Navalyze · Oil tanker · Ship

ARROW STAR 1

IMO: 9435313
Type: Oil tanker
Average cargo carried: 3,673 t
Port of registry: Valletta
Technical efficiency: EIV 11.87 g CO₂/t·nm
Ice class: IC

ISM company (DoC holder) in 2025: Arrowstar Trading Petrol Denizcilik A.S.

Report year

2025 at a glance

From the 2025 THETIS-MRV report. Carries about 3,673 t of cargo on average.

Fuel per mile

68.7 kg/nm

Oil tanker median 128.5 kg/nm (−47%)

CO₂ per transport work (cargo)

59.26

g CO₂/t·nm · Oil tanker median 7.95 (+645%)

Average speed

5.2 kn

Oil tanker median 10.7 kn (−51%)

Fuel per day at sea

8.6 t/day

Fuel consumed

820 t

CO₂ emitted

2,597 t

2,638 t CO₂eq incl. CH₄ and N₂O

Distance sailed

11,933 nm

CO₂ ÷ CO₂ per mile

Time at sea

2,276 h

95 days, 26% of the year

Within the oil tanker fleet, 2025

Set against all 1,665 oil tanker ships with a full-year 2025 report. Bigger ships burn more per mile but less per tonne of cargo, so read fuel per mile with the ship's size in mind.

Fuel per mileThis ship 68.7 kg/nm · median 128.5 (−47%)

76.1Ranks 120 of 1,665, lowest first190.8

Average speedThis ship 5.2 kn · median 10.7 (−51%)

8.0Faster than 1% of oil tanker ships12.1

CO₂ per transport work (cargo)This ship 59.26 g CO₂/t·nm · median 7.95 (+645%)

4.51Ranks 1,625 of 1,665, lowest first27.66

Middle 80% of shipsMiddle 50%Oil tanker medianThis ship

Where the emissions happen, 2025

THETIS splits each ship's CO₂ by voyage type. The split sets how much falls under the EU ETS: all of it within the EU and at berth, half of it on voyages into or out of the EU.

Between EU ports34%
From the EU49%
Into the EU6%
At berth in the EU10%

72% of this ship's CO₂ falls under the EU ETS (1,879 t).

Fuel burned laden

–

Not reported

CO₂ at berth

10.4%

Alongside in EU ports

Methane (CH₄)

0.0 t

Mainly from LNG; small for oil

CO₂eq ÷ CO₂

1.016

Uplift from CH₄ and N₂O, counted in full from 2026

Over the years

Full-year reports only. The Oil tanker median is the middle ship of all oil tanker ships reporting that year; it moves with the fleet, so a ship can gain on it without changing itself.

Fuel per mile, kg/nm

ARROW STAR 1
Oil tanker median

60.080.0100.0120.0140.0

’192019’202020’212021’222022’242024’252025

Average speed, kn

ARROW STAR 1
Oil tanker median

4.06.08.010.012.0

’192019’202020’212021’222022’242024’252025

CO₂ per transport work (cargo), g CO₂/t·nm

ARROW STAR 1
Oil tanker median

0.020.040.060.0

’192019’202020’212021’222022’242024’252025

Year on year

Year	Speed	Fuel per mile	Fuel per day	Distance	CO₂ per TW	Reading
2024→2025	−3.7 kn	+13%	−34%	−65%	+96%	3.7 kn slower, fuel per mile up 13%; worse than speed alone explains (fouling, weather, loading or trade).
2022→2024	+0.3 kn	−19%	−16%	+51%	−32%	0.3 kn faster, fuel per mile down 19%; better than speed alone explains (hull, engine or trade).
2021→2022	−0.2 kn	+20%	+17%	−13%	+21%	Same speed, fuel per mile up 20%; worse than speed alone explains (fouling, weather, loading or trade).
2020→2021	−0.6 kn	−1%	−7%	−24%	+9%	0.6 kn slower, fuel per mile flat; worse than speed alone explains (fouling, weather, loading or trade).
2019→2020	+1.8 kn	+2%	+26%	−6%	+6%	1.8 kn faster, fuel per mile flat; better than speed alone explains (hull, engine or trade).

Fuel per mile rises roughly with the square of speed for a given ship, so a change in speed explains much of a change in fuel per mile.

Every reporting year

One row per THETIS-MRV report. A ship that changed operator during a year has a part-year report for each.

Operation

Year	ISM company	Fuel t	CO₂ t	Distance nm	At sea h	Speed kn	Fuel kg/nm	CO₂ g/t·nm	Laden fuel
2025	Arrowstar Trading Petrol Denizcilik A.S.	820	2,597	11,933	2,276	5.2	68.7	59.26	–
2024	Arrowstar Trading Petrol Denizcilik A.S.	2,059	6,455	33,969	3,815	8.9	60.6	30.27	–
2022	not published	1,692	5,355	22,566	2,637	8.6	75.0	44.72	–
2021	not published	1,618	5,120	25,907	2,935	8.8	62.5	37.11	–
2020	not published	2,153	6,806	34,146	3,647	9.4	63.1	34.02	–
2019	not published	2,249	7,105	36,299	4,770	7.6	62.0	32.11	–

Benchmark and verification

Year	ISM company	CO₂ per TW, g CO₂/t·nm	Oil tanker median	vs Oil tanker	Rank	Verifier	Methods
2025	Arrowstar Trading Petrol Denizcilik A.S.	59.26	7.95	+645%	1,625 of 1,665	EnvService	A
2024	Arrowstar Trading Petrol Denizcilik A.S.	30.27	8.06	+276%	1,657 of 1,787	EnvService	A
2022	not published	44.72	8.51	+425%	1,892 of 1,961	Bureau Veritas	A
2021	not published	37.11	8.86	+319%	1,687 of 1,789	Bureau Veritas	A
2020	not published	34.02	9.03	+277%	1,760 of 1,870	Bureau Veritas	A
2019	not published	32.11	8.83	+264%	1,806 of 1,919	Bureau Veritas	A

Fuel per mile and CO₂ per tonne-mile are the ship's own reported KPIs. Oil tanker ships are benchmarked on CO₂ per transport work (cargo) (TW), in g CO₂/t·nm. CO₂eq adds methane and nitrous oxide and is in the public files from 2024. Rank counts from the lowest figure among that year's oil tanker ships. Methods: A delivery notes, B tank monitoring, C flow meters, D direct measurement. FuelEU GHG intensity is not shown: it needs fuel types, which the public file does not carry. Operators are named only from 2024, the first year the public files carry them; earlier years belong to the ship, not to any company.