Voyage estimate
Aframax voyage: Esmeraldas to Trieste
A Aframax carrying 80,000 tonnes from Esmeraldas to Trieste sails about 6,559 nm laden via the Panama Canal and Strait of Gibraltar, about 21.9 days at 12.5 knots. With the ballast leg back and 4 days in port, the round voyage takes about 46.9 days and burns about 1,369 tonnes of fuel.
Round voyage
46.9 d
21.9 d laden
Laden distance
6,559 nm
Shortest route
Fuel (VLSFO)
1,369 t
Round voyage
CO2
4,314 t
2,157 t in EU ETS
Round voyage breakdown
| Leg | Distance | Speed | Days | Fuel |
|---|---|---|---|---|
Laden Esmeraldas → Trieste | 6,559 nm | 12.5 kn | 21.9 | 721 t |
Ballast Trieste → Esmeraldas | 6,559 nm | 13 kn | 21.0 | 568 t |
Port time Loading and discharge | — | — | 4.0 | 80 t |
| Round voyage | 13,118 nm | 46.9 | 1,369 t |
Laden via the Panama Canal and Strait of Gibraltar; ballast via the Panama Canal and Strait of Gibraltar.
Emissions and EU ETS
The round voyage burns about 1,369 tonnes of VLSFO, emitting about 4,314 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 2,157 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 Esmeraldas to Trieste?
About 21 days 21 hours laden at 12.5 knots over 6,559 nm via the Panama Canal and Strait of Gibraltar. The full round voyage, with the ballast leg back and 4 days in port, takes about 46.9 days.
How much fuel does a Aframax burn on this voyage?
About 1,369 tonnes of VLSFO for the round voyage (721 t laden, 568 t ballast, 80 t in port), emitting about 4,314 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 2,157 tonnes of CO2, which means the same number of EU allowances to surrender.