Navalyze · Bulk carrier · Ship

SEA GUARDIAN

IMO: 9427902
Type: Bulk carrier
Average cargo carried: 39,281 t
Port of registry: Singapore
Technical efficiency: EEXI 4.15 g CO₂/t·nm
Former names: MANDARIN SKY

Report year

2023 at a glance

From the 2023 THETIS-MRV report. Carries about 39,281 t of cargo on average.

Fuel per mile

89.8 kg/nm

Bulk carrier median 86.1 kg/nm (+4%)

CO₂ per transport work (cargo)

7.12

g CO₂/t·nm · Bulk carrier median 8.27 (−14%)

Average speed

10.8 kn

Bulk carrier median 10.8 kn (+0%)

Fuel per day at sea

23.3 t/day

Fuel consumed

466 t

CO₂ emitted

1,451 t

Distance sailed

5,187 nm

CO₂ ÷ CO₂ per mile

Time at sea

479 h

20 days, 5% of the year

Within the bulk carrier fleet, 2023

Set against all 3,548 bulk carrier ships with a full-year 2023 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 89.8 kg/nm · median 86.1 (+4%)

63.6Ranks 2,044 of 3,548, lowest first124.7

Average speedThis ship 10.8 kn · median 10.8 (+0%)

8.8Faster than 51% of bulk carrier ships12.0

CO₂ per transport work (cargo)This ship 7.12 g CO₂/t·nm · median 8.27 (−14%)

4.85Ranks 1,252 of 3,548, lowest first17.36

Middle 80% of shipsMiddle 50%Bulk 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 ports0%
From the EU93%
Into the EU6%
At berth in the EU1%

Fuel burned laden

–

Not reported

CO₂ at berth

1.3%

Alongside in EU ports

Methane (CH₄)

–

Mainly from LNG; small for oil

CO₂eq ÷ CO₂

–

Uplift from CH₄ and N₂O, counted in full from 2026

Over the years

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

Fuel per mile, kg/nm

SEA GUARDIAN
Bulk carrier median

80.090.0100.0110.0120.0130.0

’182018’192019’202020’212021’222022’232023

Average speed, kn

SEA GUARDIAN
Bulk carrier median

8.010.012.014.0

’182018’192019’202020’212021’222022’232023

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

SEA GUARDIAN
Bulk carrier median

6.08.010.012.014.0

’182018’192019’202020’222022’232023

Year on year

Year	Speed	Fuel per mile	Fuel per day	Distance	CO₂ per TW	Reading
2022→2023	−0.6 kn	−21%	−25%	+144%	−0%	0.6 kn slower, fuel per mile down 21%; better than speed alone explains (hull, engine or trade).
2021→2022	–	–	–	–	–
2020→2021	–	–	–	–	–
2019→2020	−4.9 kn	+46%	−7%	−41%	+110%	4.9 kn slower, fuel per mile up 46%; worse than speed alone explains (fouling, weather, loading or trade).
2018→2019	+1.5 kn	−18%	−8%	+87%	−7%	1.5 kn faster, fuel per mile down 18%; 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
2023	not published	466	1,451	5,187	479	10.8	89.8	7.12	–
2022	not published	242	767	2,128	186	11.4	113.7	7.13	–
2021	not published	0	0	–	0	–	–	–	–
2020	not published	1,080	3,384	8,806	1,035	8.5	122.6	13.84	–
2019	not published	1,266	3,969	15,038	1,124	13.4	84.2	6.58	–
2018	not published	825	2,571	8,021	673	11.9	102.8	7.09	–

Benchmark and verification

Year	ISM company	CO₂ per TW, g CO₂/t·nm	Bulk carrier median	vs Bulk carrier	Rank	Verifier	Methods
2023	not published	7.12	8.27	−14%	1,252 of 3,548	China Classification Society	A
2022	not published	7.13	8.71	−18%	1,218 of 3,968	China Classification Society	A
2021	not published	–	–	–	–	China Classification Society	A
2020	not published	13.84	8.24	+68%	2,775 of 3,150	China Classification Society	A
2019	not published	6.58	8.38	−21%	911 of 3,360	China Classification Society	A
2018	not published	7.09	8.50	−17%	1,076 of 3,384	China Classification Society	A

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