| As a management level engineering officer on a motor vessel equipped with engines capable of burning both high sulfur content residual fuels and low sulfur content distillate fuels, on departure from a US port, when would you plan for the fuel changeover be accomplished? |
| A) When leaving US navigable waters 3 miles from the coastline. |
| B) When leaving the SOx emission control area set by local authorities. |
| C) When leaving US territorial boundaries 12 miles from the coastline. |
| D) When leaving the US economic exclusion zone 200 miles from the coastline. |
