Voyage estimate
VLCC voyage: Zirku Island to Ulsan
A VLCC carrying 270,000 tonnes from Zirku Island to Ulsan sails about 6,148 nm laden via the Strait of Hormuz and Malacca Strait, about 20.5 days at 12.5 knots. With the ballast leg back and 4 days in port, the round voyage takes about 44.2 days and burns about 2,154 tonnes of fuel.
Round voyage
44.2 d
20.5 d laden
Laden distance
6,148 nm
Shortest route
Fuel (VLSFO)
2,154 t
Round voyage
CO2
6,787 t
Outside EU ETS
Round voyage breakdown
| Leg | Distance | Speed | Days | Fuel |
|---|---|---|---|---|
Laden Zirku Island → Ulsan | 6,148 nm | 12.5 kn | 20.5 | 1,127 t |
Ballast Ulsan → Zirku Island | 6,148 nm | 13 kn | 19.7 | 887 t |
Port time Loading and discharge | — | — | 4.0 | 140 t |
| Round voyage | 12,296 nm | 44.2 | 2,154 t |
Laden via the Strait of Hormuz and Malacca Strait; ballast via the Strait of Hormuz and Malacca Strait.
Emissions and EU ETS
The round voyage burns about 2,154 tonnes of VLSFO, emitting about 6,787 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 Zirku Island to Ulsan?
About 20 days 12 hours laden at 12.5 knots over 6,148 nm via the Strait of Hormuz and Malacca Strait. The full round voyage, with the ballast leg back and 4 days in port, takes about 44.2 days.
How much fuel does a VLCC burn on this voyage?
About 2,154 tonnes of VLSFO for the round voyage (1,127 t laden, 887 t ballast, 140 t in port), emitting about 6,787 tonnes of CO2.