Voyage estimate
Aframax voyage: Ust-Luga to Constanta
A Aframax carrying 80,000 tonnes from Ust-Luga to Constanta sails about 4,584 nm laden via the Dover Strait, Strait of Gibraltar and Bosphorus, about 15.3 days at 12.5 knots. With the ballast leg back and 4 days in port, the round voyage takes about 34.0 days and burns about 981 tonnes of fuel.
Round voyage
34.0 d
15.3 d laden
Laden distance
4,584 nm
Shortest route
Fuel (VLSFO)
981 t
Round voyage
CO2
3,091 t
1,545 t in EU ETS
Round voyage breakdown
| Leg | Distance | Speed | Days | Fuel |
|---|---|---|---|---|
Laden Ust-Luga → Constanta | 4,584 nm | 12.5 kn | 15.3 | 504 t |
Ballast Constanta → Ust-Luga | 4,584 nm | 13 kn | 14.7 | 397 t |
Port time Loading and discharge | — | — | 4.0 | 80 t |
| Round voyage | 9,168 nm | 34.0 | 981 t |
Laden via the Dover Strait, Strait of Gibraltar and Bosphorus; ballast via the Dover Strait, Strait of Gibraltar and Bosphorus.
Emissions and EU ETS
The round voyage burns about 981 tonnes of VLSFO, emitting about 3,091 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 1,545 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 Ust-Luga to Constanta?
About 15 days 7 hours laden at 12.5 knots over 4,584 nm via the Dover Strait, Strait of Gibraltar and Bosphorus. The full round voyage, with the ballast leg back and 4 days in port, takes about 34.0 days.
How much fuel does a Aframax burn on this voyage?
About 981 tonnes of VLSFO for the round voyage (504 t laden, 397 t ballast, 80 t in port), emitting about 3,091 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 1,545 tonnes of CO2, which means the same number of EU allowances to surrender.