Voyage estimate
VLCC voyage: Sao Sebastiao to Houston
A VLCC carrying 270,000 tonnes from Sao Sebastiao to Houston sails about 5,607 nm laden on the open-sea route, about 18.7 days at 12.5 knots. With the ballast leg back and 4 days in port, the round voyage takes about 40.7 days and burns about 1,977 tonnes of fuel.
Round voyage
40.7 d
18.7 d laden
Laden distance
5,607 nm
Shortest route
Fuel (VLSFO)
1,977 t
Round voyage
CO2
6,228 t
Outside EU ETS
Round voyage breakdown
| Leg | Distance | Speed | Days | Fuel |
|---|---|---|---|---|
Laden Sao Sebastiao → Houston | 5,607 nm | 12.5 kn | 18.7 | 1,028 t |
Ballast Houston → Sao Sebastiao | 5,607 nm | 13 kn | 18.0 | 809 t |
Port time Loading and discharge | — | — | 4.0 | 140 t |
| Round voyage | 11,213 nm | 40.7 | 1,977 t |
Laden on the open-sea route; ballast on the open-sea route.
Emissions and EU ETS
The round voyage burns about 1,977 tonnes of VLSFO, emitting about 6,228 tonnes of CO2. Neither port is in the EU ETS area, so no EU allowances are needed for this voyage.
Assumptions
- Cargo
- 270,000 t
- Laden speed
- 12.5 kn at 55 t/day
- Ballast speed
- 13 kn at 45 t/day
- Port time
- 4 days at 35 t/day
- Laden draft
- 22.5 m
- CO2 factor
- 3.151 t per t fuel
Other ship sizes on this route
Questions
How long does a VLCC take from Sao Sebastiao to Houston?
About 18 days 17 hours laden at 12.5 knots over 5,607 nm on the open-sea route. The full round voyage, with the ballast leg back and 4 days in port, takes about 40.7 days.
How much fuel does a VLCC burn on this voyage?
About 1,977 tonnes of VLSFO for the round voyage (1,028 t laden, 809 t ballast, 140 t in port), emitting about 6,228 tonnes of CO2.