Voyage estimate
Aframax voyage: Es Sider to Trieste
A Aframax carrying 80,000 tonnes from Es Sider to Trieste sails about 1,030 nm laden on the open-sea route, about 3.4 days at 12.5 knots. With the ballast leg back and 4 days in port, the round voyage takes about 10.7 days and burns about 282 tonnes of fuel.
Round voyage
10.7 d
3.4 d laden
Laden distance
1,030 nm
Shortest route
Fuel (VLSFO)
282 t
Round voyage
CO2
890 t
445 t in EU ETS
Round voyage breakdown
| Leg | Distance | Speed | Days | Fuel |
|---|---|---|---|---|
Laden Es Sider → Trieste | 1,030 nm | 12.5 kn | 3.4 | 113 t |
Ballast Trieste → Es Sider | 1,030 nm | 13 kn | 3.3 | 89 t |
Port time Loading and discharge | — | — | 4.0 | 80 t |
| Round voyage | 2,061 nm | 10.7 | 282 t |
Laden on the open-sea route; ballast on the open-sea route.
Emissions and EU ETS
The round voyage burns about 282 tonnes of VLSFO, emitting about 890 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 445 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 Es Sider to Trieste?
About 3 days 10 hours laden at 12.5 knots over 1,030 nm on the open-sea route. The full round voyage, with the ballast leg back and 4 days in port, takes about 10.7 days.
How much fuel does a Aframax burn on this voyage?
About 282 tonnes of VLSFO for the round voyage (113 t laden, 89 t ballast, 80 t in port), emitting about 890 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 445 tonnes of CO2, which means the same number of EU allowances to surrender.