Navalyze · Vehicle carrier · Ship

TANNHAUSER

IMO: 9731640
Type: Vehicle carrier
Average cargo carried: 10,333 t
Flag (estimated): Sweden
Port of registry: Stockholm
Technical efficiency: EEXI 12.77 g CO₂/t·nm

ISM company (DoC holder) in 2025: NF SHIPPING Maritime 4 Ltd.

Report year

2023 at a glance

From the 2023 THETIS-MRV report. Carries about 9,838 t of cargo on average.

Fuel kg/nm

105

Vehicle carrier median 103 kg/nm (+2%)

CO₂ per transport work (cargo)

33.8

g CO₂/t·nm · Vehicle carrier median 56.6 (−40%)

Average speed

13.5 kn

Vehicle carrier median 14.5 kn (−7%)

Fuel per day at sea

34.1 t/day

Fuel consumed

3,160 t

CO₂ emitted

10,010 t

Distance sailed

30,103 nm

CO₂ ÷ CO₂ per mile

Time at sea

2,223 h

93 days, 25% 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 106 kg/nm · median 99.9 (+6%)

79.6Ranks 344 of 506, lowest first119

Average speedThis ship 15.9 kn · median 14.4 (+10%)

12.0Faster than 88% of vehicle carrier ships15.9

CO₂ per transport work (cargo)This ship 32.1 g CO₂/t·nm · median 55.4 (−42%)

34.7Ranks 32 of 506, lowest first158

Middle 80% of shipsMiddle 50%Vehicle carrier medianThis ship

Where the emissions happen, 2023

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 ports6%
From the EU35%
Into the EU53%
At berth in the EU6%

Fuel burned laden

–

Not reported

CO₂ at berth

621 t

6.2% 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

TANNHAUSER
Vehicle carrier median

95.0100.0105.0110.0

’202020’212021’222022’232023’242024’252025

Average speed, kn

TANNHAUSER
Vehicle carrier median

13.014.015.016.0

’202020’212021’222022’232023’242024’252025

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

TANNHAUSER
Vehicle carrier median

20.030.040.050.060.0

’202020’212021’222022’232023’242024’252025

Year on year

Year	Average speed	Fuel kg/nm	Fuel per day at sea	Distance	CO₂ per transport work	Reading
2024→2025	+0.6 kn	+7%	+11%	−19%	−6%	0.6 kn faster, fuel per mile up 7%; in line with the speed change.
2023→2024	+1.8 kn	−6%	+6%	+110%	+1%	1.8 kn faster, fuel per mile down 6%; better than speed alone explains (hull, engine or trade).
2022→2023	−0.2 kn	+8%	+7%	−16%	+25%	Same speed, fuel per mile up 8%; worse than speed alone explains (fouling, weather, loading or trade).
2021→2022	+0.3 kn	−9%	−7%	+11%	−22%	Same speed, fuel per mile down 9%; better than speed alone explains (hull, engine or trade).
2020→2021	−1.6 kn	−1%	−12%	+116%	−4%	1.6 kn slower, fuel per mile flat; worse than speed alone explains (fouling, weather, loading 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	Hours at seah	Average speedknots at sea	Fuel kg/nmthis ship	CO₂ per transport work (cargo)g/t·nm, this ship	Laden fuel
2025	NF SHIPPING Maritime 4 Ltd.	5,411	16,970	51,131	3,225	15.9	106	32.1	–
2024	NF SHIPPING Maritime 4 Ltd.	6,263	19,676	63,282	4,139	15.3	99.0	34.1	–
2023	not published	3,160	10,010	30,103	2,223	13.5	105	33.8	–
2022	not published	3,491	10,948	35,963	2,622	13.7	97.1	27.0	–
2021	not published	3,455	10,858	32,513	2,419	13.4	106	34.8	–
2020	not published	1,622	5,088	15,060	1,003	15.0	108	36.1	–

Benchmark and verification

Year	ISM company	CO₂ per TW, g CO₂/t·nm	Vehicle carrier median	vs Vehicle carrier	Rank	Verifier	Methods
2025	NF SHIPPING Maritime 4 Ltd.	32.1	55.4	−42%	32 of 506	DNV	C
2024	NF SHIPPING Maritime 4 Ltd.	34.1	55.3	−38%	19 of 335	DNV	C
2023	not published	33.8	56.6	−40%	18 of 417	DNV	C
2022	not published	27.0	57.7	−53%	5 of 463	Lloyd's Register	C
2021	not published	34.8	59.6	−42%	10 of 459	Lloyd's Register	C
2020	not published	36.1	57.3	−37%	24 of 449	Lloyd's Register	A+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.