Voyage estimate
Aframax voyage: Mongstad to Rotterdam
A Aframax carrying 80,000 tonnes from Mongstad to Rotterdam sails about 543 nm laden on the open-sea route, about 1.8 days at 12.5 knots. With the ballast leg back and 4 days in port, the round voyage takes about 7.5 days and burns about 187 tonnes of fuel.
Round voyage
7.5 d
1.8 d laden
Laden distance
543 nm
Shortest route
Fuel (VLSFO)
187 t
Round voyage
CO2
588 t
588 t in EU ETS
Round voyage breakdown
| Leg | Distance | Speed | Days | Fuel |
|---|---|---|---|---|
Laden Mongstad → Rotterdam | 543 nm | 12.5 kn | 1.8 | 60 t |
Ballast Rotterdam → Mongstad | 543 nm | 13 kn | 1.7 | 47 t |
Port time Loading and discharge | — | — | 4.0 | 80 t |
| Round voyage | 1,086 nm | 7.5 | 187 t |
Laden on the open-sea route; ballast on the open-sea route.
Emissions and EU ETS
The round voyage burns about 187 tonnes of VLSFO, emitting about 588 tonnes of CO2. Both ports are in the EU ETS area, so all emissions count: about 588 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 Mongstad to Rotterdam?
About 1 day 19 hours laden at 12.5 knots over 543 nm on the open-sea route. The full round voyage, with the ballast leg back and 4 days in port, takes about 7.5 days.
How much fuel does a Aframax burn on this voyage?
About 187 tonnes of VLSFO for the round voyage (60 t laden, 47 t ballast, 80 t in port), emitting about 588 tonnes of CO2.
Is this voyage in the EU Emissions Trading System?
Yes. Both ports are in the EU ETS area, so all emissions count: about 588 tonnes of CO2, which means the same number of EU allowances to surrender.