Guests on the current voyage will receive a refund equivalent to three days of the voyage and 50 percent off a future cruise.

CNN: STORY HIGHLIGHTS

On the current voyage the Adonia had to spend an extra day in Barbados to await delayed supplies and it missed one scheduled call in Brazil because of a local police strike which might have made it risky for passengers to go ashore.

CNN: Argentina cruise ships caught in diplomatic storm

He, too, however, has a long to-do list before the motor embarks on a maiden voyage: His current motor has a tether attached for power.

FORBES: Breakthroughs