Navalyze · Passenger · Ship

WESTERDAM

IMO: 9226891
Type: Passenger ship
Port of registry: Rotterdam
Technical efficiency: EIV 46.77 g CO₂/t·nm

2020 at a glance

From the 2020 THETIS-MRV report.

Fuel per mile

312.0 kg/nm

Passenger median 339.3 kg/nm (−8%)

CO₂ per transport work (pax)

533

g CO₂/pax·nm · Passenger median 1,169 (−54%)

Average speed

10.4 kn

Passenger median 11.0 kn (−5%)

Fuel per day at sea

77.9 t/day

Fuel consumed

474 t

CO₂ emitted

1,480 t

Distance sailed

1,521 nm

CO₂ ÷ CO₂ per mile

Time at sea

146 h

6 days, 2% of the year

Within the passenger fleet, 2020

Set against all 100 passenger ships with a full-year 2020 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 312.0 kg/nm · median 339.3 (−8%)

116.9Ranks 47 of 100, lowest first807.9

Average speedThis ship 10.4 kn · median 11.0 (−5%)

5.2Faster than 41% of passenger ships16.8

CO₂ per transport work (pax)This ship 533.24 g CO₂/pax·nm · median 1,168.55 (−54%)

333.98Ranks 25 of 100, lowest first74,156.58

Middle 80% of shipsMiddle 50%Passenger medianThis ship

Where the emissions happen, 2020

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 EU21%
Into the EU75%
At berth in the EU4%

Fuel burned laden

–

Not reported

CO₂ at berth

4.1%

Alongside in EU ports

Methane (CH₄)

–

Mainly from LNG; small for oil

CO₂eq ÷ CO₂

–

Uplift from CH₄ and N₂O, counted in full from 2026

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
2020	not published	474	1,480	1,521	146	10.4	312.0	–	–

Benchmark and verification

Year	ISM company	CO₂ per TW, g CO₂/pax·nm	Passenger median	vs Passenger	Rank	Verifier	Methods
2020	not published	533.24	1,168.55	−54%	25 of 100	DNV	A

Fuel per mile and CO₂ per tonne-mile are the ship's own reported KPIs. Passenger ships are benchmarked on CO₂ per transport work (pax) (TW), in g CO₂/pax·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 passenger 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.