Navalyze · Vehicle carrier · Ship

DELPHINUS LEADER

IMO: 9174282
Type: Vehicle carrier
Average cargo carried: 5,046 t
Flag (estimated): Liberia
Port of registry: Monrovia
Technical efficiency: EEXI 14.00 g CO₂/t·nm

ISM company (DoC holder) in 2025: HACHIUMA STEAMSHIP CO.,LTD.

Report year

2021 at a glance

From the 2021 THETIS-MRV report. Carries about 6,239 t of cargo on average.

Fuel kg/nm

100

Vehicle carrier median 103 kg/nm (−3%)

CO₂ per transport work (cargo)

50.6

g CO₂/t·nm · Vehicle carrier median 59.6 (−15%)

Average speed

15.5 kn

Vehicle carrier median 14.4 kn (+8%)

Fuel per day at sea

37.1 t/day

Fuel consumed

2,866 t

CO₂ emitted

9,051 t

Distance sailed

28,660 nm

CO₂ ÷ CO₂ per mile

Time at sea

1,854 h

77 days, 21% of the year

Within the vehicle carrier fleet, 2025

Set against all 506 vehicle carrier 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 kg/nmThis ship 91.7 kg/nm · median 99.9 (−8%)

79.6Ranks 137 of 506, lowest first119

Average speedThis ship 14.4 kn · median 14.4 (+0%)

12.0Faster than 51% of vehicle carrier ships15.9

CO₂ per transport work (cargo)This ship 56.4 g CO₂/t·nm · median 55.4 (+2%)

34.7Ranks 259 of 506, lowest first158

Middle 80% of shipsMiddle 50%Vehicle carrier medianThis ship

Where the emissions happen, 2021

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 ports2%
From the EU55%
Into the EU39%
At berth in the EU3%

Fuel burned laden

–

Not reported

CO₂ at berth

310 t

3.4% of the ship's CO₂, alongside in EU ports

Methane (CH₄)

–

Mainly from LNG; small for oil, biofuel and methanol

CO₂eq uplift

–

CO₂eq on top of CO₂ alone, from CH₄ and N₂O

Over the years

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

Fuel kg/nm

DELPHINUS LEADER
Vehicle carrier median

90.095.0100.0105.0110.0

’192019’202020’212021’222022’252025

Average speed, kn

DELPHINUS LEADER
Vehicle carrier median

13.514.014.515.015.516.0

’192019’202020’212021’222022’252025

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

DELPHINUS LEADER
Vehicle carrier median

50.055.060.065.0

’192019’202020’212021’222022’252025

Year on year

Year	Average speed	Fuel kg/nm	Fuel per day at sea	Distance	CO₂ per transport work	Reading
2022→2025	−1.2 kn	−13%	−19%	+29%	−7%	1.2 kn slower, fuel per mile down 13%; in line with the speed change.
2021→2022	+0.1 kn	+5%	+6%	−54%	+20%	Same speed, fuel per mile up 5%; in line with the speed change.
2020→2021	+0.9 kn	−3%	+3%	−12%	−18%	0.9 kn faster, fuel per mile down 3%; better than speed alone explains (hull, engine or trade).
2019→2020	−0.1 kn	−2%	−3%	−17%	+3%	Same speed, fuel per mile down 2%; in line with the speed change.

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	Hours at seah	Average speedknots at sea	Fuel kg/nmthis ship	CO₂ per transport work (cargo)g/t·nm, this ship	Laden fuel
2025	HACHIUMA STEAMSHIP CO.,LTD.	1,557	4,833	16,978	1,175	14.4	91.7	56.4	–
2022	not published	1,387	4,377	13,189	843	15.6	105	60.8	–
2021	not published	2,866	9,051	28,660	1,854	15.5	100	50.6	–
2020	not published	3,345	10,581	32,517	2,234	14.6	103	61.7	–
2019	not published	4,140	12,966	39,239	2,672	14.7	106	59.7	–

Benchmark and verification

Year	ISM company	CO₂ per TW, g CO₂/t·nm	Vehicle carrier median	vs Vehicle carrier	Rank	Verifier	Methods
2025	HACHIUMA STEAMSHIP CO.,LTD.	56.4	55.4	+2%	259 of 506	ClassNK	C
2022	not published	60.8	57.7	+5%	254 of 463	ClassNK	C
2021	not published	50.6	59.6	−15%	142 of 459	ClassNK	C
2020	not published	61.7	57.3	+8%	255 of 449	ClassNK	C
2019	not published	59.7	59.0	+1%	221 of 426	ClassNK	C

Fuel per mile and CO₂ per tonne-mile are the ship's own reported KPIs. Vehicle carrier 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 vehicle carrier 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.