as port of registry.

Its 5,437 t of CO₂ for 2025 is close to the median of 5,533 t among the 1,483 chemical tankers on this register that reported for 2025. Per nautical mile it emitted 314.6 kg CO₂, 26% above the type median of 250.2 kg. It logged 1,525 hours at sea against a median of 2,109 hours for its type that year. 0.0% of its 2025 emissions were at berth; the median for chemical tankers was 6.6%. Across 3 years with reported emissions, the highest was 2024 (14,824 t) and the lowest 2023 (2,228 t). Of the 5 sister ships listed below with a 2025 return, 1 reported a lower CO₂ per nautical mile than this vessel.

Emissions by year2023–2025

Year CO₂ (t) Fuel (t) Distance (nm) At sea (h) At berth (t) kg CO₂/nm EEOI Percentile
2025 5,437 1,739 17,285 1,525 0 314.6 26.3 80
2024 14,824 4,725 — 3,901 0 322.7 — —
2023 2,228 715 — 582 36 283.6 365.8 not ranked

Vessel particulars

IMO number
9422237
Previously reported as
TAMIAT NAVIGATOR
Ship type
Chemical tanker
Gross tonnage
29,202
Length overall
183.3 m
Beam
32.2 m
Year built
2010
Flag state
Panama per EU MRV 2025
Builder
HD Hyundai Mipo
Port of registry
PANAMA MRV 2025
Technical efficiency (design)
EEXI (5.1 gCO₂/t·nm)
Verifier
ICS Verification Services Single Member P.C., Greece
Accreditation
1101-3
Compliance document issued
2026-02-18
Compliance document expires
2027-06-30

Efficiency against its own type2025

Position 1,075 of 1,348 qualifying chemical tankers by EEOI, at the 80th percentile. The dashed line is the type median, 14.4; this vessel reported 26.3.

0255075100more efficientless efficientThis vessel: 80th percentile, EEOI 26.3

EEOI divides emissions by transport work, which for this vessel and year was 206,738,403 tonne-miles over 17,285 nautical miles.

Reported CO₂ by year

2023: 2,228 t20232,2282024: 14,824 t20242025: 5,437 t20255,437

Reported CO₂ in 2025 was 144.0% higher than in 2023, for EU/EEA voyages only.

From 2024 to 2025, emissions fell 63.3% and CO₂ per nautical mile fell 2.5%.Distance is missing for at least one of the two years, so activity and efficiency cannot be separated here.

Where the 2025 emissions occurred

Within EEA portsWithin EEA ports: 163 t163Voyages between EEA portsVoyages between EEA ports: 48 t48Voyages to an EEA portVoyages to an EEA port: 1,390 t1,390Voyages from an EEA portVoyages from an EEA port: 3,836 t3,836

Methane, nitrous oxide and EU ETS2025

Total CO₂ equivalent
5,523 t
Methane (CH₄)
0.09 t
Nitrous oxide (N₂O)
0.31 t

Verifier history

From reporting yearVerifierAccredited in
2023Nippon Kaiji KyokaiJapan
2025ICS Verification Services Single Member P.C.Greece

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

Sources and how to read this

This page draws on 3 MRV reporting years, an efficiency ranking, 5 of 5 vessel particulars and a name history. Not found in the sources for this vessel: AIS movements in Norwegian waters, 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 vesselssister ships and nearest by tonnage