Navalyze · Chemical tanker · Ship

SONGA RUBY

IMO: 9444479
Type: Chemical tanker
Average cargo carried: 9,444 t
Port of registry: Valletta
Technical efficiency: EIV 12.35 g CO₂/t·nm

ISM company (DoC holder) in 2025: Songa Shipmanagement Ltd

Report year

2025 at a glance

From the 2025 THETIS-MRV report. Carries about 9,444 t of cargo on average.

Fuel per mile

98.7 kg/nm

Chemical tanker median 79.7 kg/nm (+24%)

CO₂ per transport work (cargo)

32.78

g CO₂/t·nm · Chemical tanker median 15.04 (+118%)

Average speed

10.2 kn

Chemical tanker median 11.1 kn (−8%)

Fuel per day at sea

24.2 t/day

Fuel consumed

3,375 t

CO₂ emitted

10,582 t

10,748 t CO₂eq incl. CH₄ and N₂O

Distance sailed

34,182 nm

CO₂ ÷ CO₂ per mile

Time at sea

3,345 h

139 days, 38% 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 per mileThis ship 98.7 kg/nm · median 79.7 (+24%)

52.8Ranks 1,158 of 1,460, lowest first111.0

Average speedThis ship 10.2 kn · median 11.1 (−8%)

8.8Faster than 28% of chemical tanker ships12.4

CO₂ per transport work (cargo)This ship 32.78 g CO₂/t·nm · median 15.04 (+118%)

7.93Ranks 1,213 of 1,460, lowest first40.17

Middle 80% of shipsMiddle 50%Chemical 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 ports66%
From the EU4%
Into the EU10%
At berth in the EU20%

93% of this ship's CO₂ falls under the EU ETS (9,825 t).

Fuel burned laden

–

Not reported

CO₂ at berth

19.7%

Alongside in EU ports

Methane (CH₄)

0.2 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 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 per mile, kg/nm

SONGA RUBY
Chemical tanker median

70.080.090.0100.0110.0120.0

’182018’192019’202020’212021’222022’232023’242024’252025

Average speed, kn

SONGA RUBY
Chemical tanker median

4.06.08.010.012.0

’182018’192019’202020’212021’222022’232023’242024’252025

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

SONGA RUBY
Chemical tanker median

0.020.040.060.080.0

’182018’192019’202020’212021’222022’232023’242024’252025

Year on year

Year	Speed	Fuel per mile	Fuel per day	Distance	CO₂ per TW	Reading
2024→2025	+0.8 kn	+2%	+11%	−1%	−18%	0.8 kn faster, fuel per mile flat; better than speed alone explains (hull, engine or trade).
2023→2024	+1.5 kn	−16%	+0%	+15%	−23%	1.5 kn faster, fuel per mile down 16%; better than speed alone explains (hull, engine or trade).
2022→2023	+0.8 kn	+12%	+25%	+8%	+40%	0.8 kn faster, fuel per mile up 12%; better than speed alone explains (hull, engine or trade).
2021→2022	−0.4 kn	−5%	−10%	+12%	−23%	0.4 kn slower, fuel per mile down 5%; worse than speed alone explains (fouling, weather, loading or trade).
2020→2021	−3.7 kn	+3%	−32%	−20%	+10%	3.7 kn slower, fuel per mile up 3%; worse than speed alone explains (fouling, weather, loading or trade).
2019→2020	+5.8 kn	+12%	+131%	−27%	−39%	5.8 kn faster, fuel per mile up 12%; better than speed alone explains (hull, engine or trade).
2018→2019	+1.4 kn	−16%	+14%	+59%	+34%	1.4 kn faster, fuel per mile down 16%; 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	Songa Shipmanagement Ltd	3,375	10,582	34,182	3,345	10.2	98.7	32.78	–
2024	Songa Shipmanagement Ltd	3,345	10,483	34,521	3,690	9.4	96.9	40.04	–
2023	not published	3,454	10,858	29,951	3,812	7.9	115.3	52.30	–
2022	not published	2,846	8,938	27,714	3,924	7.1	102.7	37.27	–
2021	not published	2,676	8,393	24,736	3,314	7.5	108.2	48.63	–
2020	not published	3,262	10,209	30,903	2,759	11.2	105.5	44.30	–
2019	not published	4,007	25,064	42,542	7,818	5.4	94.2	72.67	–
2018	not published	2,990	9,543	26,725	6,667	4.0	111.9	54.04	–

Benchmark and verification

Year	ISM company	CO₂ per TW, g CO₂/t·nm	Chemical tanker median	vs Chemical tanker	Rank	Verifier	Methods
2025	Songa Shipmanagement Ltd	32.78	15.04	+118%	1,213 of 1,460	Korean Register	B
2024	Songa Shipmanagement Ltd	40.04	16.73	+139%	1,120 of 1,274	Korean Register	B
2023	not published	52.30	16.23	+222%	1,242 of 1,314	Korean Register	B
2022	not published	37.27	16.06	+132%	1,229 of 1,409	Korean Register	A
2021	not published	48.63	16.69	+191%	1,262 of 1,343	Korean Register	B
2020	not published	44.30	16.16	+174%	1,214 of 1,312	Korean Register	B
2019	not published	72.67	17.32	+320%	1,299 of 1,321	Korean Register	B
2018	not published	54.04	17.14	+215%	1,219 of 1,294	Korean Register	B

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.