Voyage estimate
Aframax voyage: Houston to Ulsan
A Aframax carrying 80,000 tonnes from Houston to Ulsan sails about 9,879 nm laden via the Panama Canal, about 32.9 days at 12.5 knots. With the ballast leg back and 4 days in port, the round voyage takes about 68.6 days and burns about 2,022 tonnes of fuel.
Round voyage
68.6 d
32.9 d laden
Laden distance
9,879 nm
Shortest route
Fuel (VLSFO)
2,022 t
Round voyage
CO2
6,370 t
Outside EU ETS
Round voyage breakdown
| Leg | Distance | Speed | Days | Fuel |
|---|---|---|---|---|
Laden Houston → Ulsan | 9,879 nm | 12.5 kn | 32.9 | 1,087 t |
Ballast Ulsan → Houston | 9,879 nm | 13 kn | 31.7 | 855 t |
Port time Loading and discharge | — | — | 4.0 | 80 t |
| Round voyage | 19,757 nm | 68.6 | 2,022 t |
Laden via the Panama Canal; ballast via the Panama Canal.
Emissions and EU ETS
The round voyage burns about 2,022 tonnes of VLSFO, emitting about 6,370 tonnes of CO2. Neither port is in the EU ETS area, so no EU allowances are needed for this voyage.
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 Houston to Ulsan?
About 32 days 22 hours laden at 12.5 knots over 9,879 nm via the Panama Canal. The full round voyage, with the ballast leg back and 4 days in port, takes about 68.6 days.
How much fuel does a Aframax burn on this voyage?
About 2,022 tonnes of VLSFO for the round voyage (1,087 t laden, 855 t ballast, 80 t in port), emitting about 6,370 tonnes of CO2.