Voyage estimate
Aframax voyage: Mongstad to Ningbo
A Aframax carrying 80,000 tonnes from Mongstad to Ningbo sails about 10,965 nm laden via the Dover Strait, Strait of Gibraltar, Suez Canal, Bab-el-Mandeb and Malacca Strait, about 36.6 days at 12.5 knots. With the ballast leg back and 4 days in port, the round voyage takes about 75.7 days and burns about 2,235 tonnes of fuel.
Round voyage
75.7 d
36.6 d laden
Laden distance
10,965 nm
Shortest route
Fuel (VLSFO)
2,235 t
Round voyage
CO2
7,043 t
3,521 t in EU ETS
Round voyage breakdown
| Leg | Distance | Speed | Days | Fuel |
|---|---|---|---|---|
Laden Mongstad → Ningbo | 10,965 nm | 12.5 kn | 36.6 | 1,206 t |
Ballast Ningbo → Mongstad | 10,965 nm | 13 kn | 35.1 | 949 t |
Port time Loading and discharge | — | — | 4.0 | 80 t |
| Round voyage | 21,931 nm | 75.7 | 2,235 t |
Laden via the Dover Strait, Strait of Gibraltar, Suez Canal, Bab-el-Mandeb and Malacca Strait; ballast via the Dover Strait, Strait of Gibraltar, Suez Canal, Bab-el-Mandeb and Malacca Strait.
Emissions and EU ETS
The round voyage burns about 2,235 tonnes of VLSFO, emitting about 7,043 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 3,521 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 Ningbo?
About 36 days 13 hours laden at 12.5 knots over 10,965 nm via the Dover Strait, Strait of Gibraltar, Suez Canal, Bab-el-Mandeb and Malacca Strait. The full round voyage, with the ballast leg back and 4 days in port, takes about 75.7 days.
How much fuel does a Aframax burn on this voyage?
About 2,235 tonnes of VLSFO for the round voyage (1,206 t laden, 949 t ballast, 80 t in port), emitting about 7,043 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 3,521 tonnes of CO2, which means the same number of EU allowances to surrender.