Voyage estimate
VLCC voyage: Bonny to Durban
A VLCC carrying 270,000 tonnes from Bonny to Durban sails about 3,221 nm laden on the open-sea route, about 10.7 days at 12.5 knots. With the ballast leg back and 4 days in port, the round voyage takes about 25.1 days and burns about 1,195 tonnes of fuel.
Round voyage
25.1 d
10.7 d laden
Laden distance
3,221 nm
Shortest route
Fuel (VLSFO)
1,195 t
Round voyage
CO2
3,766 t
Outside EU ETS
Round voyage breakdown
| Leg | Distance | Speed | Days | Fuel |
|---|---|---|---|---|
Laden Bonny → Durban | 3,221 nm | 12.5 kn | 10.7 | 590 t |
Ballast Durban → Bonny | 3,221 nm | 13 kn | 10.3 | 465 t |
Port time Loading and discharge | — | — | 4.0 | 140 t |
| Round voyage | 6,442 nm | 25.1 | 1,195 t |
Laden on the open-sea route; ballast on the open-sea route.
Emissions and EU ETS
The round voyage burns about 1,195 tonnes of VLSFO, emitting about 3,766 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 Bonny to Durban?
About 10 days 18 hours laden at 12.5 knots over 3,221 nm on the open-sea route. The full round voyage, with the ballast leg back and 4 days in port, takes about 25.1 days.
How much fuel does a VLCC burn on this voyage?
About 1,195 tonnes of VLSFO for the round voyage (590 t laden, 465 t ballast, 140 t in port), emitting about 3,766 tonnes of CO2.