Navalyze · Chemical tanker · Ship

T JUNGFRAU

IMO: 9389289
Type: Chemical tanker
Average cargo carried: 17,249 t
Flag (estimated): Marshall Islands
Port of registry: Majuro
Technical efficiency: EEXI 4.84 g CO₂/t·nm
Ice class: IB
Former names: KASTAV

ISM company (DoC holder) in 2025: Densay Tanker Management DMCC

Report year

2018 at a glance

From the 2018 THETIS-MRV report. Carries about 37,280 t of cargo on average.

Fuel kg/nm

140

Chemical tanker median 90.2 kg/nm (+56%)

CO₂ per transport work (cargo)

11.8

g CO₂/t·nm · Chemical tanker median 17.1 (−31%)

Average speed

10.0 kn

Chemical tanker median 10.1 kn (−1%)

Fuel per day at sea

33.6 t/day

Fuel consumed

2,162 t

CO₂ emitted

6,793 t

Distance sailed

15,402 nm

CO₂ ÷ CO₂ per mile

Time at sea

1,546 h

64 days, 18% of the year

Within the chemical tanker fleet, 2025

Set against all 1,460 chemical 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 kg/nmThis ship 91.8 kg/nm · median 79.7 (+15%)

52.8Ranks 1,029 of 1,460, lowest first111

Average speedThis ship 12.8 kn · median 11.1 (+15%)

8.8Faster than 96% of chemical tanker ships12.4

CO₂ per transport work (cargo)This ship 16.7 g CO₂/t·nm · median 15.0 (+11%)

7.93Ranks 809 of 1,460, lowest first40.2

Middle 80% of shipsMiddle 50%Chemical tanker medianThis ship

Where the emissions happen, 2018

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 ports14%
From the EU27%
Into the EU52%
At berth in the EU7%

Fuel burned laden

–

Not reported

CO₂ at berth

452 t

6.7% 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 Chemical tanker median is the middle ship of all chemical tanker ships reporting that year; it moves with the fleet, so a ship can gain on it without changing itself.

Fuel kg/nm

T JUNGFRAU
Chemical tanker median

60.080.0100.0120.0140.0160.0

’182018’192019’242024’252025

Average speed, kn

T JUNGFRAU
Chemical tanker median

10.011.012.013.0

’182018’192019’242024’252025

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

T JUNGFRAU
Chemical tanker median

10.012.014.016.018.0

’182018’192019’242024’252025

Year on year

Year	Average speed	Fuel kg/nm	Fuel per day at sea	Distance	CO₂ per transport work	Reading
2024→2025	+0.8 kn	−7%	−0%	−18%	+22%	0.8 kn faster, fuel per mile down 7%; better than speed alone explains (hull, engine or trade).
2019→2024	+1.9 kn	−23%	−8%	+129%	+25%	1.9 kn faster, fuel per mile down 23%; better than speed alone explains (hull, engine or trade).
2018→2019	+0.1 kn	−9%	−8%	−57%	−7%	Same speed, fuel per mile down 9%; 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	Hours at seah	Average speedknots at sea	Fuel kg/nmthis ship	CO₂ per transport work (cargo)g/t·nm, this ship	Laden fuel
2025	Densay Tanker Management DMCC	1,139	3,567	12,405	966	12.8	91.8	16.7	79%
2024	Densay Tanker Management DMCC	1,488	4,675	15,092	1,256	12.0	98.6	13.6	74%
2019	not published	840	2,654	6,593	654	10.1	127	11.0	–
2018	not published	2,162	6,793	15,402	1,546	10.0	140	11.8	–

Benchmark and verification

Year	ISM company	CO₂ per TW, g CO₂/t·nm	Chemical tanker median	vs Chemical tanker	Rank	Verifier	Methods
2025	Densay Tanker Management DMCC	16.7	15.0	+11%	809 of 1,460	ABS	A
2024	Densay Tanker Management DMCC	13.6	16.7	−18%	493 of 1,274	ABS	A
2019	not published	11.0	17.3	−37%	243 of 1,321	ClassNK	C
2018	not published	11.8	17.1	−31%	318 of 1,294	Verifavia	A

Fuel per mile and CO₂ per tonne-mile are the ship's own reported KPIs. Chemical 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 chemical 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.