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Compare operators, 2025

Pick a company or group, then the competitors to hold it against, or compare verifiers. Every figure comes from the public THETIS-MRV reports for EU and EEA voyages.

YASA TANKER ISLETMECILIGI A.S.your view

Side by side

All 2025 reports of each operator, across every ship type. Change is against 2024 where the operator reported then.

	YASA TANKER ISLETMECILIGI A.S.
Ships	12
CO₂ emitted	108 kt−24.8%
Fuel per mile	122 kg/nm
Average speed	10.9 kn
CO₂ at berth	7.3%
Ships burning LNG	0
Main segment	Oil tanker

Fuel per mile and speed depend on ship size and type; compare them within a segment below.

Segment by segment

Efficiency only compares within a ship type. Each row gives the CO₂ per transport work of an operator's typical (median) ship, and the bar sets it against the typical ship of the whole segment: to the left of the line it emits less CO₂ for the same transport work, to the right more.

Oil tanker

CO₂ per transport work (cargo) in g CO₂/t·nm · segment median 8.0

YASA TANKER ISLETMECILIGI A.S.6.6 (−18% vs median)
← bettersegment medianworse →

	Ships	Per work	vs median	Fuel kg/nm	Speed kn	Hours at sea	At berth	LNG
YASA TANKER ISLETMECILIGI A.S.	5	6.6	−18%	160	10.2	2,630	6.4%	–
Segment median		8.0	0%

Chemical tanker

CO₂ per transport work (cargo) in g CO₂/t·nm · segment median 15.0

YASA TANKER ISLETMECILIGI A.S.8.4 (−44% vs median)
← bettersegment medianworse →

	Ships	Per work	vs median	Fuel kg/nm	Speed kn	Hours at sea	At berth	LNG
YASA TANKER ISLETMECILIGI A.S.	7	8.4	−44%	87	11.5	1,837	8.9%	–
Segment median		15.0	0%

Verification and monitoring

Who verifies each operator's reports, and which MRV methods its ships use to measure fuel (share of reports).

	Verifiers (ships)	A · delivery notes	B · tank monitoring	C · flow meters	D · direct
YASA TANKER ISLETMECILIGI A.S.	ClassNK (12)	33%	33%	67%	0%

YASA TANKER ISLETMECILIGI A.S.: ships furthest from their peers

Each ship's CO₂ per transport work against the median ship of its type and size band. +100% means the ship emits twice as much CO₂ for the same transport work as a typical ship of its size. Ro-pax ships show passenger figures, with freight underneath.

Ship	IMO	Segment	CO₂ per transport work	Size-band median	vs median	Speed kn	CO₂	Allowances
YASA SCORPION	9643271	Oil tanker	5.9 g CO₂/t·nm	4.6	+29%	11.6	9,193 t	€259k
YASA GOLDEN DARDANELLES	9339985	Oil tanker	7.3 g CO₂/t·nm	6.3	+16%	8.8	15,891 t	€453k
YASA ALBATROSS	9857212	Chemical tanker	9.4 g CO₂/t·nm	8.2	+15%	11.5	11,640 t	€404k
YASA FLAMINGO	9857236	Chemical tanker	9.3 g CO₂/t·nm	8.2	+14%	11.5	4,252 t	€133k
YASA GOLDEN BOSPHORUS	9334038	Oil tanker	6.6 g CO₂/t·nm	6.3	+4%	10.5	13,499 t	€406k
YASA VEGA	9888352	Chemical tanker	8.4 g CO₂/t·nm	8.2	+3%	12.1	4,196 t	€157k
YASA SWAN	9857248	Chemical tanker	7.9 g CO₂/t·nm	8.2	−3%	12.1	8,057 t	€243k
YASA ORION	9888340	Chemical tanker	11.0 g CO₂/t·nm	11.5	−5%	10.6	3,952 t	€155k
YASA SOUTHERN CROSS	9534030	Oil tanker	4.1 g CO₂/t·nm	4.6	−11%	10.0	5,534 t	€153k
YASA POLARIS	9907457	Oil tanker	7.1 g CO₂/t·nm	8.2	−13%	10.8	23,044 t	€669k
YASA HAWK	9619531	Chemical tanker	6.8 g CO₂/t·nm	8.2	−17%	11.7	4,348 t	€130k
YASA SEAGULL	9619543	Chemical tanker	8.2 g CO₂/t·nm	11.5	−29%	11.0	4,065 t	€123k

30 of 12 reports shown. A high ratio can mean an older or faster-sailing ship, short trades with much time manoeuvring, or part-loaded voyages; it marks where to look first.

Notes

Companies are ISM companies (Document of Compliance holders) as named in THETIS, usually the ship manager.
Groups combine ISM companies matched on name and known ownership. If a company is in the wrong group, tell us at info@navalyze.com.
Efficiency figures use full-year reports with fuel; totals include part-year reports.
Euro figures use the EUA price set at the top of the page.
Verifier names vary by entity and year (for example DNV AS and DNV Hellas); they are rolled up into one brand. A verifier's figures cover the ships whose 2025 report it verified.