Voyage estimate
Aframax voyage: Arzew to Trieste
A Aframax carrying 80,000 tonnes from Arzew to Trieste sails about 1,458 nm laden on the open-sea route, about 4.9 days at 12.5 knots. With the ballast leg back and 4 days in port, the round voyage takes about 13.5 days and burns about 367 tonnes of fuel.
Round voyage
13.5 d
4.9 d laden
Laden distance
1,458 nm
Shortest route
Fuel (VLSFO)
367 t
Round voyage
CO2
1,155 t
578 t in EU ETS
Round voyage breakdown
| Leg | Distance | Speed | Days | Fuel |
|---|---|---|---|---|
Laden Arzew → Trieste | 1,458 nm | 12.5 kn | 4.9 | 160 t |
Ballast Trieste → Arzew | 1,458 nm | 13 kn | 4.7 | 126 t |
Port time Loading and discharge | — | — | 4.0 | 80 t |
| Round voyage | 2,917 nm | 13.5 | 367 t |
Laden on the open-sea route; ballast on the open-sea route.
Emissions and EU ETS
The round voyage burns about 367 tonnes of VLSFO, emitting about 1,155 tonnes of CO2. One end of the voyage is in the EU ETS area, so half of the emissions at sea count, plus emissions at the EU berth: about 578 tonnes of CO2, or the same number of EU allowances.
From 2026 shipping companies surrender allowances for 100% of in-scope emissions. Who pays is for the charter party to say.
Assumptions
- Cargo
- 80,000 t
- Laden speed
- 12.5 kn at 33 t/day
- Ballast speed
- 13 kn at 27 t/day
- Port time
- 4 days at 20 t/day
- Laden draft
- 14.5 m
- CO2 factor
- 3.151 t per t fuel
Other ship sizes on this route
Questions
How long does a Aframax take from Arzew to Trieste?
About 4 days 21 hours laden at 12.5 knots over 1,458 nm on the open-sea route. The full round voyage, with the ballast leg back and 4 days in port, takes about 13.5 days.
How much fuel does a Aframax burn on this voyage?
About 367 tonnes of VLSFO for the round voyage (160 t laden, 126 t ballast, 80 t in port), emitting about 1,155 tonnes of CO2.
Is this voyage in the EU Emissions Trading System?
Yes. One end is in the EU ETS area, so half the sea emissions count, plus emissions at the EU berth: about 578 tonnes of CO2, which means the same number of EU allowances to surrender.